|  | A |
SECTION A — HUMAN NECESSITIES

FOODSTUFFS AND TOBACCO

|  | A23 |
FOODS OR FOODSTUFFS; THEIR TREATMENT NOT INCLUDED IN OTHER CLASSES

|  | 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 (preserving foodstuffs in general Fulltext... Hierarchy... Expanded...A23L 3/00; preserving materials other than foodstuffs Fulltext... Hierarchy... Expanded...A61L; applying food preservatives in packages Fulltext... Hierarchy... Expanded...B65D 81/28)

|  | A23B 4/00 |
General methods for preserving meat, sausages, fish or fish products [2]

|  | A23B 4/02 |
· | Preserving by means of inorganic salts [2]

|  | A23B 4/04 |
· | Drying or smoking; Smoking devices (drying apparatus in general Fulltext... Hierarchy... Expanded...F26B) [2]

|  | A23B 4/06 |
· | Freezing; Subsequent thawing; Cooling [2]

|  | A23B 4/08 |
· · | with addition of chemicals before or during cooling [2]

|  | A23B 4/10 |
· | Coating with a protective layer [2]

|  | A23B 4/12 |
· | Preserving with acids; Acid fermentation [2]

|  | A23B 4/14 |
· | Preserving with chemicals other than inorganic salts or acids [2]

|  | A23B 5/00 |
Preservation of eggs or egg products (preserving dough or bakery products Fulltext... Hierarchy... Expanded...A21D)

|  | A23B 5/02 |
· | Drying

|  | A23B 5/04 |
· | Freezing; Subsequent thawing; Cooling

|  | A23B 5/06 |
· | Coating eggs with a protective layer

|  | A23B 7/00 |
Preservation or chemical ripening of fruit or vegetables

|  | A23B 7/02 |
· | Dehydrating; Subsequent reconstitution

|  | A23B 7/03 |
· · | Drying raw potatoes (dried cooked potatoes Fulltext... Hierarchy... Expanded...A23L 1/216)

|  | A23B 7/04 |
· | Freezing; Subsequent thawing; Cooling

|  | A23B 7/06 |
· | Blanching (machines therefor Fulltext... Hierarchy... Expanded...A23N 12/00)

|  | A23B 7/08 |
· | Preserving fruit with sugar (marmalade, jam, fruit jellies Fulltext... Hierarchy... Expanded...A23L 1/06)

|  | A23B 7/10 |
· | Preserving fruit or vegetables with acid; Acid fermentation

|  | A23B 7/12 |
· · | Apparatus for compressing sauerkraut

|  | A23B 7/14 |
· | Preserving or ripening fruit or vegetables otherwise than with sugar or acid

|  | A23B 7/144 |
· · | using gases (cooling without control of atmosphere composition Fulltext... Hierarchy... Expanded...A23B 7/04) [3]

|  | A23B 7/148 |
· · · | in a controlled atmosphere, e.g. partial vacuum, comprising only CO2 , N2 , O2 , or H2O [3]

|  | A23B 7/152 |
· · · | in a controlled atmosphere comprising other gases in addition to CO2 , N2 , O2 , or H2O [3]

|  | A23B 7/156 |
· · | using liquids [3]

|  | A23B 7/16 |
· | Coating fruit or vegetables with a protective layer (Fulltext... Hierarchy... Expanded...A23B 7/08 takes precedence)

|  | A23B 9/00 |
Preservation of edible seeds, e.g. cereals