IPC 6 English version  Class A21
SECTION A– HUMAN NECESSITIES
FOODSTUFFS; TOBACCO

A 21

BAKING; EDIBLE DOUGHS

Note

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 21 B

BAKERS' OVENS; MACHINES OR EQUIPMENT FOR BAKING (domestic baking equipment A 47 J 37/00; combustion apparatus F 23; domestic stoves or ranges being wholly or partly ovens F 24 B, F 24 C)

A 21 C

MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH

A 21 D

TREATMENT, e.g. PRESERVATION, OF FLOUR OR DOUGH, e.g. BY ADDITION OF MATERIALS; BAKING; BAKERY PRODUCTS; PRESERVATION THEREOF
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