IPC 6 English version  C12-C12C01310
SECTION C– CHEMISTRY; METALLURGY

C 12

BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING

C 12 C

BREWING OF BEER (cleaning of raw materials A 23 N; pitching or depitching machines, cellar tools C 12 L; propagating yeasts C 12 N 1/14; non-beverage ethanolic fermentation C 12 P 7/06)

Note

In this subclass, it is desirable to add the indexing codes of subclass C 12 R. The indexing codes should be linked. [6]


1/

00

Preparation of malt

1/

02

Pretreatment of grains, e.g. washing, steeping

1/

027

Germinating [6]

1/

033

. . 

in boxes or drums [6]

1/

04

(transferred to C 12 C 1/027, C 12 C 1/067)

1/

047

. . 

Influencing the germination by chemical or physical means [6]

1/

053

. . . 

by irradiation or electric treatment [6]

1/

06

(transferred to C 12 C 1/027, C 12 C 1/067, C 12 C 1/13)

1/

067

Drying [6]

1/

073

. . 

Processes or apparatus specially adapted to save or recover energy [6]

1/

08

(transferred to C 12 C 1/033, C 12 C 1/10 to C 12 C 1/125)

1/

10

. . 

Drying on fixed supports

1/

12

. . 

Drying on moving supports

1/

125

Continuous or semi-continuous processes for steeping, germinating or drying [6]

1/

13

. . 

with vertical transport of the grains [6]

1/

135

. . 

with horizontal transport of the grains [6]

1/

14

(transferred to C 12 C 1/15)

1/

15

Grain or malt turning, charging or discharging apparatus [6]

1/

16

After-treatment of malt, e.g. malt cleaning, detachment of the germ

1/

18

Preparation of malt extract or of special kinds of malt, e.g. caramel, black malt (malt products for use as foodstuffs A 23 L)

3/

00

Treatment of hops

3/

02

Drying

3/

04

Conserving; Storing; Packing

3/

06

. . 

Powder or pellets from hops [6]

3/

08

. . 

Solvent extracts from hops [6]

3/

10

. . . 

using carbon dioxide [6]

3/

12

. . 

Isomerised products from hops [6]

5/

00

Other raw materials for the preparation of beer

5/

02

Additives for beer

5/

04

. . 

Colouring additives

7/

00

Preparation of wort (malt extract C 12 C 1/18)

7/

01

Pretreatment of malt, e.g. malt grinding [6]

7/

02

(covered by C 12 C 7/04)

7/

04

Preparation or treatment of the mash

7/

047

. . 

part of the mash being unmalted cereal mash [6]

7/

053

. . 

part of the mash being non-cereal material [6]

7/

06

. . 

Mashing apparatus

7/

08

(covered by C 12 C 7/06)

7/

10

(covered by C 12 C 7/06)

7/

12

(transferred to C 12 C 7/26)

7/

14

Clarifying wort (Läuterung)

7/

16

. . 

by straining

7/

165

. . . 

in mash filters [6]

7/

17

. . . 

in lautertuns [6]

7/

175

. . 

by centrifuging [6]

7/

18

(transferred to C 12 C 7/28)

7/

20

. . 

Boiling the beerwort (brew kettles C 12 C 13/02) [6]

7/

22

. . . 

Processes or apparatus specially adapted to save or recover energy [6]

7/

24

Clarifying beerwort between hop boiling and cooling [6]

7/

26

Cooling beerwort; Clarifying beerwort during or after the cooling [6]

7/

28

After-treatment [6]

9/

00

to

9/

08

(transferred to C 12 C 3/08, C 12 C 3/12, C 12 C 7/20 to C 12 C 7/28, covered by C 12 C 7/00)

11/

00

Fermentation processes for beer

11/

02

Pitching yeast

11/

04

(covered by C 12 C 11/00)

11/

06

Acidifying the wort

11/

07

Continuous fermentation [6]

11/

09

Fermentation with immobilised yeast [6]

11/

11

Post-fermentation treatments, e.g. carbonation, concentration (C 12 H takes precedence) [6]

12/

00

Processes specially adapted for making special kinds of beer [6]

12/

02

Beer with low calorie content (C 12 C 12/04 takes precedence) [6]

12/

04

Beer with low alcohol content (removal of alcohol C 12 H 3/00) [6]

13/

00

Brewing devices, not covered by a single group of C 12 C 1/00 to C 12 C 12/04 [3,6]

13/

02

Brew kettles [3]

13/

04

(transferred to C 12 C 13/08, covered by C 12 C 13/02)

13/

06

. . 

heated with fire [3]

13/

08

. . 

with internal heating elements [6]

13/

10

Home brew equipment [6]

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