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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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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 A23L 3/00; preserving in general A61L; applying food preservatives in packages B65D 81/28)
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General methods for preserving meat, sausages, fish or fish products
A23B 4/002
.
{
Preservation in association with shaping (A23B 4/0053, A23B 4/01, A23B 4/062 and A23B 4/066 take precedence)
}
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A23B 4/005
.
Preserving by heating
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A23B 4/0053
. .
{
with gas or liquids, with or without shaping, e.g. in form of powder, granules or flakes
}
NOTE
-
The heating means for the gas or liquid are not classified

A23B 4/0056
. . .
{
with packages, or with shaping in the form of blocks or portions
}
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A23B 4/01
. .
by irradiation or electric treatment
{
with or without shaping, e.g. in form of powder, granules or flakes
}
A23B 4/012
. . .
{
with packages, or with shaping in the form of blocks or portions
}
.
Preserving by irradiation or electric treatment without heating effect
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A23B 4/02
.
Preserving by means of inorganic salts (apparatus therefor A23B 4/26, A23B 4/32)
A23B 4/021
. .
{
with apparatus adapted for gaseous preserving agents
}
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A23B 4/023
. .
by kitchen salt or mixtures thereof with inorganic or organic compounds
A23B 4/0235
. . .
{
with organic compounds or biochemical products
}
A23B 4/027
. .
by inorganic salts other than kitchen salt, or mixtures thereof with organic compounds, e.g. biochemical compounds
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A23B 4/03
.
Drying; Subsequent reconstitution
{
(drying apparatus in general F26B)
}
A23B 4/031
. .
{
Apparatus for drying (A23B 4/037 takes precedence)
}
A23B 4/033
. .
with addition of chemicals (A23B 4/037 takes precedence)
A23B 4/037
. .
Freeze-drying,
{
i.e. cryodessication, lyophilisation; Apparatus therefor
}
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A23B 4/044
.
Smoking; Smoking devices
A23B 4/048
. .
with addition of chemicals other than natural smoke
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A23B 4/052
. .
Smoke generators;
{
Smoking apparatus (A23B 4/056 takes precedence)
}
A23B 4/0523
. . .
{
Smoke generators using wood-pyrolysis or wood-friction
}
A23B 4/0526
. . .
{
Smoke generators or smoking apparatus using liquid smoke in gaseous or liquid form
}
A23B 4/056
. .
Smoking combined with irradiation or electric treatment, e.g. electrostatic smoking;
{
Apparatus therefor
}
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A23B 4/06
.
Freezing; Subsequent thawing; Cooling
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A23B 4/062
. .
{
the materials being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes (moving on the spot only A23B 4/066)
}
A23B 4/064
. . .
{
with packages or with shaping in the form of blocks or portions
}
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A23B 4/066
. .
{
the materials not being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes
}
A23B 4/068
. . .
{
with packages or with shaping in the form of blocks or portions
}
A23B 4/07
. .
Thawing subsequent to freezing
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A23B 4/08
. .
with addition of chemicals
{
or treatment with chemicals
}
before or during cooling,
{
e.g. in the form of an ice coating or frozen block
}
A23B 4/09
. . .
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 4/08 takes precedence)
}
A23B 4/12
.
Preserving with acids; Acid fermentation
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A23B 4/14
.
Preserving with chemicals not covered by groups A23B 4/02 or A23B 4/12
. .
in the form of gases, e.g. fumigation; Compositions or apparatus therefor
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A23B 4/18
. .
in the form of liquids or solids (apparatus therefor A23B 4/26, A23B 4/32)
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A23B 4/20
. . .
Organic compounds; Micro-organisms; Enzymes (acid fermentation A23B 4/12)
A23B 4/22
. . . .
Micro-organisms; Enzymes;
{
Antibiotics
}
. . .
Inorganic compounds
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A23B 4/26
.
Apparatus for preserving using liquids;
{
Methods therefor
}
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A23B 4/28
. .
by injection of liquids
A23B 4/285
. . .
{
with inorganic salts
}
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A23B 4/30
. .
by spraying of liquids
A23B 4/305
. . .
{
with inorganic salts
}
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A23B 4/32
.
Apparatus for preserving using solids
A23B 4/325
. .
{
with inorganic salts
}
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Preservation of eggs or egg products (preserving dough or bakery products A21D)
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A23B 5/005
.
Preserving by heating
A23B 5/0052
. .
{
in the shell
}
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A23B 5/0055
. .
{
without the shell
}
A23B 5/0057
. . .
{
with packages
}
A23B 5/01
. .
by irradiation or electric treatment
.
Preserving by irradiation or electric treatment without heating effect
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A23B 5/02
.
Drying; Subsequent reconstitution
A23B 5/022
. .
{
Drying with use of gas or vacuum
}
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A23B 5/025
. .
{
Drying
}
with addition of chemicals (A23B 5/03, A23B 5/035 take precedence)
A23B 5/0255
. . .
{
Drying with use of liquids, e.g. by extraction
}
A23B 5/03
. .
Freeze-drying,
{
i.e. cryodessication, lyophilisation; Apparatus therefor
}
A23B 5/035
. .
Spray-drying
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A23B 5/04
.
Freezing; Subsequent thawing; Cooling
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A23B 5/041
. .
{
Freezing or cooling without shell (A23B 5/05 takes precedence)
}
A23B 5/043
. . .
{
with packages
}
A23B 5/045
. .
Thawing subsequent to freezing
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A23B 5/05
. .
{
Freezing or cooling
}
with addition of chemicals
A23B 5/055
. . .
with direct contact between the food and the chemical, e.g. liquid nitrogen, at cryogenic temperature
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A23B 5/06
.
Coating eggs with a protective layer; Compositions or apparatus therefor
A23B 5/065
. .
{
Apparatus for coating
}
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A23B 5/08
.
Preserving with chemicals
A23B 5/10
. .
in the form of gases, e.g. fumigation; Compositions or apparatus therefor
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A23B 5/12
. .
in the form of liquids or solids
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A23B 5/14
. . .
Organic compounds; Micro-organisms; Enzymes
A23B 5/16
. . . .
Micro-organisms; Enzymes
A23B 5/18
. . .
Inorganic compounds
A23B 5/20
. . .
Apparatus for preserving using liquids
A23B 5/22
. . .
Apparatus for preserving using solids
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A23B 7/00
Preservation or chemical ripening of fruit or vegetables
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A23B 7/005
.
Preserving by heating
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A23B 7/0053
. .
{
by direct or indirect contact with heating gases or liquids
}
A23B 7/0056
. . .
{
with packages
}
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A23B 7/01
. .
by irradiation or electric treatment
A23B 7/012
. . .
{
with packages
}
.
Preserving by irradiation or electric treatment without heating effect
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A23B 7/02
.
Dehydrating; Subsequent reconstitution (dried cooked potatoes A23L 1/216)
A23B 7/0205
. .
{
by contact of the material with fluids, e.g. drying gas or extracting liquids
}
A23B 7/021
. .
{
Foam drying
}
A23B 7/0215
. .
{
Post-treatment of dried fruits or vegetables
}
A23B 7/022
. .
with addition of chemicals
{
before or during drying, e.g. semi-moist products
}
(A23B 7/024 to A23B 7/028 take precedence)
A23B 7/024
. .
Freeze-drying,
{
i.e. cryodessication or lyophilisation
}
A23B 7/026
. .
Spray-drying
A23B 7/028
. .
Thin layer-, drum- or roller-drying
{
or by contact with a hot surface
}
A23B 7/03
. .
Drying raw potatoes
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A23B 7/04
.
Freezing; Subsequent thawing; Cooling
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A23B 7/0408
. .
{
the material being transported through or in the apparatus with or without shaping, e.g. in the form of powder, granules or flakes (A23B 7/05 takes precedence; moving on the spot only A23B 7/0425)
}
A23B 7/0416
. . .
{
with packages or with shaping in the form of blocks or portions
}
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A23B 7/0425
. .
{
the material not being transported through or in the apparatus, with or without shaping, e.g. in the form of powder, granules or flakes (A23B 7/05 takes precedence)
}
A23B 7/0433
. . .
{
with packages or with shaping in the form of blocks or portions
}
A23B 7/0441
. .
{
Treatment other than blanching preparatory to freezing
}
A23B 7/045
. .
Thawing subsequent to freezing
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A23B 7/05
. .
with addition of chemicals
{
or treatment with chemicals other than cryogenics, before or during cooling, e.g. in the form of an ice coating or frozen block
}
A23B 7/055
. . .
with direct contact between the food and the chemical, e.g. liquid nitrogen, at cryogenic temperature
A23B 7/06
.
Blanching (machines therefor A23N 12/00)
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A23B 7/08
.
Preserving with sugars (marmalade, jam, fruit jellies A23L 1/06)
A23B 7/085
. .
{
in a solution of sugar
}
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A23B 7/10
.
Preserving with acids; Acid fermentation
A23B 7/105
. .
{
Leaf vegetables, e.g. sauerkraut
}
A23B 7/12
. .
Apparatus for compressing sauerkraut
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A23B 7/14
.
Preserving or ripening with chemicals not covered by groups A23B 7/08 or A23B 7/10
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A23B 7/144
. .
in the form of gases, e.g. fumigation; Compositions or apparatus therefor
{
(cooling without control of atmosphere composition A23B 7/04)
}
A23B 7/148
. . .
in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
A23B 7/152
. . .
in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O;
{
Elimination of such other gases
}
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A23B 7/153
. .
in the form of liquids or solids
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A23B 7/154
. . .
Organic compounds; Micro-organisms; Enzymes (acid fermentation A23B 7/10)
A23B 7/155
. . . .
Micro-organisms; Enzymes;
{
Antibiotics
}
A23B 7/157
. . .
Inorganic compounds
A23B 7/158
. . .
Apparatus for preserving using liquids
A23B 7/159
. . .
Apparatus for preserving using solids
A23B 7/16
.
Coating with a protective layer; Compositions or apparatus therefor (A23B 7/08 takes precedence)
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Preservation of edible seeds, e.g. cereals
A23B 9/005
.
{
Processes or apparatus using pressure variation or mechanical force, e.g. shock, acceleration, shear stress, contortion
}
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A23B 9/02
.
Preserving by heating
A23B 9/025
. .
{
with use of gases
}
A23B 9/04
. .
by irradiation or electric treatment
A23B 9/06
.
Preserving by irradiation or electric treatment without heating effect
A23B 9/08
.
Drying; Subsequent reconstitution
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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
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A23B 9/16
.
Preserving with chemicals
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A23B 9/18
. .
in the form of gases, e.g. fumigation; Compositions or apparatus therefor
A23B 9/20
. . .
in a controlled atmosphere, e.g. partial vacuum, comprising only CO2, N2, O2 or H2O
A23B 9/22
. . .
in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
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A23B 9/24
. .
in the form of liquids or solids
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A23B 9/26
. . .
Organic compounds; Micro-organisms; Enzymes
A23B 9/28
. . . .
Micro-organisms; Enzymes;
{
Antibiotics
}
A23B 9/30
. . .
Inorganic compounds
A23B 9/32
. . .
Apparatus for preserving using liquids
A23B 9/34
. . .
Apparatus for preserving using solids
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Last Modified: 10/10/2013