| IPC 7 English version |
| Class C13 |
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| SECTION C – CHEMISTRY; METALLURGY |
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| C 13 | SUGAR INDUSTRY (polysaccharides, e.g. starch, derivatives thereof C08B; malt C12C) [4] |
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| Note |
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| Processes using enzymes or micro-organisms in order to: |
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| (i) | liberate, separate or purify a pre-existing compound or composition, or to |
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| (ii) | treat textiles or clean solid surfaces of materials |
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| are further classified in subclass C12S. [5] |
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| C 13 C | CUTTING MILLS; SHREDDING KNIVES; PULP PRESSES |
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| C 13 D | PRODUCTION OR PURIFICATION OF SUGAR JUICES |
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| C 13 F | PREPARATION OR PROCESSING OF RAW SUGAR, SUGAR, OR SYRUP |
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| C 13 G | EVAPORATION APPARATUS; BOILING PANS |
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| C 13 H | CUTTING MACHINES FOR SUGAR; COMBINED CUTTING, SORTING AND PACKING MACHINES FOR SUGAR |
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| C 13 J | EXTRACTION OF SUGAR FROM MOLASSES |
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| C 13 K | GLUCOSE; INVERT SUGAR; LACTOSE; MALTOSE; SYNTHESIS OF SUGARS BY HYDROLYSIS OF DI- OR POLYSACCHARIDES (carbohydrate syrups in foods or foodstuffs A23L 1/09; chemical synthesis other than by hydrolysis of di- or polysaccharides C07H; fermentation or enzyme-using processes C12P 19/00) |
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