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| 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 A23N; pitching or depitching machines, cellar tools C12L; propagating yeasts C12N 1/14; non-beverage ethanolic fermentation C12P 7/06) |
| Note |
| In this subclass, it is desirable to add the indexing codes of subclass C12R. The indexing codes should be linked. [6] |
| Subclass Index |
| RAW MATERIALS FOR PREPARING BEER |
| PREPARATION AND TREATMENT OF WORT; FERMENTATION PROCESSES FOR BEER |
| SPECIAL BEER |
| BREWING DEVICES |
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/ | 047 | . | . | Influencing the germination by chemical or physical means [6] |
1/ | 053 | . | . | . | by irradiation or electric treatment [6] |
1/ | 067 | . | Drying [6] |
1/ | 073 | . | . | Processes or apparatus specially adapted to save or recover energy [6] |
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/ | 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 A23L) |
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 C12C 1/18) |
7/ | 01 | . | Pretreatment of malt, e.g. malt grinding [6] |
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/ | 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/ | 20 | . | . | Boiling the beerwort (brew kettles C12C 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] |
11/ | 00 | Fermentation processes for beer |
11/ | 02 | . | Pitching yeast |
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 (C12H takes precedence; containers with means specially adapted for effervescing potable liquids B65D 85/73) [6] |
12/ | 00 | Processes specially adapted for making special kinds of beer [6] |
12/ | 02 | . | Beer with low calorie content (C12C 12/04 takes precedence) [6] |
12/ | 04 | . | Beer with low alcohol content (removal of alcohol C12H 3/00) [6] |
13/ | 00 | Brewing devices, not covered by a single group of C12C 1/00 to C12C 12/04 [3,6] |
13/ | 02 | . | Brew kettles [3] |
13/ | 06 | . | . | heated with fire [3] |
13/ | 08 | . | . | with internal heating elements [6] |
13/ | 10 | . | Home brew equipment [6] |