IPC 6 English version
 
Class C13

SECTION C– CHEMISTRY; METALLURGY

C 13SUGAR INDUSTRY (polysaccharides, e.g. starch, derivatives thereof C 08 B; malt C 12 C) [4]

 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]

C 13 CCUTTING MILLS; SHREDDING KNIVES; PULP PRESSES

C 13 DPRODUCTION OR PURIFICATION OF SUGAR JUICES

C 13 FPREPARATION OR PROCESSING OF RAW SUGAR, SUGAR, OR SYRUP

C 13 GEVAPORATION APPARATUS; BOILING PANS

C 13 HCUTTING MACHINES FOR SUGAR; COMBINED CUTTING, SORTING AND PACKING MACHINES FOR SUGAR

C 13 JEXTRACTION OF SUGAR FROM MOLASSES

C 13 KGLUCOSE; INVERT SUGAR; LACTOSE; MALTOSE; SYNTHESIS OF SUGARS BY HYDROLYSIS OF DI- OR POLYSACCHARIDES (carbohydrate syrups in foods or foodstuffs A 23 L 1/09; chemical synthesis other than by hydrolysis of di- or polysaccharides C 07 H; fermentation or enzyme-using processes C 12 P 19/00)