IPC 7 English version A23B-A23B 9/34

A23-A23B00934

SECTION A – HUMAN NECESSITIES

A 23

FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

A 23 B

PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS (preserving foodstuffs in general A23L 3/00; applying food preservatives in packages B65D 81/28)

General methods for preserving meat, sausages, fish or fish products [2]

005

Preserving by heating [5]

by irradiation or electric treatment [5]

015

Preserving by irradiation or electric treatment without heating effect [5]

Preserving by means of inorganic salts (apparatus therefor A23B 4/26, A23B 4/32) [2]

023

by kitchen salt or mixtures thereof with inorganic or organic compounds [5]

027

by inorganic salts other than kitchen salt or mixtures thereof with organic compounds, e.g. biochemical compounds [5]

Drying; Subsequent reconstitution [5]

033

with addition of chemicals (A23B 4/037 takes precedence) [5]

037

Freeze-drying [5]

044

Smoking; Smoking devices [5]

048

with addition of chemicals other than natural smoke [5]

052

Smoke generators [5]

056

Smoking combined with irradiation or electric treatment, e.g. electrostatic smoking [5]

Freezing; Subsequent thawing; Cooling [2]

Thawing subsequent to freezing [5]

with addition of chemicals before or during cooling [2]

with direct contact between the food and the chemical, e.g. liquid N₂, at cryogenic temperature [5]

Coating with a protective layer; Compositions or apparatus therefor [2]

Preserving with acids; Acid fermentation [2]

Preserving with chemicals not covered by groups A23B 4/02 or A23B 4/12 [2]

in the form of gases, e.g. fumigation; Compositions or apparatus therefor [5]

in the form of liquids or solids (apparatus therefor A23B 4/26, A23B 4/32) [5]

Organic compounds; Micro-organisms; Enzymes (acid fermentation A23B 4/12) [5]

Micro-organisms; Enzymes [5]

Inorganic compounds [5]

Apparatus for preserving using liquids [5]

by injection of liquids [5]

by spraying of liquids [5]

Apparatus for preserving using solids [5]

Preservation of eggs or egg products (preserving dough or bakery products A21D)

005

Preserving by heating [5]

by irradiation or electric treatment [5]

015

Preserving by irradiation or electric treatment without heating effect [5]

Drying; Subsequent reconstitution [5]

025

with addition of chemicals (A23B 5/03, A23B 5/035 take precedence) [5]

Freeze-drying [5]

035

Spray-drying [5]

Freezing; Subsequent thawing; Cooling

045

Thawing subsequent to freezing [5]

with addition of chemicals [5]

055

with direct contact between the food and the chemical, e.g. liquid N₂, at cryogenic temperature [5]

Coating eggs with a protective layer; Compositions or apparatus therefor [5]

Preserving with chemicals [5]

in the form of gases, e.g. fumigation; Compositions or apparatus therefor [5]

in the form of liquids or solids [5]

Organic compounds; Micro-organisms; Enzymes [5]

Micro-organisms; Enzymes [5]

Inorganic compounds [5]

Apparatus for preserving using liquids [5]

Apparatus for preserving using solids [5]

Preservation or chemical ripening of fruit or vegetables [3]

005

Preserving by heating [5]

by irradiation or electric treatment [5]

015

Preserving by irradiation or electric treatment without heating effect [5]

Dehydrating; Subsequent reconstitution (dried cooked potatoes A23L 1/216)

022

with addition of chemicals (A23B 7/024 to A23B 7/028 take precedence) [5]

024

Freeze-drying [5]

026

Spray-drying [5]

028

Thin layer-, drum- or roller-drying [5]

Drying raw potatoes

Freezing; Subsequent thawing; Cooling

045

Thawing subsequent to freezing [5]

with addition of chemicals [5]

055

with direct contact between the food and the chemical, e.g. liquid N₂, at cryogenic temperature [5]

Blanching (machines therefor A23N 12/00) [3]

Preserving with sugars (marmalade, jam, fruit jellies A23L 1/06)

Preserving with acids; Acid fermentation

Apparatus for compressing sauerkraut

Preserving or ripening with chemicals not covered by group A23B 7/08 or A23B 7/10

144

in the form of gases, e.g. fumigation; Compositions or apparatus therefor [3,5]

148

in a controlled atmosphere, e.g. partial vacuum, comprising only CO₂, N₂, O₂ or H₂O [3]

152

in a controlled atmosphere comprising other gases in addition to CO₂, N₂, O₂ or H₂O [3]

153

in the form of liquids or solids [5]

154

Organic compounds; Micro-organisms; Enzymes (acid fermentation A23B 7/10) [5]

155

Micro-organisms; Enzymes [5]

157

Inorganic compounds [5]

158

Apparatus for preserving using liquids [5]

159

Apparatus for preserving using solids [5]

Coating with a protective layer; Compositions or apparatus therefor (A23B 7/08 takes precedence) [5]

Preservation of edible seeds, e.g. cereals

Preserving by heating [5]

by irradiation or electric treatment [5]

Preserving by irradiation or electric treatment without heating effect [5]

Drying; Subsequent reconstitution [5]

Freezing; Subsequent thawing; Cooling [5]

Thawing subsequent to freezing [5]

Coating with a protective layer; Compositions or apparatus therefor [5]

Preserving with chemicals [5]

in the form of gases, e.g. fumigation; Compositions or apparatus therefor [5]

in a controlled atmosphere, e.g. partial vacuum, comprising only CO₂, N₂, O₂ or H₂O [5]

in a controlled atmosphere comprising other gases in addition to CO₂, N₂, O₂ or H₂O [5]

in the form of liquids or solids [5]

Organic compounds; Micro-organisms; Enzymes [5]

Micro-organisms; Enzymes [5]

Inorganic compounds [5]

Apparatus for preserving using liquids [5]

Apparatus for preserving using solids [5]