IPC Subgroup
C11B 3/12 by distillation
Introduced: September 1968
Last revised: January 2006
Full Title
Refining fats or fatty oils > by distillation
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- Subclass:
- PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
1 direct subcode
Child Classifications
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- C11B 3/14 with the use of indifferent gases or vapours, e.g. steam