A continuous process for the production of propylene oxide comprising reacting propene with hydrogen peroxide in methanolic solution in the presence of a titanium silicalite-1 catalyst to obtain propylene oxide, wherein a reaction feed comprising propene, methanol and hydrogen peroxide is introduced into a reactor, said reaction feed containing potassium cations and phosphorus in the form of anions of at least one phosphorus oxyacid.
C07D 301/12 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
2.
PROCESS FOR THE PREPARATION OF A TITANIUM ZEOLITE CATALYST
A process for the preparation of a catalyst for the use in a hydrocarbon conversion reaction, said catalyst containing a titanium zeolite and carbonaceous material, the catalyst containing said carbonaceous material in an amount of from 0.01 to 0.5 % by weight based on the total weight of titanium zeolite contained in the catalyst, the process comprising (i) preparing a catalyst containing the titanium zeolite and (ii) depositing carbonaceous material on the catalyst according to (i) in an amount of from 0.01 to 0.5 % by weight based on the total weight of titanium zeolite contained in the catalyst by contacting said catalyst, prior to using the catalyst in said hydrocarbon conversion reaction, with a fluid containing at least one hydrocarbon in an inert atmosphere, to obtain the carbonaceous material containing catalyst, wherein in (ii), the catalyst is not contacted with an oxygen containing gas.
B01J 29/40 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11
B01J 29/65 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38
B01J 29/70 - Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups
A method for separating acetonitrile from water, comprising (i) providing a stream S1 containing at least 95 wt.-%, based on the total weight of S1, acetonitrile and water, wherein the weight ratio of acetonitrile : water is greater than 1; (ii) adding a stream P, comprising at least 95 wt.-% C3, based on the total weight of stream P, to S1 to obtain a mixed stream S2, C3 being propene optionally admixed with propane with a minimum weight ratio of propene : propane of 7:3; (iii) subjecting S2 to a temperature of 92 °C at most and a pressure of at least 10 bar, obtaining a first liquid phase L1 essentially consisting of C3, acetonitrile, and water, and a second liquid phase 12 essentially consisting of water and acetonitrile wherein the weight ratio of acetonitrile : water in L2 is less than 1; (iv) separating L1 from L2.
C07D 301/12 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
B01D 17/00 - Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
A process for producing propylene oxide comprising reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (Gl) comprising propylene oxide, unreacted propene, and oxygen; separating propylene oxide from mixture (Gl) to give a mixture (GII) comprising propene and oxygen; and adding hydrogen to mixture (GII) and reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising copper in elemental and/or oxidic form on a support, wherein copper is present on the support in an amount of 30 to 80 wt.-% based on the whole catalyst and calculated as CuO.
C07D 301/12 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
5.
DYEABLE AND HYDROPHOBIC BI-COMPONENT FIBERS COMPRISING A POLYOLEFIN EXTERIOR SURFACE AND ARTICLES MADE THEREFROM
Of the many compositions and methods provided herein, one composition involves a bi-component fiber comprising: a first polymer component comprising an ester linkage, wherein the polymer has a melting point of less than about 265°C; and a second polymer component comprising a polyolefin wherein the second polymer component comprises at least a portion of an exterior surface of the bi-component fiber. One method provided herein involves a method of making a bi-component fiber.
D01F 8/06 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Methods that include a method directed to producing dyeable bicomponent, low denier per filament, partially oriented bicomponent fibers having a density of about 1.15 g/cm3 or less for use in producing flat and textured yarns for use in a wide variety of textile applications, including apparel. Among the methods provided is a method comprising: (a) selecting a polyester resin for a core of the bicomponent fiber; (b) selecting a polyolefin resin for a sheath of the bicomponent fiber, wherein a viscosity ratio between the polyester resin and the polyolefin resin is in the range of about 0.4 to about 4; and (c) forming a dyeable sheath-core bicomponent fiber having a polyester core and a polyolefin sheath having a solid state density of about 1.15 g/cm3 or less.
D01F 8/06 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
In some respects, the invention relates to polyolefin fibers and fabrics that have durable functionality, including moisture-management capabilities and, in some instances, odor-control characteristics. The compositions and methods of the present invention may be applicable to polyolefin fibers (staple or filament), and fabrics including knits, wovens, and nonwovens. These functionalized fibers and fabrics are suitable for use in activewear garments, intimates, swimwear, career wear, work wear (e.g., uniforms and protective clothing), medical clothing, and technical clothing.
D06M 15/564 - Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
D06M 11/83 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
D06M 13/00 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
D06M 13/50 - Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organic compounds containing boron, silicon, selenium or tellurium atoms
D06M 15/03 - Polysaccharides or derivatives thereof
D06M 15/643 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
8.
INSULATED SYSTEM FOR DISPENSING A ONE-COMPONENT POLYURETHANE FOAM
The present disclosure relates to an insulated system for dispensing a one -component polyurethane foam, and more specifically, to a portable and insulated device for storing a plurality of small canisters (2) of one-component polyurethane foam operating in tandem with a handheld dispenser gun (7). What is contemplated is the use of a handheld insulated box (12), such as an industrial cooler, or a cardboard box, such as a storage and delivery box with slit openings for operation with flexible fixation straps (50), used in association with a belt holster (51) with clip-on docking stations (31) for operation of a plurality of OCF canisters (2) in an insulated environment. To protect from possible blockage of internal sections of a manifold by cooled OCF, different configurations of manifold (33), such as a C shape or a star shape, are contemplated.
B65D 83/14 - Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
B05B 9/08 - Apparatus to be carried on or by a person, e.g. of knapsack type
B29B 7/74 - Mixing; Kneading using other mixers or combinations of dissimilar mixers
9.
MULTI-BLOCK COPOLYMER PROCESS USING POLAR SOLVENTS
A process for forming a high molecular weight, multi-block copolymer comprising two or more chemically distinguishable segments or blocks, the process comprising polymerizing one or more olefin monomers in the presence of a chain shuttling agent and a catalyst composition comprising two or more olefin polymerization catalysts capable of preparing polymers having differing chemical or physical properties under equivalent polymerization conditions, or a catalyst composition comprising at least one olefin polymerization catalyst containing multiple active catalyst sites capable of preparing polymers having differing chemical or physical properties
The present invention relates to a continuous process for the preparation of an olefin oxide wherein an olefin is reacted with a hydroperoxidein the presence of a catalyst, and wherein the reaction which is carried out in at least three reactors operated in par- allel is controlled by specifically adjusting the catalyst loads in the reactors.
C07D 301/12 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
11.
ENHANCED DELIVERY OF IMMUNOSUPPRESSIVE DRUG COMPOSITIONS FOR PULMONARY DELIVERY
BOARD OF REGENTS THE UNIVERSITY OF TEXAS SYSTEM (USA)
THE DOW CHEMICAL COMPANY (USA)
Inventor
Williams, Robert, O., Iii
Johnston, Keith, P.
Sinswat, Prapasri
Mcconville, Jason, T.
Talbert, Robert
Peters, Jay
Watts, Alan, B.
Rogers, True, L.
Abstract
The present invention includes compositions and methods for making and using a rapid dissolving, high potency, substantially amorphous nanostructured aggregate for pulmonary delivery of tacrolimus and a stabilizer matrix comprising, optionally, a polymeric or non- polymeric surfactant, a polymeric or non-polymeric saccharide or both, wherein the aggregate comprises a surface area greater than 5 m2/g as measured by BET analysis and exhibiting supersaturation for at least 0.5 hours when 11-15-times the aqueous crystalline solubility of tacrolimus is added to simulated lung fluid.
A method (50) and apparatus for its practice are provided of differentiating at least one component of a heterogeneous sample from other component(s) using harmonic resonance imaging and of obtaining information regarding the sample from the differentiation. In a preferred embodiment, an image is created of a property of a harmonic or a combination of a harmonics producing a response having a contrast factor between the sample's constituent components. The desired harmonic(s) can be either identified in a preliminary data acquisition procedure on the sample or, if the sample's constituent components are known in advance, predetermined. The desired harmonic(s) may be identified (68) directly by the user or automatically through, e.g., pattern recognition. A compositional map may then be generated and displayed and/or additional information about the sample may be obtained (70).
The present invention is directed to a four-rotor mixer and methods for blending materials using the mixer. The four-rotor mixer is a system that can heat, mix, and extrude multi-component chemistry systems of materials, such as polymers and additives (fillers, pigments, catalysts, etc.) optionally with automation and under software control.
An apparatus for heating a thermoplastic material, wherein the thermoplastic material includes a microwave-sensitive polymeric region, the array comprising: two or more microwave heating apparatuses; wherein each microwave heating apparatus may include: a microwave generator; an EH tuner operatively connected to the microwave generator; a waveguide; a horn; and a resonant cavity; wherein the waveguide transmits microwave energy from the EH tuner to the horn; wherein the horn disperses the microwave energy to generate a uniform energy density spread in the resonant cavity; wherein the resonant cavity includes at least one inlet and one outlet for passing the microwave sensitive polymeric material through the resonant cavity; wherein the microwave heating apparatuses are coupled; and wherein the inlets and outlets of the multiple emitters form a single passageway for passing the thermoplastic material through the resonant cavities; a microwave choke proximate the passageway inlet; and a microwave choke proximate the passageway outlet is disclosed.
B29C 33/08 - SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING - Details thereof or accessories therefor with incorporated heating or cooling means for dielectric heating
15.
ADDITIVES FOR THE USE OF MICROWAVE ENERGY TO SELECTIVELY HEAT THERMOPLASTIC POLYMER SYSTEMS
A microwave-sensitive thermoplastic composition that includes a microwave-receptive additive; and a thermoplastic polymer; wherein the microwave- receptive additive is selected from the group consisting of sepiolite clay, molecular sieves formed from ammonium ion salts or hydrogen ion salts, aluminophosphates, silicoaluminophasphates, silicotitanates, organo-modified clays, molecular sieves or zeolites having a caged organic microwave receptive material, and combinations thereof.
The present invention relates to a process for separating at least one propylene glycol from a mixture (M) comprising water and said propylene glycol, said process comprising (I) evaporating the mixture in at least two evaporation and/or distillation stages at decreasing operating pressures of the evaporators and/or distillation columns obtaining mixture (M') and mixture (M'); (II) separating the mixture (M') obtained in (I) in at least one further distillation step, obtaining a mixture (M-I) comprising at least 70 wt.-% of water and a mixture (M-II) comprising less than 30 wt.-% of water.
The present invention provides a process for the epoxidation of propene which comprises reacting propene with hydrogen peroxide in the presence of methanol as solvent and a titanium zeolite catalyst, the process further comprising separating propylene oxide from the reaction mixture to obtain a mixture comprising methanol, water, at least one carboxylic acid and at least one carbonyl compound, wherein the at least one carboxylic acid is at least partially neutralized, said process optionally comprising a hydrogenation stage.
C07D 301/12 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
C07C 7/04 - Purification, separation or stabilisation of hydrocarbons; Use of additives by distillation
Branched polyglycols and branched polyether functional organopolysiloxanes are disclosed as is a process for making branched polyether functional organopolysiloxanes by reacting an organohydrogensiloxane and a branched polyglycol having an unsaturated group via a hydrosilylation reaction, as well as coating compositions containing branched polyether functional organopolysiloxanes and a binder are disclosed. Coatings resulting from these compositions were more hydrophilic and had improved dirt release properties as compared to coatings containing similar, but un-branched, polyether functional organopolysiloxanes.
C08G 65/22 - Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
C09D 171/00 - Coating compositions based on polyethers obtained by reactions forming an ether link in the main chain; Coating compositions based on derivatives of such polymers
The present invention relates to a process for producing propylene oxide comprising (I) reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (Gl) comprising propylene oxide, unreacted propene, and oxygen; (II) separating propylene oxide from mixture (Gl) to give a mixture (GII) comprising propene and oxygen; (III) reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising Sn and at least one noble metal.
C07D 301/12 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
Apparatus for spectroscopic analysis which includes a tunable diode laser spectrometer having a digital output signal and a digital computer for receiving the digital output signal from the spectrometer, the digital computer programmed to process the digital output signal using a multivariate regression algorithm. In addition, a spectroscopic method of analysis using such apparatus. Finally, a method for controlling an ethylene cracker hydrogenator.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
21.
A PROCESS FOR THE EPOXIDATION OF AN OLEFIN WITH IMPROVED ENERGY BALANCE
The invention relates to a process for the epoxidation of an olefin comprising (a) reacting the olefin with hydrogen peroxide in the presence of methanol as solvent in at least two reaction stages to obtain a mixture (M-a) comprising olefin oxide, unreacted olefin, methanol and water, wherein between at least two reaction stages, olefin oxide is separated by distillation; (b) separating unreacted olefin from the mixture (M-a) by distillation to obtain a mixture (M-bi) comprising at least 80 wt.-% of olefin and a mixture (M-bii) comprising methanol, water and at least 7 wt.-% of olefin oxide; (c) separating olefin oxide from the mixture (M-bii) in at least one distillation stage to obtain a mixture (M-ci) comprising at least 99 wt.-% of olefin oxide and a mixture (M-cii) comprising water and at least 55 wt.-% of methanol; (d) separating methanol from the mixture (M-cii) in at least one distillation stage to obtain a mixture (M-di) comprising at least 85 wt.-% of methanol and up to 10 wt.-% of water, and a mixture (M-dii) comprising at least 90 wt.-% of water; wherein a vapor top stream (Td) obtained from at least one distillation column used in (d), said vapor top stream (Td) comprising at least 85 wt.-% methanol, is used to operate at least partially at least one vaporizer used in at least one distillation column used in at least one of stages (a), (b) and (c).
C07D 301/12 - Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with hydrogen peroxide or inorganic peroxides or peracids
A method for detecting a latent environmental effect (such as a corrosive environment under insulation) or a latent structural change (such as a crack in a concealed structural member) at a known remote concealed location. The method of the instant invention includes three steps. The first step is to use a harmonic electromagnetic transponder at the known remote concealed location of the latent environmental effect or the latent structural change, the harmonic electromagnetic transponder having a reactive portion which reacts to the latent environmental effect or latent structural change to modify the harmonic emission of the transponder. The second step is to remotely interrogate the transponder by directing electromagnetic radiation at the transponder. The third step is to use the harmonic emission of the transponder to remotely determine the latent environmental effect or the latent structural change.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
23.
NOVEL DIAZAPHOSPHOLANE LIGANDS FOR ASYMMETRIC CATALYSIS
This invention relates to a asymmetric hydroformylation processes in which a prochiral or chiral olefin is reacted with carbon monoxide and hydrogen in the presence of an optically active metal-ligand complex catalyst to produce an optically active aldehyde or a product derived from an optically active aldehyde.
C07C 67/303 - Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by hydrogenation of unsaturated carbon-to-carbon bonds
C07F 9/6584 - Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms having one phosphorus atom as ring hetero atom
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 231/18 - Preparation of optical isomers by stereospecific synthesis
24.
ENHANCED DELIVERY OF DRUG COMPOSITIONS TO TREAT LIFE THREATENING INFECTIONS
BOARD OF REGENTS, UNIVERSITY OF TEXAS SYSTEM (USA)
Inventor
Hitt, James, E.
Rogers, True, L.
Gillespie, Ian, B.
Scherzer, Brian, D.
Garcia, Paula, C.
Beck, Nicholas, S.
Tucker, Christopher, J.
Young, Timothy, J.
Hayes, David, A.
Williams, Robert, O., Iii
Johnston, Keith, P.
Mcconville, Jason, T.
Peters, Jay, I.
Talbert, Robert
Burgess, David
Abstract
Inhalable compositions are described. The inhalable compositions comprise one or more respirable aggregates, the respirable aggregates comprising one or more poorly water soluble active agents, wherein at least one of the active agents reaches a maximum lung concentration (Cmax) of at least about 0.25 騜g/gram of lung tissue and remains at such concentration for a period of at least one hour after being delivered to the lung. Methods for making such compositions and methods for using such compositions are also disclosed.
A method of separating propylene oxide from a mixture (M) comprising propylene oxide and methanol, said method comprising: (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing an extracting solvent into said extractive distillation col-umn; (iii) distilling propylene oxide overhead from said extractive distillation column as top stream; (iv) withdrawing a bottoms stream from said extractive distillation column; (v) compressing the top stream obtained overhead in (iii) by means of at least one compressor to give a compressed vapor.
A method of separating propylene oxide from a mixture (M) comprising 5 to 50 percent by weight propylene oxide and 50 to 85 percent by weight methanol, said method com-prising (i) introducing said mixture (M) into an extractive distillation column; (ii) additionally introducing a polar solvent into said extractive distillation column; (iii) distilling propylene oxide overhead from said extractive distillation column at a bottoms temperature of from 40 to 70 °C and at a pressure of from 300 to 750 mbar.
patents
