IPC Subgroup
C11B 3/04 with acids
Introduced: September 1968
Last revised: January 2006
Full Title
Refining fats or fatty oils > by chemical reaction > with acids
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