IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • A - Human necessities
  • A21D - Treatment, e.g. preservation, of flour or dough for baking, e.g. by addition of materials; baking; bakery products; preservation thereof
A21D 2/00 Treatment of flour or dough by adding materials thereto before or during baking
A21D 2/02 Treatment of flour or dough by adding materials thereto before or during baking by adding inorganic substances
A21D 2/04 Oxygen; Oxygen-generating compounds, e.g. ozone, peroxides
A21D 2/06 Reducing agents
A21D 2/08 Treatment of flour or dough by adding materials thereto before or during baking by adding organic substances
A21D 2/10 Hydrocarbons
A21D 2/12 Halohydrocarbons
A21D 2/14 Organic oxygen compounds
A21D 2/16 Fatty acid esters
A21D 2/18 Carbohydrates
A21D 2/20 Peroxides
A21D 2/22 Ascorbic acid
A21D 2/24 Organic nitrogen compounds
A21D 2/26 Proteins
A21D 2/28 Organic sulfur compounds
A21D 2/30 Organic phosphorus compounds
A21D 2/32 Phosphatides
A21D 2/34 Animal material
A21D 2/36 Vegetable material
A21D 2/38 Seed germs; Germinated cereals; Extracts thereof
A21D 2/40 Apparatus for the chemical treatment of flour or dough
A21D 4/00 Preserving flour or dough before baking by storage in an inert atmosphere
A21D 6/00 Other treatment of flour or dough before baking, e.g. cooling, irradiating, heating
A21D 8/00 Methods for preparing or baking dough
A21D 8/02 Methods for preparing dough; Treating dough prior to baking
A21D 8/04 Methods for preparing dough; Treating dough prior to baking treating dough with microorganisms or enzymes
A21D 8/06 Baking processes
A21D 8/08 Prevention of sticking, e.g. to baking plates
A21D 8/10 Prevention of sticking, e.g. to baking plates using dusting powders
A21D 10/00 Batters, dough or mixtures before baking
A21D 10/02 Ready-for-oven doughs, e.g. packaged doughs
A21D 10/04 Batters
A21D 13/00 Finished or partly finished bakery products
A21D 13/02 Products made from whole meal; Products containing bran or rough-ground grain
A21D 13/04 Products made from materials other than rye or wheat flour
A21D 13/06 Products with modified nutritive value, e.g. with modified starch content
A21D 13/08 Pastry, e.g. cake, biscuit, puff-pastry (icing or frosting or mixes therefor A23G 3/00)
A21D 13/10 Multi-layered products
A21D 13/11 Multi-layered products made of two or more doughs, e.g. differing in composition, colour or structure
A21D 13/13 Multi-layered products made of two or more doughs, e.g. differing in composition, colour or structure with coatings
A21D 13/14 Multi-layered products made of two or more doughs, e.g. differing in composition, colour or structure with fillings
A21D 13/16 Multi-layered pastry, e.g. puff pastry; Danish pastry or laminated dough
A21D 13/17 Multi-layered pastry, e.g. puff pastry; Danish pastry or laminated dough with coatings
A21D 13/19 Multi-layered pastry, e.g. puff pastry; Danish pastry or laminated dough with fillings
A21D 13/20 Partially or completely coated products
A21D 13/22 Partially or completely coated products coated before baking
A21D 13/24 Partially or completely coated products coated after baking
A21D 13/26 Partially or completely coated products the coating forming a barrier against migration
A21D 13/28 Partially or completely coated products characterised by the coating composition
A21D 13/30 Filled, to be filled or stuffed products
A21D 13/31 Filled, to be filled or stuffed products filled before baking
A21D 13/32 Filled, to be filled or stuffed products filled or to be filled after baking, e.g. sandwiches
A21D 13/33 Edible containers, e.g. cups or cones
A21D 13/34 Filled, to be filled or stuffed products the filling forming a barrier against migration
A21D 13/36 Filled wafers
A21D 13/37 Co-extruded products, i.e. products obtained by simultaneous extrusion of the dough and the filling
A21D 13/38 Filled, to be filled or stuffed products characterised by the filling composition
A21D 13/40 Products characterised by the type, form or use
A21D 13/41 Pizzas
A21D 13/42 Tortillas
A21D 13/43 Flatbreads, e.g. naan
A21D 13/44 Pancakes or crêpes
A21D 13/45 Wafers
A21D 13/46 Croutons
A21D 13/47 Decorated or decorative products
A21D 13/48 Products with an additional function other than for eating, e.g. toys or cutlery
A21D 13/50 Solidified foamed products, e.g. meringues
A21D 13/60 Deep-fried products, e.g. doughnuts
A21D 13/062 Products with modified nutritive value, e.g. with modified starch content with modified sugar content; Sugar-free products
A21D 13/064 Products with modified nutritive value, e.g. with modified starch content with modified protein content
A21D 13/066 Gluten-free products
A21D 13/068 Products with modified nutritive value, e.g. with modified starch content with modified fat content; Fat-free products
A21D 13/80 Pastry not otherwise provided for elsewhere, e.g. cakes, biscuits or cookies
A21D 15/00 Preserving finished bakery products; Improving
A21D 15/02 Preserving finished bakery products; Improving by cooling
A21D 15/04 Preserving finished bakery products; Improving by heat treatment
A21D 15/06 Preserving finished bakery products; Improving by irradiation
A21D 15/08 Preserving finished bakery products; Improving by coating
A21D 17/00 Refreshing bakery products