IPC Main Group
C11B 13/00 Recovery of fats, fatty oils or fatty acids from waste materials
Introduced: September 1968
Last revised: January 2006
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
Related Keywords
recovering ESSENTIAL oils from wasterecovering FATS from wasterecovering FATTY OILS from wasterecovery fats or fatty oils from WASTE materials
2 direct subcodes
Child Classifications
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- C11B 13/02 from soap stock
- C11B 13/04 from spent adsorption materials