The invention relates to a method for controlling the withdrawal of gas from a sorption reservoir (25). The temperature in the sorption reservoir (25) having a decreasing amount of gas therein (25) is increased until a maximum acceptable temperature is reached such that a predetermined minimum pressure (15) in the sorption reservoir (25) is not fallen below. The invention also relates to a device for storing at least one gas, comprising a sorption reservoir (25) that has at least one attachement (31, 35) via which the sorption reservoir (25) can be filled with gas or via which gas can be withdrawn from said sorption reservoir (25). The invention also relates to a device (1) comprising at least one heating element (39) which can warm said sorption reservoir (25), also a control system (41) that can increase the temperature in said sorption reservoir (25) when withdrawing the gas in such a manner that a predetermined minimum temperature in the sorption reservoir (25) is not fallen below in order to attain a maximum acceptable pressure.
The invention relates to a method for storing gaseous hydrocarbons in a sorption reservoir (5). The temperature of the stored hydrocarbons when the sorption reservoir (5) is full is lower than room temperature and higher than the evaporation temperature of the hydrocarbon. The invention also relates to a device for storing gaseous hydrocarbons, comprising a sorption reservoir (5) that is isolated in relation to the surroundings. The sorption reservoir (5) contains zeolith, activated carbons or metal-organic framework compounds.
Liquid filters having a filter housing are already known, which filters have a cylinder section and two end bases, wherein at an inside of at least one base, radially proceeding ribs of constant height are arranged. The requirements of pressure resistance of engine fuel filters have greatly increased as a result of higher system pressures and owing to the fact that, even with the engine shut off, the engine fuel filters in current engine fuel transport systems are under high pressure which can even exceed the system pressure in the shut-down case owing to the remaining heat of the engine. In the liquid filter according to the invention, the pressure strength of the filter housing is substantially increased. It is provided according to the invention that the height (H2) of the ribs (8), measured in one axial direction in relation to a cylinder axis (3), increases radially towards the interior.
A composite article (10) for protecting a substrate comprises a first elastomeric layer (16) that is a show surface of the composite article (10). The first elastomeric layer (16) comprises the reaction product of first isocyanate and first isocyanate-reactive components. At least one of the first components is aliphatic. The composite article (10) further comprises a second elastomeric polyurea/urethane hybrid layer (18) adhered to the first elastomeric layer (16). The second elastomeric polyurea/urethane hybrid layer (18) comprises the reaction product of second isocyanate and second isocyanate-reactive components. At least one of the second components is aromatic. Each of the elastomeric layers (16,18) has a glass transition temperature less than 0-C. The composite article (10) can further include a substrate layer adhered to the second elastomeric polyurea/urethane hybrid layer (18) opposite the first elastomeric layer (16). The composite article (10) may be a bedliner for a vehicle, such as for a truck.
The invention relates to a method for evaluating mechanical tests of a coating on a substrate, wherein a mechanical stress is embossed on the coating in a first step (S1), the substrate with the coating is clamped in isothermically in a second step (S2), and an infrared picture of the region where the mechanical stress is embossed in the first step (S1) is taken. In a fourth step (S4), the infrared picture is evaluated. The invention further relates to a device for executing said method.
The invention relates to a method for the detection of not fully hardened coatings (5) and of liquid or smearing impurities on a surface. In a first step, a foil (3) is pressed on the surface of a coating (5) with a preset contact pressure, wherein the foil (3) is moved in relation to the surface of the coating (5). The foil (3) is then peeled off the surface of the coating (5). It is then determined, whether impurities are attached to the foil (3). The invention further relates to a device for carrying out the method, comprising at least one foil (3) that can be pressed against a surface to be tested, at least one pressure roll (9) with a surface (11) pressing the foil (3) against the coating (5) and at least one device, with which it can be determined, whether impurities are attached to the foil (3).
The present invention relates to a process for preparing granules of a hydrophilic vitamin comprising at least one binder in powder form composed of a copolymer of vinyl pyrrolidone and vinyl acetate by compacting the mixture of the hydrophilic vitamin and the binder to form pieces and comminuting the pieces to form granules of the hydrophilic vitamin and the binder. The invention further relates to the granules of a hydrophilic vitamin obtained by said process and to tablets made with said granules of a hydrophilic vitamin.
The invention relates to a method for producing mixtures containing adiponitrile, characterised by the following method steps: a) reaction of 3-pentenenitrile with hydrogen cyanide in the presence of a hydrocyanation catalyst, a promoter and a solvent, to give a hydrocyanation product, containing 3-pentenenitrile, adiponitrile, methylglutaronitrile, ethylsuccinonitrile, the solvent, the hydrocyanation catalyst, the promoter and possible decomposition products from the catalyst, b) distillation of the hydrocyanation product from step a) to give a stream (1) as top product, containing 3-pentenenitrile and a stream (2) as bottom product, containing adiponitrile, methylglutaronitrile, ethylsuccinonitrile, the majority of the solvent, the hydrocyanation catalyst, and the promoter, c) extraction of the stream (2) with an extracting agent to give a stream (3), containing the majority of the solvent, the hydrocyanation catalyst and the extraction agent and a stream (4), containing the majority of the adiponitrile, methylglutaronitrile, ethylsuccinonitrile and promoter.
C07C 253/10 - Preparation of carboxylic acid nitriles by addition of hydrogen cyanide or salts thereof to unsaturated compounds to compounds containing carbon-to-carbon double bonds
C07C 255/04 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms of an acyclic and saturated carbon skeleton containing two cyano groups bound to the carbon skeleton
The invention relates to a method for producing a cyclic ketone that has 7 to 16 C atoms. Said method encompasses at least the following stages: (a) a composition (i) at least containing a cyclic alkene with 7 to 16 C atoms, including at least one C-C double bond, is oxidized by means of dinitrogen monoxide so as to obtain a composition (A); (b) composition (A) is treated with at least one base so as to obtain a composition (B); (c) composition (B) is hydrogenated in the presence of at least one catalyst so as to obtain a composition (C); (d) composition (C) is purified in at least the following steps: (di) composition (C) is thermally treated with at least one acid or at least one catalyst containing at least one transition metal; (dii) composition (C) is further purified by means of a process selected from the group comprising distillation, extraction, and crystallization.
C07C 45/28 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of —CHx-moieties
C07C 45/62 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of C=O groups by hydrogenation of carbon-to-carbon double or triple bonds
C07C 45/85 - Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
C07C 49/413 - Saturated compounds containing a keto group being part of a ring of a seven- to twelve-membered ring
C07C 49/607 - Unsaturated compounds containing a keto group being part of a ring of a seven- to twelve-membered ring
10.
METHOD FOR PRODUCING POLYALCOHOLS WITH LOW METHANOL CONTENT FORMALDEHYDE
The invention relates to a method for producing of polyhydroxymethyl compounds of formula (I) (HOCH-2)2CR2, in which R, in each case independently of one another, represents a further hydroxymethyl group or an alkyl group with 1 to 22 carbon atoms or an aryl or aralkyl group with 6 to 22 carbon atoms, by (a) the condensation of aldehydes with 2 to 24 carbon atoms in an aldol reaction with formaldehyde with the use of tertiary amines as a catalyst to alkanals of formula (II), in which R, in each case independently of one another, has the meaning given above, (b) the subsequent separation by distillation of the reaction mixture obtained into a bottom fraction, containing predominantly the compounds of formula II, and a low-boiling fraction, containing the unreacted or partially reacted starting materials and (c) hydrogenating the bottom fraction of the distillation, characterized in that the aldol reaction is carried out with an aqueous formaldehyde solution with a methanol content of 0.35 to 0.5% by weight and that the low-boiling fraction is separated at a pressure of 1 to 3 bar and a temperature of 100° to 135°C and returned partly or completely to the aldol reaction. Advantageously, the formation of by-products can be prevented selectively by this method and the yield of the desired polyhydroxymethyl compounds increased by these means.
C07C 29/141 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
The present invention relates to new borane complexes with substituted tetrahydrofuran ethers and a method of using new borane complexes with substituted tetrahydrofuran ethers for organic reactions.
C07C 29/143 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of ketones
C07C 29/147 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of carboxylic acids or derivatives thereof
C07C 209/44 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
C07C 209/50 - Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of carboxylic acid amides
C07D 307/06 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
The invention relates to a method for producing a cyclic ketone that has 7 to 16 C atoms. Said method encompasses at least the following stages: (a) a composition (I) at least containing a cyclic olefin with 7 to 16 C atoms, including at least one C-C double bond, is oxidized by means of dinitrogen monoxide so as to obtain a composition (A); (b) composition (A) is treated with at least one base so as to obtain a composition (B).
C07C 45/28 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation of —CHx-moieties
C07C 49/413 - Saturated compounds containing a keto group being part of a ring of a seven- to twelve-membered ring
C07C 49/607 - Unsaturated compounds containing a keto group being part of a ring of a seven- to twelve-membered ring
13.
METHOD FOR PRODUCING VICINAL DIOXO COMPOUNDS BY OXIDATION OF VICINAL DIHYDROXY COMPOUNDS ON A STRUCTURED CATALYST PACKING
The invention relates to a method for producing a vicinal dioxo compound by heterogeneously catalyzed gas phase oxidation of a vicinal dihydroxy compound in the presence of an oxygen-containing gas on metallic copper catalyst particle packings that are arranged in the tubes of a multi-tubular reactor. The invention is characterized in that the catalyst packings comprise two or more zones each, the catalytically active surface per volume unit of the catalyst packings decreasing from the first to the last zone in the direction of flow.
C07C 45/38 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of C—O— functional groups to C=O groups being a primary hydroxy group
The invention relates to a method and a device for controlling gas purity when a gas reservoir (41), containing a sorption material (82), is filled. A heatable filter (46), whose filter material can be regenerated or replaced, is connected upstream of the gas reservoir (41). A first shut-off valve (44) is connected upstream of the filter (46) and a second shut-off valve (54) is connected upstream of the gas reservoir (41). Higher molecular hydrocarbons CxHy that have been retained by the filter (46) are fed to a consumer, bypassing the gas reservoir (41), and are introduced into a consumer line (80).
The invention relates to a fuel reservoir (10) for gaseous fuel (22) in a vehicle, in particular a sorption reservoir. The fuel reservoir (10) is delimited by at least one wall (12, 36) and comprises a sorption material (30) that is contained in its interior. The fuel reservoir (10) comprises a tank inlet valve (14) containing a shut-off valve (16) and a restrictor valve (18). The restriction of the gaseous fuel (22) takes place inside the fuel reservoir (10).
The invention relates to a device and a method for purifying a gas reservoir (10), in particular a sorption reservoir containing a sorption material (18). The gas reservoir is emptied into an exhaust line (58) via a tank inlet valve (26) or into an intermediate gas reservoir (20) via a purge valve (38). The sorption material (8) is heated by means of a heating unit (20). A negative pressure is generated in the gas reservoir (10) for the desorption of impurities in the sorption material (18) using a delivery unit (54).
Method for manufacturing catalysts containing a) 0.001 to 10 % by weight of at least one metal from the group consisting of ruthenium, copper, and gold, b) 0 to 5 % by weight of one or more alkaline earth metals, c) 0 to 5 % by weight of one or more alkali metals, d) 0 to 10 % by weight of one or more rare earth metals, e) 0 to 10 % by weight of one or more additional metals selected from the group consisting of palladium, platinum, osmium, iridium, silver, and rhenium, based in each case on the total weight of the catalyst, on a substrate, in which the substrate is impregnated with one or more metal salt solutions that contain the active metal(s) and optionally promoter metals a) to e), and the impregnated substrate is dried and calcined, characterized in that the impregnated substrate is calcined at 200 to 600 °C in an acid-containing atmosphere in a fixed-bed or fluidized-bed reactor.
The invention relates to specifically designed highly functional, highly branched or hyperbranched polyesters with a low acid number based on di-, tri- or polycarboxylic acids, and diols, triols or polyols. The invention also relates to a method for the production and use of said polyesters.
A method of forming a composite article having a decal occurs in a mold. The mold includes a surface that defines a mold cavity. A decal is introduced to the surface of the mold. A polyurethane elastomer composition is applied into the mold cavity to form an elastomeric layer over the decal. The composite article including the elastomeric layer and the decal may then be demolded from the mold. Alternatively, a paint composition is applied into the mold cavity to form a paint layer over the decal. The polyurethane elastomer composition is applied into the mold cavity to form an elastomeric backing layer over the paint layer. The composite article including the paint layer, the decal, and the elastomeric backing layer may then be demolded from the mold. The composite article may be a seat for an all-terrain vehicle.
B29C 70/68 - Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers
20.
USE OF SUBSTITUTED TRIAZOLOPYRIMIDINES FOR CONTROLLING PHYTOPATHOGENIC HARMFUL FUNGI
Use of substituted triazolopyrimidines of the formula (I), in which the substituents are as defined in the description, for controlling harmful fungi, novel triazolopyrimidines, processes and intermediates for their preparation, and compositions comprising them.
A01N 43/90 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
21.
SUBSTITUTED ALKENES AS INITIATORS FOR CATIONIC POLYMERIZATION
Processes for cationically polymerizing cationically polymerizable ethylenically unsaturated monomers in the presence of one or more Lewis acids, characterized in that polymerization is effected in the presence of one or more substituted alkenes of the formula (I) in which R1 is H or C1-C5-alkyl, R2 is C1-C6-alkyl, X is halogen, OR3 or OCOR3, in which R3 is C1-C6-alkyl.
This invention relates to a non-corrosive cleaning composition for removing post-dry-etch residues on the surface of the substrate and metal during lithography process of semiconductor and thin film transistor-liquid crystal display (TFT-LCD) manufacturing. The composition of the invention comprises 1-30 wt% of at least one water-soluble amine compound selected from the group consisting of hydrazine, hydrazine hydrate and the mixture thereof, 30-90 wt% of at least one water-soluble organic solvent, and 1-20 wt% of water, based on the total weight of the composition. The composition of the invention can effectively remove the post-dry-etch organic/inorganic residues without eroding the metal and substrate surface.
Disclosed is a method for purifying caprolactam made from lysin by treating caprolactam with an acid or an acidic ion exchanger. Also disclosed is the use for producing high-molecular polyamide (polyamide 6).
The invention relates to an antistatic polyurethane which comprises an antistatic additive which comprises an ionic liquid, and to a process for preparing such an antistatic polymer. The invention further relates to an antistatic shoe sole comprising an inventive antistatic polyurethane and to the use of an ionic liquid as an antistatic additive for polyurethane.
The present invention relates to a process for preparing a vicinal dioxo compound by heterogeneously catalyzed gas phase oxidation of a vicinal dihydroxy compound in the presence of an oxygenous gas over a fixed catalyst bed in a tube bundle reactor, the reactor tubes being heated externally by a heat carrier medium circulating in the reactor shell of the tube bundle reactor, characterized in that the tube bundle reactor has two or more independent heating zones with two or more independently circulating heat carrier media, the mean temperature of the heat carrier media in the heating zones decreasing from the inlet side toward the outlet side of the reactor.
B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
B01J 8/06 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the solid particles being arranged in tubes
C07C 45/38 - Preparation of compounds having C=O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by oxidation with molecular oxygen of C—O— functional groups to C=O groups being a primary hydroxy group
Thermoplastic molding materials comprising the components A), B) and optionally C), whose sum adds up to 100% by weight, A) from 10 to 99.9% by weight of at least one thermoplastic polyester A), B) from 0.1 to 50% by weight of at least one maleimide copolymer B) containing units of a vinylaromatic monomer and maleimide units, and C) from 0 to 60% by weight of further additives C).
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
27.
PROCESS FOR REGENERATING A DEHYDROGENATION CATALYST
The present invention relates to a process for regenerating a catalyst for the dehydrogenation of secondary cyclic alcohols, characterized in that the catalyst is brought into contact with a gas stream containing from 0.1 to 5% by volume of oxygen at a temperature in the range from 350°C to 420°C.
The invention relates to a method for producing acetylene by partial oxidation of hydrocarbons with oxygen. The substance flows containing hydrocarbons and/or the oxygen are prewarmed separately and are subsequently mixed. An additive is added to the substance flow containing the hydrocarbon, prior to, during or after prewarming for surpressing pre-ignitions.
C07C 4/02 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by cracking a single hydrocarbon or a mixture of individually defined hydrocarbons or a normally gaseous hydrocarbon fraction
C07C 5/48 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by dehydrogenation with a hydrogen acceptor with oxygen as an acceptor
C07C 2/82 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by condensation of hydrocarbons with partial elimination of hydrogen oxidative coupling
29.
MODIFIED OPEN-CELL FOAMS AND PROCESS FOR THEIR PRODUCTION
The present invention relates to a process for producing modified open-cell foams, characterized in that (a) open-cell foams having a density in the range from 5 to 500 kg/m3 and a mean pore diameter in the range from 1 쎽m to 1 mm (b) are contacted with an aqueous formulation of at least one cationic polymer.
A mixture comprising A. at least one oligomeric compound comprising repeat units of the formula (I) in which the symbols are each defined as follows: R1 is hydrogen, C1- to C6-alkyl, formyl, C2- to C6-alkanoyl, C1- to C12-alkoxy, C5- to C6-cycloalkoxy, cyanomethyl, 2-hydroxyethyl, benzyl or a radical of the formula -CR'=CH-CO-OR' where R' is hydrogen, C1- to C6-alkyl or a radical of the formula -CO-OR', and R' is C1- to C18-alkyl, C5- to C8-cycloalkyl, C7- to C18-aralkyl, phenyl or tolyl; R2 is a mixture of C14- to C28-alkyl groups, where two of these alkyl groups, which must not differ by more than two carbon atoms, each make up at least 30% of this mixture; R3, R4 are each independently C1- to C6-alkyl; and B. at least one compound of the formula (II) or (III) where the symbols and indices are each defined as follows: n, m are each independently a natural number from 2 to 22 and R1, R3, R4 are each independently defined as specified in formula (I); is suitable as stabilizers for organic material.
The invention relates to a continuous method for carrying out an exothermal reaction of a reaction medium containing at least one liquid phase in an adiabatic solid bed reactor, characterized in that one or several thermally conductive pipes are provided in the solid bed reactor which are each formed of a pipe that is encapsulated in a gas and liquid-tight manner, wherein a heat carrier is enclosed in each respective pipe. Said thermally conductive pipes are transporting heat from a heat source to a heat sink in the reaction medium via indirect heat exchange.
B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
F28D 15/02 - Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls in which the medium condenses and evaporates, e.g. heat-pipes
32.
METHOD FOR PRODUCING SUBSTITUTED PHENYLACETYL CARBINOLS
The invention relates to a method for producing substituted phenylacetyl carbinols by means of the biocatalytic reaction of the corresponding substituted aromatic aldehydes in the presence of pyruvate and/or acetaldehyde and a pyruvate decarboxylase. The invention also relates to (R)-1-hydroxy-1-(4-tert.-butoxyphenyl)-2-propanone.
The present invention relates to derivatives of tert-butoxy-norephedrine and/or -ephedrine and also to processes for their preparation. The invention additionally relates to processes for preparing 4-hydroxy-norephedrine, especially 4-hydroxy-(1R,2S)-norephedrine, which proceed via derivatives of tert-butoxy-norephedrine as intermediates.
C07C 213/02 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
C07C 217/70 - Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by singly-bound oxygen atoms with singly-bound oxygen atoms and six-membered aromatic rings bound to the same carbon atom of the carbon chain linked by carbon chains having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring
34.
USE OF ALKOXYLATES OF MONOVALENT AND POLYVALENT ALCOHOLS OR DERIVATIVES THEREOF AS AN ANTIBIOTIC SUBSTITUTE IN THE FEEDING OF ANIMALS
The invention relates to the use of alkoxylates of monovalent and polyvalent alcohols or a derivative thereof as an antibiotic substitute in the rearing and keeping of livestock. The invention promotes increased weight gain and an improvement in the health of the animals.
The invention relates to a method for producing optically active, aromatically substituted amino ethanol of general formula (IIa) or (IIb), by reacting the corresponding chloroethanol of formula (Ia) or (Ib) with ammonia.
C07C 213/02 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton by reactions involving the formation of amino groups from compounds containing hydroxy groups or etherified or esterified hydroxy groups
C07C 215/30 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being unsaturated and containing six-membered aromatic rings containing hydroxy groups and carbon atoms of six-membered aromatic rings bound to the same carbon atom of the carbon skeleton
C12P 7/02 - Preparation of oxygen-containing organic compounds containing a hydroxy group
According to the invention, fluorosulfonic acid is produced by reacting sulfur trioxide with hydrogen fluoride, sulfur trioxide and hydrogen fluoride being introduced into a distillation column, being reacted with each other in the column, and liquid fluorosulfonic acid being recovered at the bottom or in the stripping section of the column.
Disclosed are a method for controlling rusting in leguminous plants by utilizing pyrazolyl carboxylic acid anilides of formula (I), wherein R1 = H, halogen, CH3, or C1-C2 alkyl halide; R2 = H, F, Cl, or CH3; R3 = F, Cl, CH3, C1-C2 alkyl halide, -CH=N-OR5, or -C(CH3)=N-OR5; R4 = H, F, Cl, CH3, or C1-C2 alkyl halide; R5 = H, CH3, or C2H5; mixtures of pyrazolyl carboxylic acid anilides of formula (I) and a fungicidal agent II from the group comprising azoles, acylalanines, amine derivatives, anilinopyrimidines, dicarboximides, dithiocarbamates, heterocylic compounds, phenylpyrroles, cinnamamides, and analogs, or other active substances according to the description. Also disclosed are agents and seeds containing said mixtures.
The invention relates to a method for producing the multimetal oxide of general formula (I): Aga-cQbMcV2Od * e H2O, wherein a, Q, b, M, c, d and e are defined as in the description, by treating a vanadium source with a hydrogen peroxide source in an aqueous solution and combining it with a silver source and optionally leaving Q and/or M to swell. The multimetal oxide can be converted to a silver-vanadium oxide bronze that is used as a catalytically active compound of the partial gas phase oxidation of aromatic hydrocarbons to aldehydes, carboxylic acids and/or carboxylic acid anhydrides.
The invention relates to a method for plastifying soft polyvinyl chloride by extruding polyvinyl chloride dry blends containing a softener composition comprising at least one C8-C10 phthalic acid dialkyl ester softener and additives, by means of an extrusion device. According to said method, a polyvinyl chloride dry blend is used, said blend containing a softener composition comprising bis-(2-propylheptyl)-phthalic acid diester and having higher slip and bulk density than a polyvinyl chloride dry blend of the same polyvinyl chloride type and with the same content and composition of additives and the same content of at least one softener containing C8-C10 phthalic acid dialkyl ester of a composition which does not contain bis-(2-propylheptyl)-phthalic acid diester. The extrusion device is operated in such a way as to obtain a homogeneously plasticised extrudate and to adjust a mass temperature of the plasticised polyvinyl chloride dry blend in the outlet region of the extrusion device, which is between 10 and 20 °C beneath the decomposition temperature of the plasticised polyvinyl chloride dry blend.
Disclosed is a method for treating powder or granulate of a thermoplastic material or a rubber which is semicrystalline or amorphous and can be heated by means of a high-frequency electric field in a screw-type machine. According to said method, the powder or granulate of the thermoplastic material or rubber is preheated to a temperature lying below the crystallite melting point of semicrystalline plastics or rubbers and below the melting range of thermoplastic materials or rubbers before being fed to the screw-type machine, is fused and homogenized in the screw-type machine, and is then pressed through an extrusion nozzle and granulated or processed into molded products. The inventive method is characterized in that the thermoplastic material or rubber is preheated by means of a high-frequency electromagnetic field.
The invention relates to an amorphous, nickel-containing zeolitic catalyst, a method for producing such a catalyst, and a method for oligomerizing olefins, in which such a catalyst is used.
Disclosed is a method for dispersing solid pigment preparations in liquid media. Said method is characterized in that a high-speed mixer is used which operates according to the rotor/stator principle.
C09B 67/00 - Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
B29B 7/38 - Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
43.
MOLDING COMPOSITIONS AND FILMS COMPOSED OF POLYAMIDE COMPRISING CROSSLINKED POLYMER BEADS OBTAINABLE THEREFROM
Thermoplastic molding compositions F comprising the components A and B and optionally C and D, whose sum total is 100% by weight, A) from 80 to 99.999% by weight of a polyamide A, B) from 0.001 to 10% by weight of crosslinked polymer beads B composed of, based on B and where the sum total of b1) to b4) is 100% by weight, b1) from 50 to 99.999% by weight of at least one monomer b1) selected from C1-8-alkyl esters b11) of acrylic acid or of methacrylic acid, and vinylaromatic monomers b12), b2) from 0.001 to % by weight of a crosslinking monomer b2), b3) from 0 to 20% by weight of a monomer b3) which contains groups selected from carboxylic acid groups, acid anhydride groups, sulfonic acid groups, phosphonic acid groups and amino groups, or forms these groups in the preparation or processing of the polymer beads B or in the polyamide processing, b4) from 0 to 20% by weight of another monomer b4), C) from 0 to 20% by weight of other polymers C, and D) from 0 to 10% by weight of other additives D, and films obtainable therefrom and also processes for producing the films.
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
C08L 77/02 - Polyamides derived from omega-amino carboxylic acids or from lactams thereof
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B29C 55/12 - Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
B65D 65/40 - Applications of laminates for particular packaging purposes
Disclosed is a mixture containing (A) at least one aromatic heterocycle of general formula (I), wherein W, X, and Y can independently represent hydrogen, NR1R2, O-R3, P-R24, P-R4R6, SR5, C1-C20 alkylcarbonyl, C1-C20 alkoxycarbonyl, C2-C20 alkenyl, C2-C20 alkenylcarbonyl, C2-C20 alkinyl, C2-C20 alkinylcarbonyl, C3-C15 cycloalkyl, C5-C15 cycloalkylcarbonyl, aryl, arylcarbonyl, a heterocycle, aryl, a halogen atom, or C1-C20 alkyl, several or all hydrogen atoms in the C1-C20 alkyl group being optionally substituted with fluoride atoms or one or several of the hydrogen atoms being optionally replaced by SR5, and R1 and R2 have the meaning indicated below while R3 to R6 can also represent hydrogen, C1-C20 alkyl, C1-C20 alkylcarbonyl, C1-C20 alkoxycarbonyl, C2-C20 alkenyl, C2-C20 alkenylcarbonyl, C2-C20 alkinyl, C2-C20 alkinylcarbonyl, C3-C15 cycloalkyl, C5-C15 cycloalkylcarbonyl, aryl, arylcarbonyl, a heterocycle, or a halogen atom, Z can represent hydrogen, C1-C20 alkyl, C3-C15 cycloalkyl, aryl, or a heterocycle, and R1 and R2 can independently represent hydrogen, NR4R5, O-R3, P-R24, P-R4R6, SR5, C1-C20 alkyl, C1-C20 alkylcarbonyl, C1-C20 alkoxycarbonyl, C2-C20 alkenyl, C2-C20 alkenylcarbonyl, C2-C20 alkinyl, C2-C20 alkinylcarbonyl, C3-C15 cycloalkyl, C5-C15 cycloalkylcarbonyl, aryl, arylcarbonyl, a heterocycle, or a halogen atom while R3 to R6 can also represent hydrogen, C1-C20 alkyl, C1-C20 alkylcarbonyl, C1-C20 alkoxycarbonyl, C2-C20 alkenyl, C2-C20 alkenylcarbonyl, C2-C20 alkinyl, C2-C20 alkinylcarbonyl, C3-C15 cycloalkyl, C5-C15 cycloalkylcarbonyl, aryl, arylcarbonyl, a heterocycle, or a halogen atom, and (B) at least one polymerizable compound.
The present invention relates to the use of zinc salts of &agr;-lipoic acid for treating a series of dyslipidemia, obesity and metabolic syndrome. Preference is given to the use of Zn((R)-&agr;-lipoate)2.
A process is proposed for preparation of a polyoxymethylenehomo- or copolymer end product starting from a polyoxymethylenehomo- or copolymer melt via a) addition and incorporation of additives, b) degradation of unstable chain ends and c) devolatilization for removal of volatile components, and is characterized in that only a substream of at most 10% by weight of the starting polyoxymethylenehomo- or copolymer melt or a corresponding mass flow of the melt of a polyoxymethylenehomo- or copolymer end product which meets specification or which is of lower quality is passed by way of an ancillary extruder in order to carry out step a) of the process giving an additive-modified ancillary stream, and the remainder of the process is carried out without using an extruder.
The invention relates to a solution containing cellulose and an ionic liquid containing anions and cations as a solvent, the cations being provided with at least one atom selected among the group comprising nitrogen, oxygen, sulfur, and phosphorus supplied in a protonated form. Also disclosed are methods for the production and use thereof for a physical and chemical treatment.
A process for preparing tri- and tetraoxymethylene glycol dimethyl ether (POMDMEn=3,4) by reacting formaldehyde with methanol and subsequently working up the reaction mixture by distillation, comprising the steps of: a) feeding aqueous formaldehyde solution and methanol into a reactor and reacting to give a mixture a comprising formaldehyde, water, methylene glycol (MG), polyoxymethylene glycols (MGn>1), methanol, hemiformals (HF), methylal (POMDMEn=1) and polyoxymethylene glycol dimethyl ethers (POMDMEn>1); b) feeding the reaction mixture a into a first distillation column and separating into a low boiler fraction b1 and a high boiler fraction b2 comprising formaldehyde, water, methanol, polyoxymethylene glycols, hemiformals and polyoxymethylene glycol dimethyl ethers (POMDMEn>1); c) feeding the high boiler fraction b2 into a second distillation column and separating into a low boiler fraction c1 comprising formaldehyde, water, methylene glycol, polyoxymethylene glycols, methanol, hemiformals, di-, tri- and tetraoxymethylene glycol dimethyl ether (POMDMEn=2,3,4) and a high boiler fraction c2; d) feeding the low boiler fraction c1 into a third distillation column and separating into a low boiler fraction d1 and a high boiler fraction d2 substantially consisting of formaldehyde, water, methylene glycol, polyoxymethylene glycols, tri- and tetraoxymethylene glycol dimethyl ether (POMDMEn=3,4); e) feeding the high boiler fraction d2 into a phase separation apparatus and separating into an aqueous phase e1 substantially consisting of formaldehyde, water, methylene glycol and polyoxymethylene glycols, and an organic phase e2 comprising tri- and tetraoxymethylene glycol dimethyl ether (POMDMEn=3,4); f) feeding the organic phase e2 into a fourth distillation column and separating into a low boiler fraction f1 substantially consisting of formaldehyde, water, methylene glycol and polyoxymethylene glycols, and a high boiler fraction f2 substantially consisting of tri- and tetraoxymethylene glycol dimethyl ether (POMDMEn=3,4).
C08G 65/00 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
49.
USE OF 5-AMINOPYRAZOLES FOR CONTROLLING PHYTOPATHOGENIC HARMFUL FUNGI, NOVEL 5-AMINOPYRAZOLES, PROCESS FOR THEIR PREPARATION AND COMPOSITION COMPRISING THEM
Use of 5-aminopyrazoles of the formula (I) in which the substituents are as defined according to the description for controlling phytopathogenic harmful fungi, novel 5-aminopyrazoles, process for preparing these compounds and composition comprising them.
C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
C07D 417/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
A01N 43/90 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
A01N 43/713 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with four or more nitrogen atoms as the only ring hetero atoms
The invention relates to a distribution device (1) for a gas-liquid phase mixture for apparatus (2), whereby a gas phase and a liquid phase are introduced into the interior of the apparatus (2) via at least one feed opening (4). The invention is characterised in that the distribution device (1) comprises a horizontal base (5) and vertical liquid-phase guide elements (6) that are open upstream and are mounted on said base. The guide elements extend towards the feed opening (4) through the gas cushion that is formed. The perimeter of the liquid-phase guide elements (6) is provided with at least one opening (10) for the gas phase in the vicinity of the gas cushion that is formed and at least one opening (11) for the liquid phase.
B01J 10/00 - Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particles; Apparatus specially adapted therefor
B01J 8/02 - Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
51.
ABSORBENT AND METHOD FOR THE ELIMINATION OF CARBON DIOXIDE FROM GAS FLOWS
Disclosed is an absorbent for eliminating carbon dioxide from gas flows. Said absorbent contains an aqueous solution of an amine of formula (I) HNR2, wherein one or both radicals R represent (II) while the other radical R represents hydrogen. The inventive absorbent is characterized by particularly great resistance to oxidation.
B01D 53/14 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
Disclosed is a method for processing hard polyvinyl chloride, comprising at least one step in which (A) solid hard polyvinyl chloride having a K value ranging from 55 to 70, determined at 25 °C on a solution of 1g of the respective pure polyvinyl chloride in cyclohexanone, is mixed with (B) at least one ethylene copolymer that is optionally neutralized in part and is selected among ethylene copolymers which contain (a) 5 to 40 percent by weight of at least one ethylenically unsaturated carboxylic acid and (b) 60 to 95 percent by weight of ethylene as polymerized comonomers.
Process for producing coated granules of at least one thermoplastic A), characterized in that, in a mixing apparatus, a) a binder B) is firstly applied to the thermoplastic A) and b) at least one colorant C) is then applied to the granules.
The invention relates to a method for catalytically hydrogenating carbonyl compounds or a mixture of two or more carbonyl compounds in the presence of copper-containing catalyst shaped bodies that, in oxidic form, have a specific surface area of 50 to 150 m2/g which, in oxidic form, contain, entirely or in part, crystals with a spinel structure and copper in the form of copper oxide, characterized in that the diameter d, the height h, the wall thickness w or the cell diameter r2 of the shaped bodies is ≤ 5 mm, with the restriction that, in shaped bodies provided in the form of symmetric tablets, the diameter d and height h are ≤ 4 mm.
C07C 29/141 - Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by reduction of an oxygen-containing functional group of C=O containing groups, e.g. —COOH of a —CHO group with hydrogen or hydrogen-containing gases
B01J 35/00 - Catalysts, in general, characterised by their form or physical properties
B01J 35/10 - Solids characterised by their surface properties or porosity
The invention relates to a method for purifying a composition (I) at least containing cyclododecanone. The inventive method for purifying a composition (I) at least containing cyclododecanone encompasses at least step (i) in which the composition (I) is irradiated.
The invention relates to the use of a hydrophobin or a derivative thereof as an antifoaming agent in additive compositions or in fuels, to a method for defoaming fuels, to an additive and fuel composition containing a hydrophobin or derivative thereof and at least one additional fuel additive, and to a method for producing a fuel composition.
A urethane acrylate composition includes a resin system and a catalyst system. The resin system includes a urethane acrylate adduct including a reaction product of an isocyanate component and a functionalized acrylate reactive with the isocyanate component. The resin system also includes a first metal salt and a peroxide. The catalyst system includes a second metal salt and an accelerator selected from the group of anilines, amines, amides, pyridines, and combinations thereof. The catalyst system catalyzes a free-radical reaction of the urethane acrylate composition. The resin and catalyst systems may be used in a method of making a composite structure in a mold. The method includes applying a first layer and the urethane acrylate composition to the mold. The method further includes curing the structure in the mold and demolding the structure from the mold.
The invention concerns metallizable extruded films or panels that are produced from a plastic mixture containing, with regard to the total weight of constituents A, B, C, D and E, which total 100 % by weight: a) 5 to 49.45 % by weight of a thermoplastic polymer as constituent A; b) 50 to 94.45 % by weight of a metal powder with an average particle diameter ranging from 0.01 to 100 µm (determined according to the method defined in the description), the metal has a more negative normal potential in acid solution that silver, as constituent B; c) 0.5 to 10 % by weight of a dispersant as constituent C; d) 0.05 to 5 % by weight of a stabilizer as constituent D, and: e) 0 to 40 % by weight of a fiber-like or particulate fillers or mixtures thereof as constituent E. The invention also concerns thermoplastic molding materials for producing metallizable extruded films or panels, to granular materiel comprising thermoplastic molding materials of this type, and to composite laminated sheets and panels and molded parts. The invention further concerns methods for producing these objects, to the use of these objects and to absorbers for electromagnetic radiation, oxygen scavengers, electrically conductive components, gas barriers and to decorative parts comprising these objects.
B32B 5/18 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer containing foamed or specifically porous material
Hydroxylamine is formed in a reactor through a partial hydrogenation of nitric oxide gas (NO) with hydrogen gas (H2) in an aqueous medium with nitrogen gas (N2) as an inert gas. The formation of the hydroxylamine forms nitrous oxide gas (N2O). The gasses and the water vapor are flowed away from the reactor in a vent gas stream enabling recycling of the gasses. The N2O is removed from the vent gas stream to reduce flammability. Once the N2O is removed, the NO, H2, and N2 are recycled and re-used in the reactor to form additional hydroxylamine. The N2O removed from the vent gas stream can be commercially sold or economically discarded.
B01D 53/04 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
Described are microorganisms which are able to inhibit the formation of foot malodor by skin microorganisms. Also described are compositions comprising such microorganisms as well as the use of such microorganisms in cosmetic, prophylactic or therapeutic applications.
A61K 8/99 - Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof, of undetermined constitution from microorganisms other than algae or fungi, e.g. protozoa or bacteria
Oximether compounds of formula (I) wherein A is selected from A1 and A2; E is O or S(=O)r; r is 0, 1 or 2; X is C-Y or N; Y is halogen, CN, NO2, NH2, OH, SH, R1, OR1, SR1, S(=O)R1, S(=O)2R1, NHR1, NR1R2, C(=O)H, C(=O)R1, C(=O)OH, C(=O)OR1, C(=O)NHR1, C(=O)NR1R2, C(=S)R1, C(=S)OR1, C(=S)NHR1, C(=S)NR1R2, OC(=O)R1, OC(=S)R1, NHC(=O)R1, NR1C(=O)R2, NHC(=O)OR1, NR1C(=O)OR2, NHC(=S)R1, NR1C(=S)R2, NHC(=S)OR1, NR1C(=S)OR2, N⏧C(=O)R1]2, C(=O)NR1-NR2R3, C(=O)NH- NR1R2, C(=O)NH-NHR1, C(=O)NR1-NHR2, C(=O)NH-NH2, NR1-N⏧C(=O)R2]2, N⏧C(=S)R1]2, C(=S)NR1-NNR2R3, NR1-N⏧C(=S)R2]2, O-NR2R3, -O-NHR1, -SO2NHR1, SO2NR1R2, NHSO2R1, NR1SO2R2, SiR13, P(=O)R12, P(=S)R12; or an optionally substituted 5- to 6-membered heteroaromatic ring which contains 1 to 3 heteroatoms selected from O, N and S; R1, R2 and R3 are optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl or phenyl; Q and W are Y or NR3C(=O)NR1R2, NR3C(=S)NR1R2 or NHC(=O)R1; Z is Y or NR3C(=O)NR1R2 or NR3C(=S)NR1R2; m is 0, 1, 2, 3 or 4; n is 0, 1, 2, or 3; o, p and q are 0, 1, 2, 3, 4 or 5; with the exemption of 1-4- ⏧4-(trifluoromethyl)phenoxy]phenyl}-O-⏧2,6-dichloro-4-⏧(3,3-dichloro-2- propenyl)oxy]phenyl]methyl]oxime ethanone, processes for preparing compounds I, pesticidal compositions comprising compounds I and use of compounds I for the control of pests and parasites.
C07C 251/40 - Oximes with oxygen atoms of oxyimino groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with the carbon atoms of the oxyimino groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton
C07C 251/52 - Oximes having oxygen atoms of oxyimino groups bound to carbon atoms of substituted hydrocarbon radicals of hydrocarbon radicals substituted by halogen atoms or by nitro or nitroso groups
C07C 255/62 - Carboxylic acid nitriles containing cyano groups and oxygen atoms being part of oxyimino groups bound to the same carbon skeleton
C07C 323/12 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and singly-bound oxygen atoms bound to the same carbon skeleton having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton the carbon skeleton being acyclic and saturated
C07D 213/64 - One oxygen atom attached in position 2 or 6
A01N 35/10 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical at least one of the bonds to hetero atoms is to nitrogen containing a carbon-to-nitrogen double bond
A01N 43/40 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
A method for producing polyoxymethylene homo- or co-polymers (POM) in a tubular reactor is disclosed, characterized in that the tubular reactor comprises the following zones: I) an initial mixing zone (I), where suitable monomers are mixed with a polymerisation initiator, II) a polymerisation zone (II), where the obtained mixture is reacted to POM, III) a deactivator mixing zone (III), where a deactivator is admixed to the reaction mixture and IV) a deactivation zone (IV), where the reaction mixture is deactivated by the deactivator, wherein a) at least one of the zones, the initial mixing zone (I) or deactivator mixing zone (III) comprise actuated (dynamic) components, and b) the maximum diameter of the tubular reactor in the initial mixing zone I is not greater than 90 % of the maximum diameter in the polymerisation zone (II).
C08G 2/00 - Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
B01J 19/18 - Stationary reactors having moving elements inside
63.
METHOD FOR THE PRODUCTION OF ALPHA-SUBSTITUTED CARBOXYLIC ACIDS
The invention relates to a method for producing carboxylic acids substituted in the 2-position by alkylating the respective dianions of the used carboxylic acid. The invention further relates to a method for producing the corresponding carboxylic acid derivatives, especially the corresponding carboxylic acid esters by esterifying the produced &agr;-substituted carboxylic acids.
C07C 51/363 - Preparation of carboxylic acids or their salts, halides, or anhydrides by reactions not involving formation of carboxyl groups by substitution of halogen atoms by other halogen atoms
C07C 57/52 - Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 69/65 - Halogen-containing esters of unsaturated acids
C08F 291/00 - Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds according to more than one of the groups
C09J 151/00 - Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
C09D 151/00 - Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
C08L 51/00 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
C08F 265/00 - Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group
Hydroxylamine is formed in a reactor through a partial hydrogenation of nitric oxide gas (NO) with hydrogen gas (H2) in an aqueous medium with nitrogen gas (N2) as an inert gas. The formation of the hydroxylamine forms nitrous oxide gas (N2O). The gases and the water vapor are flowed away from the reactor in a vent gas stream enabling recycling of the gases. The N2O is removed from the vent gas stream to reduce flammability. The method of removing N2O comprises the steps of (a) flowing the vent gas through a nitrous oxide adsorbent material comprising particles such that the N2O is adsorbed onto the particles; (b) forming a buffer zone comprising N2 adjacent to the nitrous oxide adsorbent material; (c) flowing additional N2O through the nitrous oxide adsorbent material to displace the other gas; and (d) desorbing the N2O from the nitrous oxide adsorbent material. Once the N2O is removed, the NO, H2, and N2 are recycled and re-used in the reactor to form additional hydroxylamine. The N2O removed from the vent gas stream is of high purity and can be commercially sold or economically discarded.
The present invention relates to a method for fractionating stereoisomeric compounds which have at least one alcohol group and/or amino group, by distillative separation in the presence of a chiral discriminator which takes the form of a metal complex having at least one ligand which is derived from a compound of the general formula (I).
Hydroxylamine is formed in a reactor through a partial hydrogenation of nitric oxide gas (NO) with hydrogen gas (H2) in an aqueous medium with nitrogen gas (N2) as an inert gas. The formation of the hydroxylamine forms nitrous oxide gas (N2O). The gases and the water vapor are flowed away from the reactor in a vent gas stream enabling recycling of the gases. The N2O is removed from the vent gas stream to reduce flammability. Once the N2O is removed, the NO, H2, and N2 are recycled and re-used in the reactor to form additional hydroxylamine. The N2O removed from the vent gas stream can be commercially sold or economically discarded.
B01D 53/04 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
The invention relates to a method for producing a matrix used for producing a surface-structured coating connectable to a flat support, in particular to leather or a textile material, wherein said coating is produced by applying a liquid plastic material to the matrix surface and, afterwards, by hardening said plastic material. The matrix surface structure corresponds to the coating surface structure. The inventive method is characterised in that the matrix surface structure is formed by laser engraving.
The invention relates to novel methods for producing coated, granulated animal food additives which contain enzymes, and to the coated granulates which contain enzymes and which are produced in said manner, in addition to animal food compositions which can be obtained using the coated granulates. Said method consists of the following steps : a) a dough containing said enzyme, which contains, in addition to water, i) 50 96.9 wt.-% of at least solid carrier material which is suitable for animal food, ii) 0.1 - 20 wt.-% of at least one polymer which is water-soluble, iii) 3 49.9 wt.% of at least one enzyme, is extruded, wherein the weight proportion of i), ii) and iii) are respectively relative to the non-aqueous components of the dough; b) the extruded product is prepared into a raw granulate having a water content of not more than 15 wt.%, and c) the raw granulate is coated with a hydrophobic material which is selected from at least 70 wt.%, in relation to the hydrophobic material, from saturated fatty acids, the esters of saturated acids, in particular mono-, di- and triglycerides of saturated fatty acids, and mixtures thereof.
The invention relates to novel granulates containing enzymes, which are suitable as animal food, in addition to a method for the production thereof. The invention also relates to the use of the granulates containing enzymes in animal food compositions and in particular, pellet-like animal food compositions, which are obtained using the granulate containing enzymes. The particles of the enzyme granulates comprise A) a core which contains enzymes having a water content of less than 15 wt. %, preferably, in the region of 1 - 12 wt. %, in particular, in the region of 3 - 10 wt. % and especially in the region of 5 - 9 wt. %, in relation to the weight of the core which contains the enzymes, which contains i) 50 96.9 wt. %, preferably, 55 94.85 wt.- % and, in particular, 60 89.7 wt. % of at least one solid carrier material which is suitable for animal food, ii) 0.1 - 10 wt. %, preferably, 0.15 - 5wt. %, in particular 0.2 - 2 wt.- % and especially 0.3 - 1 wt. %, of at least one neutral cellulose derivative which is water-soluble, iii) 3 49.9 wt. %, mainly 5 49.85 wt. %, in particular 10 44.8 wt. % and especially 10 39.7 wt. %, of at least one enzyme. The weight proportion of i), ii) and iii) is respectively relative in relation to the non-aqueous components of the core; and B) at least one hydrophobic coating is arranged on the surface of the core, which comprises at least one hydrophobic material selected from wax, saturated fatty acids, esters of saturated fatty acids, polyolefins and polyamides, in an amount of at least 70 wt. %, preferably, at least 80 wt. %, in particular at least 90 wt. % and especially at least 99 wt. %, in relation to the total weight of the coating.
The invention relates to novel phytase-containing enzyme granulates, wherein the particles comprise A) a core which comprises at least one phytase and at least one solid carrier material which is suitable as animal food, and b) a coating which is arranged on the core. Said core of the particles or the entire particle has, after optionally, necessary grinding, a pH value in the region of 4.5 6.5, preferably in the region of 4.6 6.0 and more preferably from 4.7 5.5, when they are suspended or dissolved in completely desalted water at 25 . Said granulates are suitable as an animal food additive. The invention also relates to a method for the production thereof and to the use thereof in phytase-containing enzyme granulates in animal food compositions and, in particular, animal food compositions in the form of pellets, which can be obtained using the phytase-containing enzyme granulates.
The invention relates to novel phytase-containing enzyme granulates, wherein the particles thereof have an average weight particle size in the region of 300 - 800 µm and the specific phytase activity thereof, expressed in FTU/g, is at least 13000 and does not exceed the value of FTUmax = 6000 [FTU g'1]. D'3 . mm3. D represents the average weight particle diameter of the granulate-particles in mm. The invention also relates to a phytase-containing enzyme granulate for animal food, whereby the particles thereof have an average weight particle size in the region of 300 - 800 µm and the specific phytase activity, expressed in FTU/g, is at least 7000 and does not exceed a value of FTUmax = 2000 [FTU g'1] . D'3 . mm3. D represents the average weight of the particle diameter of the granulate particles in mm. The invention also relates to the use of the phytase-containing enzyme granulates in animal food compositions and, in particular, in animal food compositions in the form of pellets which are obtained using the phytase-containing enzyme granulates.
The invention relates to fungicidal mixtures which comprise (1) the epoxiconazole of formula (I) or the salts or adducts thereof, and (2) the azoxystrobin of formula (II) in a synergistically effective amount. The invention also relates to a method for controlling parasitic fungi using mixtures from a compound (I) and at least one active substance (II), to the use of a compound (I) with active substances (II) for producing mixtures of the aforementioned kind, and to agents containing said mixtures.
The invention relates to a method for the production of &bgr;-aminopropionic acid derivatives by reaction of a primary or secondary amine with an acrylic acid derivative, wherein (i) a first primary or secondary amine is provided as amine of value and is reacted with the acrylic acid derivative, wherein a reaction mixture containing a first &bgr;-aminopropionic acid derivative is obtained as product of value and in addition unreacted acrylic acid derivative is obtained, (ii) the unreacted acrylic acid derivative contained in the reaction mixture is reacted virtually completely with a second secondary amine as trapping amine to give a second &bgr;-aminopropionic acid derivative, wherein a reaction mixture is obtained which contains the first &bgr;-aminopropionic acid derivative as product of value, the second &bgr;-aminopropionic acid derivative and unreacted secondary amine.
C07C 253/30 - Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
C07C 255/24 - Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms containing cyano groups and singly-bound nitrogen atoms, not being further bound to other hetero atoms, bound to the same saturated acyclic carbon skeleton
75.
METHOD FOR PRODUCING CONDENSATION RESINS AND USE THEREOF
C08L 61/24 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
C09D 161/24 - Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
The invention relates to fungicidal mixtures which comprise (1) the epoxiconazole of formula (I) or the salts or adducts thereof, and (2) the propiconazole of formula (II) or the salts or adducts thereof in a synergistically effective amount. The invention also relates to a method for controlling parasitic fungi using mixtures from a compound (I) and at least one active substance (II), to the use of a compound (I) with active substances (II) for producing mixtures of the aforementioned kind, and to agents containing said mixtures.
The invention relates to a method for producing tertiary butyl esters that are substituted in position 2, by the alkylation of the appropriate tertiary butyl ester enolates. In addition, the invention relates to a method for producing corresponding free carboxylic acids by the acidic hydrolysis of the aforementioned tertiary butyl esters and their conversion into additional carboxylic acid esters.
C07C 67/343 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by change of size of the carbon skeleton by increase in the number of carbon atoms
C07C 69/65 - Halogen-containing esters of unsaturated acids
C07C 51/09 - Preparation of carboxylic acids or their salts, halides, or anhydrides from carboxylic acid esters or lactones
C07C 57/52 - Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing halogen
The invention relates to fungicidal mixtures which comprise (1) the epoxiconazole of formula (I) or the salts or adducts thereof, and (2) the flutriafol of formula (II) or the salts or adducts thereof in a synergistically effective amount. The invention also relates to a method for controlling parasitic fungi using mixtures from a compound (I) and at least one active substance (II), to the use of a compound (I) with active substances (II) for producing mixtures of the aforementioned kind, and to agents containing said mixtures.
The present invention relates to light emitting compounds, especially to triplett emitters suitable for electrooptical applications. Compounds according to the invention are organometallic complexes of a metal, preferably Ir, having a backbone of one five-membered ring that is linked to a five- or six-membered ring, by an intermediate six-membered ring. These compounds are suitable for adaptation to the emission of light in the UV to NIR range by adaptation of atoms or groups within at least one of the five-membered or six-membered ring structures.
H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
A process is described for epoxidating an ethylenically unsaturated isobutene polymer, which involves contacting an organic phase, comprising the isobutene polymer, with an aqueous phase comprising formic acid and hydrogen peroxide. The process yields substantially quantitative conversions after a short reaction time.
The invention relates to a phosphate-free cleaning formulation for machine dishwashing, comprising as components: a) 1 to 20% by weight of copolymers of a1) 50 to 93 mol% acrylic acid and/or of a water-soluble salt of acrylic acid, a2) 5 to 30 mol% of methacrylic acid and/or of a water-soluble salt of methacrylic acid and a3) 2 to 20 mol% of at least one nonionic monomer of the formula (I), b) 1 to 50% by weight of complexing agents chosen from the group consisting of glycine-N,N-diacetic acid derivatives and glutamic acid-N,N-diacetic acid and salts thereof, c) 1 to 15% by weight of low-foaming nonionic surfactants, d) 0 to 30% by weight of bleaches and optionally bleach activators, e) 0 to 60% by weight of further builders, f) 0 to 8% by weight of enzymes, g) 0 to 50% by weight of one or more further additives, such as anionic or zwitterionic surfactants, bleach catalysts, alkali carriers, corrosion inhibitors, antifoams, dyes, fragrances, fillers, organic solvents and water, where the sum of components a) to g) is 100% by weight.
The invention relates to a phosphate-free cleaning formulation for machine dishwashing comprising as components: a) 1 to 20% by weight of copolymers of a1) 50 to 99.5 mol% of a monoethylenically unsaturated monocarboxylic acid and/or of a salt thereof, a2) 0.5 to mol% of an alkoxylated monoethylenically unsaturated monomer of the formula (I), a3) 0 to 50 mol% of a monoethylenically unsaturated dicarboxylic acid, an anhydride and/or a salt thereof, a4) 0 to 20 mol% of a further copolymerizable monoethylenically unsaturated monomer, where the copolymer has an average molecular weight Mw of from 30 000 to 500 000 g/mol and a K value of from 40 to 150, measured at pH 7 in 1% strength by weight aqueous solution at 25°C, b) 1 to 50% by weight of complexing agents chosen from the group consisting of nitrilotriacetic acid, ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid, hydroxyethylethylenediaminetriacetic acid and glycine-N,N-diacetic acid and derivatives thereof, glutamic acid-N,N-diacetic acid, iminodisuccinate, hydroxyiminodisuccinate, S,S-ethylenediaminedisuccinate and aspartic acid-diacetic acid, and the salts of the abovementioned substances, c) 1 to 15% by weight of low-foaming nonionic surfactants, d) 0.1 to 30% by weight of bleaches and optionally bleach activators, e) 0 to 60% by weight of further builders, f) 0 to 8% by weight of enzymes, g) O to 50% by weight of one or more further additives, where the sum of components a) to g) is 100% by weight.
Described is an isobutene polymer comprising on average at least 1.4 terminal 1,3-propanediol groups, and a crosslinking product thereof. Suitable crosslinking agents are isocyanates having a functionality of two or more or epoxy compounds containing at least two epoxide groups. The crosslinking products exhibit high storage moduli even at relatively high temperatures.
The invention relates to a foam material from a foam matrix comprising substantially open cells and a finish from substantially fluorocarbon resin or silicone resin applied to the foam matrix. The finish additionally contains at least one fire-retardant substance. The invention also relates to a method for producing the inventive foam.
The invention relates to porous metal-organic framework comprising Al'' and at least one at least bidentate compound. The at least one at least bidentate compound is a six-membered aromatic hydrocarbon ring A, wherein one ore more ring carbon atoms may be replaced by nitrogen and the three substituents X and optionally one or more substituents selected from the group including R, NRR', OR, SR, F, Cl, and Br, wherein R, R' independently represent hydrogen, methyl which is optionally substituted by one or more fluorine atoms or ethyl which is optionally substituted by one or more fluorine atoms and every X independently represents C(=O)O-, C(=S)O-, C(=O)S-, C(=S)S- or the protonized form thereof. The invention also relates to methods for producing said framework and to the use of the novel metal-organic framework.
A method for production of polyoxymethylene homo- or co-polymers by homo- or co-polymerisation of trioxan or additional suitable co-monomers is disclosed, wherein trioxan is firstly produced in a monomer plant, which contains residual monomer and which is degassed in one or more stages to give one or more vapour streams (13, 14), optionally fed to a condenser (K) wherein the condensable components are condensed out to give a condensate (15), recycled into the polymerisation reactor (P) and a gaseous stream (16) containing formaldehyde and a partly degassed polyoxymethylene homo- or co-polymer (17), supplied to an extruder (E) or mixer and mixed with normal additives and processing agents to give a polymer melt (19) with removal of a formaldehyde-containing extruder or mixer exhaust gas (18) from the extruder (E) or mixer, characterised in that the formaldehyde-containing by product streams (14, 16, 18) are directly recycled to the monomer plant from the polymer plant without addition of adjuncts.
The invention relates to 7-amino-6-triazolyl-1,2,4-triazolo[1,5-a]pyrimidine compounds of formula (I) and the agriculturally compatible salts thereof, to the use of said compounds for controlling harmful fungi and to plant protective agents containing at least one of said compounds in the form of an active
A01N 43/90 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
C07D 249/10 - 1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
The invention relates to thermoplastic moulding materials containing A) 10 to 99 % by weight at least one type of thermoplastic polymer, B) 0 to 50 % by weight B1) at least one type of highly- or hyperbranched polycarbonate whose OH index ranges from 1 to 600 mg KOH/g of polycarbonate (according to DIN 53240, Part 2), or (B2) at least one type of highly- or hyperbranched polyester of AxBy type, wherein x is equal to or greater than 1.1 and Y is equal to or greater than 2.1, or the mixture thereof, C) 1 to 30 % by weight flame retardant consisting, in relation to 100 % by weight, C1) 20 to 99 % by weight halogen-containing epoxy resin and C2) 1 to 80 % by weight antiminixide, and D) 0 to 60 % by weight other additives, wherein the sum of percentages by weight of the components from A) to D) is equal to 100 %.
Disclosed is a method for producing polyamides, the oligomers or mixtures thereof, optionally with other reaction products, by reacting aminonitriles or dinitriles and diamines or a mixture containing aminonitrile, dinitrile, and diamine, and other optional polyamide-forming monomers and/or oligomers with water in a reactor (1) that has a vertical longitudinal axis. According to the inventive method, the reaction product in the reactor (1) is discharged from the bottom while ammonium and other optional low-molecular compounds produced as well as water are withdrawn via the top (2). The reactor (1) comprises at least two chambers (4) that are arranged on top of each other in the longitudinal direction. The chambers (4) are separated from one another by means of liquid-tight bottoms (5). Each chamber (4) is joined to the immediately subjacent chamber (4) with the aid of one respective liquid overflow port (6) while a liquid product flow is withdrawn via the liquid overflow port (6) of the lowest chamber (4). The gas space (7) located above the liquid level in each chamber (4) is connected to the immediately superimposed chamber (4) by means of one or several conduits (8), each of which extends into a gas distributor (9) encompassing orifices (11) for discharging gas below the liquid level. The reactor further comprises at least one respective baffle plate (12) that is placed vertically around each gas distributor (9). The upper end of said baffle plate (12) ends below the liquid level while the lower end thereof ends above the liquid-tight bottom (5) of the chamber (4). The baffle plate (12) divides each chamber (4) into one or several gassed (13) and one or several non-gassed (14) spaces. The dwell time in the reactor (1) amounts to 3 to 8 hours.
The present invention relates to a method for producing a porous organometallic framework material by reacting at least one metal compound, the metal being Be, Mg, Ca, Sr, Ba, AI, Ga or In, with at least one at least bidentate organic compound. The invention also relates to the use of such porous organometallic framework materials.
The invention relates to a foam material that is produced from a hydrophobic or oloephobic, open-pored foam matrix. Said matrix is impregnated with a substance consisting essentially of a polyvinylidene halide (co)polymer, which can optionally contain additional substituents and also optionally of a fluorocarbon resin and/or a silicone resin. The invention also relates to a method for producing said foam material.
C08J 9/42 - Impregnation with macromolecular compounds
93.
METHOD FOR COVERING THE DEMAND FOR POLYMERS I, UP TO AT LEAST 90 % OF WHICH CONTAINING ACRYLIC ACID, SALTS THEREOF AND/OR ALKYL ESTERS OF THE ACRYLIC ACID IN MANNER THAT IS A RADICALLY INCORPORATED BY POLYMERIZATION
The invention relates to a composition for coating metal surfaces, which contains a binding component, a corrosion inhibitor polymer based on an ethylenical mono- and dicarboxylic acid and, optionally, additional ethylenical monomers, a solvent component and, optionally, cross-linked components and pigment/filling components. The invention also relates to methods for the production thereof, and to a method for coating a metal surface with the help of said composition, metal surfaces coated according to said method and to the use of the composition as a base coat, in particular, during coil coating or for atmospheric corrosion protection. After drying, the applied layer has, preferably, a thickness of at least 3,1 µm and is thicker than a normal pre-treated layer.
C23C 22/00 - Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
C09D 133/00 - Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, a; Coating compositions based on derivatives of such polymers
95.
MICROORGANISMS WITH INCREASED EFFICIENCY FOR METHIONINE SYNTHESIS
The present invention concerns methods for the production of microorganisms with increased efficiency for methionine synthesis. The present invention also concerns microorganisms with increased efficiency for methionine synthesis. Furthermore, the present invention concerns methods for determining the optimal metabolic flux for organisms with respect to methionine synthesis.
Disclosed are a method for producing partially esterified (meth)acrylic acid esters of diols comprising different hydroxy groups, a method for the production thereof, and the use thereof.
C07C 67/08 - Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
C07C 67/03 - Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
C08L 75/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C09D 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C09J 175/16 - Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
97.
METHOD FOR PRODUCING MEMBRANES COATED WITH A CATALYST ON BOTH SIDES
The invention relates to a method for producing membranes coated with a catalyst on both sides for electrochemical devices, with the following steps: A) producing a first semifinished product by applying a first ionomer layer onto a first support, applying an anode catalyst layer onto the first ionomer layer while using a first catalyst ink, and drying the anode catalyst layer; B) producing a second semifinished product by applying a second ionomer layer onto a second support, applying a cathode catalyst layer onto the second ionomer layer while using a second catalyst tint, and drying the cathode catalyst layer; C) removing the first and second supports from the first or second ionomer layer and, joining the first semifinished product to the second semifinished product by joining the first ionomer layer to the second ionomer layer.
The invention relates to the use of arylanilides of the formula (I) wherein the variables are as defined in the description, for seed treatment and corresponding methods of seed treatment for controlling phytopathogenic fungi. The invention also relates to seed treatment formulations comprising the arylanilides of formula I and to seeds treated therewith.
A01N 37/22 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N, e.g. carboxylic acid amides or imides; Thio-analogues thereof the nitrogen atom being directly attached to an aromatic ring system, e.g. anilides
A01N 43/40 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
In a process for producing catalyst mouldings whose active mass is a multi-element oxide, a finely divided precursor mixture is moulded, with the admixture of boron nitride, to produce the desired geometry, then thermally treated.
B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
B01J 37/00 - Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
C07C 253/26 - Preparation of carboxylic acid nitriles by ammoxidation of hydrocarbons or substituted hydrocarbons containing carbon-to-carbon multiple bonds, e.g. unsaturated aldehydes
C07C 51/25 - Preparation of carboxylic acids or their salts, halides, or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
Process for producing a polyester comprising the steps of a) producing a polyester having a molecular weight Mw, determined by GPC against polystyrene standard, of ≤ 65.000 g/mol by polycondensation, b) compounding the polyester obtained in step a), in the presence of at least one di- or polyfunctional compound which is reactive with the polyester to obtain a polyester having a higher molecular weight than the polyester obtained in step a); and also polyesters produced by the aforementioned process.
C08G 63/91 - Polymers modified by chemical after-treatment
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
patents
