IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • A - Human necessities
  • A23B - Preserving, e.g. by canning, meat, fish, eggs, fruit, vegetables, edible seeds; chemical ripening of fruit or vegetables; the preserved, ripened, or canned products
A23B 4/00 General methods for preserving 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 Drying; Subsequent reconstitution
A23B 4/005 Preserving by heating
A23B 4/06 Freezing; Subsequent thawing; Cooling
A23B 4/07 Thawing subsequent to freezing
A23B 4/08 Freezing; Subsequent thawing; Cooling with addition of chemicals before or during cooling
A23B 4/09 Freezing; Subsequent thawing; Cooling 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 layer; Compositions or apparatus therefor
A23B 4/12 Preserving with acids; Acid 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. fumigation; Compositions 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 compounds; Microorganisms; Enzymes
A23B 4/22 Microorganisms; Enzymes
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 Drying; Subsequent reconstitution with addition of chemicals
A23B 4/037 Freeze-drying
A23B 4/044 Smoking; Smoking devices
A23B 4/048 Smoking; Smoking 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 Drying; Subsequent reconstitution
A23B 5/03 Freeze-drying
A23B 5/04 Freezing; Subsequent thawing; Cooling
A23B 5/005 Preserving by heating
A23B 5/06 Coating eggs with a protective layer; Compositions or apparatus therefor
A23B 5/08 Preserving with chemicals
A23B 5/10 Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
A23B 5/12 Preserving with chemicals in the form of liquids or solids
A23B 5/14 Organic compounds; Microorganisms; Enzymes
A23B 5/015 Preserving by irradiation or electric treatment without heating effect
A23B 5/16 Microorganisms; Enzymes
A23B 5/18 Inorganic compounds
A23B 5/20 Apparatus for preserving using liquids
A23B 5/22 Apparatus for preserving using solids
A23B 5/025 Drying; Subsequent reconstitution with addition of chemicals
A23B 5/035 Spray-drying
A23B 5/045 Thawing subsequent to freezing
A23B 5/055 Freezing; Subsequent thawing; Cooling with addition of chemicals with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature
A23B 7/00 Preservation or chemical ripening of fruit or vegetables
A23B 7/01 Preserving by heating by irradiation or electric treatment
A23B 7/02 Dehydrating; Subsequent reconstitution
A23B 7/03 Drying raw potatoes
A23B 7/04 Freezing; Subsequent thawing; Cooling
A23B 7/005 Preserving by heating
A23B 7/06 Blanching
A23B 7/08 Preserving with sugars
A23B 7/10 Preserving with acids; Acid 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 layer; Compositions or apparatus therefor
A23B 7/022 Dehydrating; Subsequent 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 Freezing; Subsequent thawing; Cooling 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. fumigation; Compositions or apparatus therefor
A23B 7/148 Preserving or ripening with chemicals not covered by group or in the form of gases, e.g. fumigation; Compositions 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. fumigation; Compositions 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 compounds; Microorganisms; Enzymes
A23B 7/155 Microorganisms; Enzymes
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 Drying; Subsequent reconstitution
A23B 9/10 Freezing; Subsequent thawing; Cooling
A23B 9/12 Thawing subsequent to freezing
A23B 9/14 Coating with a protective layer; Compositions or apparatus therefor
A23B 9/16 Preserving with chemicals
A23B 9/18 Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
A23B 9/20 Preserving with chemicals in the form of gases, e.g. fumigation; Compositions 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. fumigation; Compositions 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 compounds; Microorganisms; Enzymes
A23B 9/28 Microorganisms; Enzymes
A23B 9/30 Inorganic compounds
A23B 9/32 Apparatus for preserving using liquids
A23B 9/34 Apparatus for preserving using solids