(0)A23B:0/1:
IPC6
SECTION A - HUMAN NECESSITIES
PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT,...
A23B
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A 23

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

Notes

(1)

 Attention is drawn to the following places:
 

C 08 B

Polysaccharides, derivatives thereof
 

C 11

Animal or vegetable oils, fats, fatty substances or waxes
 

C 12

Biochemistry, beer, spirits, wine, vinegar
 

C 13

Sugar industry. [4]

(2)

 Processes using enzymes or micro-organisms in order to:
 

(i)

 liberate, separate or purify a pre-existing compound or composition, or to
 

(ii)

 treat textiles or clean solid surfaces of materials
 

are further classified in subclass C 12 S. [5]

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 A 23 L 3/00; preserving in general A 61 L; applying food preservatives in packages B 65 D 81/28)

 

 

 
 

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

4
/ 005 • Preserving by heating [5]  

4
/ 01 • • by irradiation or electric treatment [5]  

4
/ 015 • Preserving by irradiation or electric treatment without heating effect [5]  

4
/ 02 • Preserving by means of inorganic salts (apparatus therefor A 23 B 4/26, A 23 B 4/32) [2]  

4
/ 023 • • by kitchen salt or mixtures thereof with inorganic or organic compounds [5]  

4
/ 027 • • by inorganic salts other than kitchen salt or mixtures thereof with organic compounds, e.g. biochemical compounds [5]  

4
/ 03 • Drying; Subsequent reconstitution [5]  

4
/ 033 • • with addition of chemicals (A 23 B 4/037 takes precedence) [5]  

4
/ 037 • • Freeze-drying [5]  

4
/ 044 • Smoking; Smoking devices [5]  

4
/ 048 • • with addition of chemicals other than natural smoke [5]  

4
/ 052 • • Smoke generators [5]  

4
/ 056 • • Smoking combined with irradiation or electric treatment, e.g. electrostatic smoking [5]  

4
/ 06 • Freezing; Subsequent thawing; Cooling [2]  

4
/ 07 • • Thawing subsequent to freezing [5]  

4
/ 08 • • with addition of chemicals before or during cooling [2]  

4
/ 09 • • • with direct contact between the food and the chemical, e.g. liquid N2, at cryogenic temperature [5]  

4
/ 10 • Coating with a protective layer; Compositions or apparatus therefor [2]  

4
/ 12 • Preserving with acids; Acid fermentation [2]  

4
/ 14 • Preserving with chemicals not covered by groups A 23 B 4/02 or A 23 B 4/12 [2]  

4
/ 16 • • in the form of gases, e.g. fumigation; Compositions or apparatus therefor [5]  

4
/ 18 • • in the form of liquids or solids (apparatus therefor A 23 B 4/26, A 23 B 4/32) [5]  

4
/ 20 • • • Organic compounds; Micro-organisms; Enzymes (acid fermentation A 23 B 4/12) [5]  

4
/ 22 • • • • Micro-organisms; Enzymes [5]  

4
/ 24 • • • Inorganic compounds [5]  

4
/ 26 • Apparatus for preserving using liquids [5]  

4
/ 28 • • by injection of liquids [5]  

4
/ 30 • • by spraying of liquids [5]  

4
/ 32 • Apparatus for preserving using solids [5]  
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