| IPC 6 English version | A23-A23B00934 |
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SECTION A | – HUMAN NECESSITIES |
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FOODS OR FOODSTUFFS; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES |
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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 A 23 L 3/00; preserving in general A 61 L; applying food preservatives in packages B 65 D 81/28) |
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4/ | 00 | General methods for preserving meat, sausages, fish or fish products [2] |
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4/ | 005 | . | Preserving by heating [5] |
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4/ | 01 | . . | by irradiation or electric treatment [5] |
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4/ | 015 | . | Preserving by irradiation or electric treatment without heating effect [5] |
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4/ | 02 | . | Preserving by means of inorganic salts (apparatus therefor A 23 B 4/26, A 23 B 4/32) [2] |
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4/ | 023 | . . | by kitchen salt or mixtures thereof with inorganic or organic compounds [5] |
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4/ | 027 | . . | by inorganic salts other than kitchen salt or mixtures thereof with organic compounds, e.g. biochemical compounds [5] |
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4/ | 03 | . | Drying; Subsequent reconstitution [5] |
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4/ | 033 | . . | with addition of chemicals (A 23 B 4/037 takes precedence) [5] |
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4/ | 037 | . . | Freeze-drying [5] |
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4/ | 044 | . | Smoking; Smoking devices [5] |
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4/ | 048 | . . | with addition of chemicals other than natural smoke [5] |
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4/ | 052 | . . | Smoke generators [5] |
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4/ | 056 | . . | Smoking combined with irradiation or electric treatment, e.g. electrostatic smoking [5] |
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4/ | 06 | . | Freezing; Subsequent thawing; Cooling [2] |
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4/ | 07 | . . | Thawing subsequent to freezing [5] |
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4/ | 08 | . . | with addition of chemicals before or during cooling [2] |
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4/ | 09 | . . . | with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature [5] |
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4/ | 10 | . | Coating with a protective layer; Compositions or apparatus therefor [2] |
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4/ | 12 | . | Preserving with acids; Acid fermentation [2] |
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4/ | 14 | . | Preserving with chemicals not covered by groups A 23 B 4/02 or A 23 B 4/12 [2] |
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4/ | 16 | . . | in the form of gases, e.g. fumigation; Compositions or apparatus therefor [5] |
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4/ | 18 | . . | in the form of liquids or solids (apparatus therefor A 23 B 4/26, A 23 B 4/32) [5] |
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4/ | 20 | . . . | Organic compounds; Micro-organisms; Enzymes (acid fermentation A 23 B 4/12) [5] |
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4/ | 22 | . . . . | Micro-organisms; Enzymes [5] |
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4/ | 24 | . . . | Inorganic compounds [5] |
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4/ | 26 | . | Apparatus for preserving using liquids [5] |
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4/ | 28 | . . | by injection of liquids [5] |
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4/ | 30 | . . | by spraying of liquids [5] |
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4/ | 32 | . | Apparatus for preserving using solids [5] |
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5/ | 00 | Preservation of eggs or egg products (preserving dough or bakery products A 21 D) |
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5/ | 005 | . | Preserving by heating [5] |
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5/ | 01 | . . | by irradiation or electric treatment [5] |
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5/ | 015 | . | Preserving by irradiation or electric treatment without heating effect [5] |
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5/ | 02 | . | Drying; Subsequent reconstitution [5] |
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5/ | 025 | . . | with addition of chemicals (A 23 B 5/03, A 23 B 5/035 take precedence) [5] |
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5/ | 03 | . . | Freeze-drying [5] |
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5/ | 035 | . . | Spray-drying [5] |
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5/ | 04 | . | Freezing; Subsequent thawing; Cooling |
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5/ | 045 | . . | Thawing subsequent to freezing [5] |
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5/ | 05 | . . | with addition of chemicals [5] |
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5/ | 055 | . . . | with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature [5] |
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5/ | 06 | . | Coating eggs with a protective layer; Compositions or apparatus therefor [5] |
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5/ | 08 | . | Preserving with chemicals [5] |
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5/ | 10 | . . | in the form of gases, e.g. fumigation; Compositions or apparatus therefor [5] |
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5/ | 12 | . . | in the form of liquids or solids [5] |
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5/ | 14 | . . . | Organic compounds; Micro-organisms; Enzymes [5] |
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5/ | 16 | . . . . | Micro-organisms; Enzymes [5] |
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5/ | 18 | . . . | Inorganic compounds [5] |
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5/ | 20 | . . . | Apparatus for preserving using liquids [5] |
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5/ | 22 | . . . | Apparatus for preserving using solids [5] |
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7/ | 00 | Preservation or chemical ripening of fruit or vegetables [3] |
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7/ | 005 | . | Preserving by heating [5] |
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7/ | 01 | . . | by irradiation or electric treatment [5] |
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7/ | 015 | . | Preserving by irradiation or electric treatment without heating effect [5] |
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7/ | 02 | . | Dehydrating; Subsequent reconstitution (dried cooked potatoes A 23 L 1/216) |
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7/ | 022 | . . | with addition of chemicals (A 23 B 7/024 to A 23 B 7/028 take precedence) [5] |
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7/ | 024 | . . | Freeze-drying [5] |
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7/ | 026 | . . | Spray-drying [5] |
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7/ | 028 | . . | Thin layer-, drum- or roller-drying [5] |
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7/ | 03 | . . | Drying raw potatoes |
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7/ | 04 | . | Freezing; Subsequent thawing; Cooling |
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7/ | 045 | . . | Thawing subsequent to freezing [5] |
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7/ | 05 | . . | with addition of chemicals [5] |
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7/ | 055 | . . . | with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature [5] |
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7/ | 06 | . | Blanching (machines therefor A 23 N 12/00) [3] |
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7/ | 08 | . | Preserving with sugars (marmalade, jam, fruit jellies A 23 L 1/06) |
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7/ | 10 | . | Preserving with acids; Acid fermentation |
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7/ | 12 | . . | Apparatus for compressing sauerkraut |
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7/ | 14 | . | Preserving or ripening with chemicals not covered by group A 23 B 7/08 or A 23 B 7/10 |
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7/ | 144 | . . | in the form of gases, e.g. fumigation; Compositions or apparatus therefor [3,5] |
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7/ | 148 | . . . | in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O [3] |
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7/ | 152 | . . . | in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O [3] |
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7/ | 153 | . . | in the form of liquids or solids [5] |
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7/ | 154 | . . . | Organic compounds; Micro-organisms; Enzymes (acid fermentation A 23 B 7/10) [5] |
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7/ | 155 | . . . . | Micro-organisms; Enzymes [5] |
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7/ | 157 | . . . | Inorganic compounds [5] |
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7/ | 158 | . . . | Apparatus for preserving using liquids [5] |
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7/ | 159 | . . . | Apparatus for preserving using solids [5] |
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7/ | 16 | . | Coating with a protective layer; Compositions or apparatus therefor (A 23 B 7/08 takes precedence) [5] |
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9/ | 00 | Preservation of edible seeds, e.g. cereals |
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9/ | 02 | . | Preserving by heating [5] |
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9/ | 04 | . . | by irradiation or electric treatment [5] |
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9/ | 06 | . | Preserving by irradiation or electric treatment without heating effect [5] |
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9/ | 08 | . | Drying; Subsequent reconstitution [5] |
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9/ | 10 | . | Freezing; Subsequent thawing; Cooling [5] |
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9/ | 12 | . . | Thawing subsequent to freezing [5] |
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9/ | 14 | . | Coating with a protective layer; Compositions or apparatus therefor [5] |
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9/ | 16 | . | Preserving with chemicals [5] |
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9/ | 18 | . . | in the form of gases, e.g. fumigation; Compositions or apparatus therefor [5] |
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9/ | 20 | . . . | in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O [5] |
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9/ | 22 | . . . | in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O [5] |
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9/ | 24 | . . | in the form of liquids or solids [5] |
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9/ | 26 | . . . | Organic compounds; Micro-organisms; Enzymes [5] |
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9/ | 28 | . . . . | Micro-organisms; Enzymes [5] |
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9/ | 30 | . . . | Inorganic compounds [5] |
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9/ | 32 | . . . | Apparatus for preserving using liquids [5] |
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9/ | 34 | . . . | Apparatus for preserving using solids [5] |
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