IPC Classification

Class code (prefix) Descriptions Number of results
A23B 2/00 Preservation of foods or foodstuffs, in general
A23B 2/05 Preservation of foods or foodstuffs, in general by heating using irradiation or electric treatment
A23B 2/08 Preservation of foods or foodstuffs, in general by heating using irradiation or electric treatment using microwaves or dielectric heating
A23B 2/10 Preservation of foods or foodstuffs, in general by treatment with pressure variation, shock, acceleration or shear stress
A23B 2/20 Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus
A23B 2/22 Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus with packages on endless chain or band conveyors
A23B 2/25 Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus with packages transported along a helical path
A23B 2/28 Preservation of foods or foodstuffs, in general by heating materials in packages which are progressively transported, continuously or stepwise, through the apparatus with packages on a revolving platform
A23B 2/30 Preservation of foods or foodstuffs, in general by heating materials in packages which are not progressively transported through the apparatus
A23B 2/33 Preservation of foods or foodstuffs, in general by heating materials in packages which are not progressively transported through the apparatus with packages in intercommunicating chambers through which the heating medium is circulated
A23B 2/37 Preservation of foods or foodstuffs, in general by heating materials in packages which are not progressively transported through the apparatus with packages moving on the spot
A23B 2/40 Preservation of foods or foodstuffs, in general by heating loose unpacked materials
A23B 2/42 Preservation of foods or foodstuffs, in general by heating loose unpacked materials while they are progressively transported through the apparatus
A23B 2/44 Preservation of foods or foodstuffs, in general by heating loose unpacked materials while they are progressively transported through the apparatus with transport along plates
A23B 2/46 Preservation of foods or foodstuffs, in general by heating loose unpacked materials while they are progressively transported through the apparatus with transport through tubes
A23B 2/48 Preservation of foods or foodstuffs, in general by heating loose unpacked materials with the materials in spray form
A23B 2/50 Preservation of foods or foodstuffs, in general by irradiation without heating
A23B 2/53 Preservation of foods or foodstuffs, in general by irradiation without heating with ultraviolet light
A23B 2/57 Preservation of foods or foodstuffs, in general by irradiation without heating by treatment with ultrasonic waves
A23B 2/60 Preservation of foods or foodstuffs, in general by treatment with electric currents without heating effect
A23B 2/70 Preservation of foods or foodstuffs, in general by treatment with chemicals
A23B 2/75 Organic compounds containing oxygen with doubly-bound oxygen
A23B 2/80 FreezingSubsequent thawingCooling
A23B 2/82 Thawing subsequent to freezing
A23B 2/85 FreezingSubsequent thawingCooling with addition of chemicals
A23B 2/88 FreezingSubsequent thawingCooling with addition of chemicals with direct contact between the food and the chemical, e.g. liquid N2 at cryogenic temperature
A23B 2/90 Preservation of foods or foodstuffs, in general by drying or kilningSubsequent reconstitution
A23B 2/91 Preservation of foods or foodstuffs, in general by drying or kilningSubsequent reconstitution with addition of chemicals before or during drying
A23B 2/92 Freeze drying
A23B 2/93 Spray drying
A23B 2/94 Thin-layer drying, drum drying or roller drying
A23B 2/95 Fluidised-bed drying
A23B 2/96 Foam drying
A23B 2/97 Preservation of foods or foodstuffs, in general by drying or kilningSubsequent reconstitution using irradiation or electric treatment, e.g. ultrasonic waves
A23B 2/704 Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor
A23B 2/708 Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
A23B 2/712 Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O in which an absorbent is placed or used
A23B 2/717 Oxygen absorbent
A23B 2/721 Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
A23B 2/725 Preservation of foods or foodstuffs, in general by treatment with chemicals in the form of liquids or solids
A23B 2/729 Organic compoundsMicroorganismsEnzymes
A23B 2/733 Compounds of undetermined constitution obtained from animals or plants
A23B 2/742 Organic compounds containing oxygen
A23B 2/746 Organic compounds containing oxygen with singly-bound oxygen
A23B 2/754 Organic compounds containing oxygen containing carboxyl groups
A23B 2/758 Carboxylic acid esters
A23B 2/762 Organic compounds containing nitrogen
A23B 2/767 Organic compounds containing sulfur
A23B 2/771 Organic compounds containing hetero rings
A23B 2/775 Organic compounds containing phosphorus
A23B 2/779 SugarsDerivatives thereof
A23B 2/783 MicroorganismsEnzymes
A23B 2/788 Inorganic compounds
A23B 2/792 Apparatus for preserving using liquids
A23B 2/796 Apparatus for preserving using solids
A23B 4/00 Preservation of meat, sausages, fish or fish products
A23B 4/01 Preserving by heating by irradiation or electric treatment
A23B 4/02 Preserving by means of inorganic salts
A23B 4/03 DryingSubsequent reconstitution
A23B 4/005 Preserving by heating
A23B 4/06 FreezingSubsequent thawingCooling
A23B 4/07 Thawing subsequent to freezing
A23B 4/08 FreezingSubsequent thawingCooling with addition of chemicals before or during cooling
A23B 4/09 FreezingSubsequent thawingCooling with addition of chemicals before or during cooling with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
A23B 4/10 Coating with a protective layerCompositions or apparatus therefor
A23B 4/12 Preserving with acidsAcid fermentation
A23B 4/14 Preserving with chemicals not covered by groups or
A23B 4/015 Preserving by irradiation or electric treatment without heating effect
A23B 4/16 Preserving with chemicals not covered by groups or in the form of gases, e.g. fumigationCompositions or apparatus therefor
A23B 4/18 Preserving with chemicals not covered by groups or in the form of liquids or solids
A23B 4/20 Organic compoundsMicroorganismsEnzymes
A23B 4/22 MicroorganismsEnzymes
A23B 4/023 Preserving by means of inorganic salts by kitchen salt or mixtures thereof with inorganic or organic compounds
A23B 4/24 Inorganic compounds
A23B 4/26 Apparatus for preserving using liquids
A23B 4/027 Preserving by means of inorganic salts by inorganic salts other than kitchen salt or mixtures thereof with organic compounds, e.g. biochemical compounds
A23B 4/28 Apparatus for preserving using liquids by injection of liquids
A23B 4/30 Apparatus for preserving using liquids by spraying of liquids
A23B 4/32 Apparatus for preserving using solids
A23B 4/033 DryingSubsequent reconstitution with addition of chemicals
A23B 4/037 Freeze-drying
A23B 4/044 SmokingSmoking devices
A23B 4/048 SmokingSmoking devices with addition of chemicals other than natural smoke
A23B 4/052 Smoke generators
A23B 4/056 Smoking combined with irradiation or electric treatment, e.g. electrostatic smoking
A23B 5/00 Preservation of eggs or egg products
A23B 5/01 Preserving by heating by irradiation or electric treatment
A23B 5/02 DryingSubsequent reconstitution
A23B 5/03 Freeze-drying
A23B 5/04 FreezingSubsequent thawingCooling
A23B 5/005 Preserving by heating
A23B 5/06 Coating eggs with a protective layerCompositions or apparatus therefor
A23B 5/08 Preserving with chemicals
A23B 5/10 Preserving with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor
A23B 5/12 Preserving with chemicals in the form of liquids or solids
A23B 5/14 Organic compoundsMicroorganismsEnzymes
A23B 5/015 Preserving by irradiation or electric treatment without heating effect
A23B 5/16 MicroorganismsEnzymes
A23B 5/18 Inorganic compounds
A23B 5/20 Apparatus for preserving using liquids
A23B 5/22 Apparatus for preserving using solids
A23B 5/025 DryingSubsequent reconstitution with addition of chemicals
A23B 5/035 Spray-drying
A23B 5/045 Thawing subsequent to freezing
A23B 5/055 FreezingSubsequent thawingCooling with addition of chemicals with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
A23B 7/00 Preservation of fruit or vegetablesChemical ripening of fruit or vegetables
A23B 7/01 Preserving by heating by irradiation or electric treatment
A23B 7/02 DehydratingSubsequent reconstitution
A23B 7/03 Drying raw potatoes
A23B 7/04 FreezingSubsequent thawingCooling
A23B 7/005 Preserving by heating
A23B 7/06 Blanching
A23B 7/08 Preserving with sugars
A23B 7/10 Preserving with acidsAcid fermentation
A23B 7/12 Apparatus for compressing sauerkraut
A23B 7/14 Preserving or ripening with chemicals not covered by group or
A23B 7/015 Preserving by irradiation or electric treatment without heating effect
A23B 7/16 Coating with a protective layerCompositions or apparatus therefor
A23B 7/022 DehydratingSubsequent reconstitution with addition of chemicals
A23B 7/024 Freeze-drying
A23B 7/026 Spray-drying
A23B 7/028 Thin layer-, drum- or roller-drying
A23B 7/045 Thawing subsequent to freezing
A23B 7/055 FreezingSubsequent thawingCooling with addition of chemicals with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
A23B 7/144 Preserving or ripening with chemicals not covered by group or in the form of gases, e.g. fumigationCompositions or apparatus therefor
A23B 7/148 Preserving or ripening with chemicals not covered by group or in the form of gases, e.g. fumigationCompositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
A23B 7/152 Preserving or ripening with chemicals not covered by group or in the form of gases, e.g. fumigationCompositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
A23B 7/153 Preserving or ripening with chemicals not covered by group or in the form of liquids or solids
A23B 7/154 Organic compoundsMicroorganismsEnzymes
A23B 7/155 MicroorganismsEnzymes
A23B 7/157 Inorganic compounds
A23B 7/158 Apparatus for preserving using liquids
A23B 7/159 Apparatus for preserving using solids
A23B 9/00 Preservation of edible seeds, e.g. cereals
A23B 9/02 Preserving by heating
A23B 9/04 Preserving by heating by irradiation or electric treatment
A23B 9/06 Preserving by irradiation or electric treatment without heating effect
A23B 9/08 DryingSubsequent reconstitution
A23B 9/10 FreezingSubsequent thawingCooling
A23B 9/12 Thawing subsequent to freezing
A23B 9/14 Coating with a protective layerCompositions or apparatus therefor
A23B 9/16 Preserving with chemicals
A23B 9/18 Preserving with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor
A23B 9/20 Preserving with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
A23B 9/22 Preserving with chemicals in the form of gases, e.g. fumigationCompositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
A23B 9/24 Preserving with chemicals in the form of liquids or solids
A23B 9/26 Organic compoundsMicroorganismsEnzymes
A23B 9/28 MicroorganismsEnzymes
A23B 9/30 Inorganic compounds
A23B 9/32 Apparatus for preserving using liquids
A23B 9/34 Apparatus for preserving using solids
A23B 11/00 Preservation of milk or dairy products
A23B 11/10 Preservation of milk or milk preparations
A23B 11/12 Preservation of milk or milk preparations by heating
A23B 11/13 Preservation of milk or milk preparations by heating the materials being loose unpacked
A23B 11/14 Preservation of milk or milk preparations by freezing or cooling
A23B 11/16 Preservation of milk or milk preparations by irradiation, e.g. by microwaves
A23B 11/18 Preservation of milk or milk preparations by addition of preservatives
A23B 11/20 Preservation of milk substitutes
A23B 11/22 Preservation of milk substitutes containing non-milk components as source of fats or proteins
A23B 11/23 Preservation of milk substitutes containing non-milk components as source of fats or proteins containing non-milk fats but no non-milk proteins
A23B 11/25 Preservation of milk substitutes containing non-milk components as source of fats or proteins containing non-milk proteins
A23B 11/27 Preservation of milk substitutes containing non-milk components as source of fats or proteins containing caseinates but no other milk proteins or milk fats
A23B 11/29 Preservation of milk substitutes containing non-milk components as source of fats or proteins containing or not lactose but no other milk components as source of fats, carbohydrates or proteins
A23B 11/30 Preservation of cream or cream preparations
A23B 11/35 Preservation of cream or cream preparations by addition of preservatives
A23B 11/40 Preservation of butter or butter preparations
A23B 11/45 Preservation of butter or butter preparations by addition of preservatives
A23B 11/50 Preservation of buttermilk or buttermilk preparations
A23B 11/55 Preservation of buttermilk or buttermilk preparations containing, or treated with, microorganisms or enzymes
A23B 11/60 Preservation of cheese or cheese preparations
A23B 11/65 Preservation of cheese or cheese preparations by addition of preservatives
A23B 11/67 Preservation of cheese or cheese preparations by addition of preservatives of antibiotics
A23B 11/70 Preservation of cheese substitutes
A23B 11/75 Preservation of cheese substitutes containing neither milk components, nor caseinate, nor lactose, as sources of fats, proteins or carbohydrates
A23B 11/80 Preservation of whey or whey preparations
A23B 11/82 Preservation of whey or whey preparations containing, or treated with, microorganisms or enzymes
A23B 11/84 Preservation of whey or whey preparations containing non-milk components as source of fats or proteins
A23B 11/86 Mixtures of whey with milk products or milk components
A23B 11/87 Preservation of whey or whey preparations containing other organic additives, e.g. vegetable or animal products
A23B 11/88 Preservation of whey or whey preparations containing inorganic additives
A23B 11/123 Preservation of milk or milk preparations by heating in packages
A23B 11/127 Preservation of milk or milk preparations by heating in packages progressively transported through the apparatus
A23B 11/133 Preservation of milk or milk preparations by heating the materials being loose unpacked and progressively transported through the apparatus
A23B 11/137 Preservation of milk or milk preparations by heating the materials being loose unpacked and progressively transported through the apparatus in direct contact with the heating medium, e.g. steam
A23B 11/145 Preservation of milk or milk preparations by freezing or cooling in packages
A23B 20/00 Preservation of edible oils or fats
A23B 20/10 Preservation of edible oil or fat compositions containing an aqueous phase, e.g. margarines
A23B 20/30 Preservation of other edible oils or fats, e.g. shortenings or cooking oils
A23B 40/00 Preservation of flour or dough before baking
A23B 40/10 Preservation of flour or dough before baking by cooling
A23B 40/30 Preservation of flour or dough before baking by heating
A23B 40/50 Preservation of flour or dough before baking by irradiation
A23B 40/60 Preservation of flour or dough before baking by storage in an inert atmosphere
A23B 45/00 Preservation of finished bakery products
A23B 45/10 Preservation of finished bakery products by cooling
A23B 45/30 Preservation of finished bakery products by heating
A23B 45/50 Preservation of finished bakery products by irradiation
A23B 45/70 Preservation of finished bakery products by coating
A23B 70/00 Preservation of non-alcoholic beverages
A23B 70/10 Preservation of non-alcoholic beverages by addition of preservatives
A23B 70/20 Preservation of non-alcoholic beverages by cooling
A23B 70/30 Preservation of non-alcoholic beverages by heating
A23B 70/35 Preservation of non-alcoholic beverages by heating by irradiation or electric treatment
A23B 70/50 Preservation of non-alcoholic beverages by irradiation or electric treatment, without heating
A23B 75/00 Preservation of pulsesPreservation of products from legumes
A23B 75/10 Preservation of beverages from legumes, e.g. soy drinks
A23B 80/00 Preservation of cocoa or cocoa products
A23B 85/00 Preservation of tea, tea substitutes or herbal tea
A23B 85/10 Preservation of beverages containing tea, tea substitutes or herbal tea
A23B 90/00 Preservation of coffee or coffee substitutes
A23B 90/10 Preservation of beverages containing coffee or coffee substitutes
A23B 99/00 Subject matter not provided for in other groups of this subclass