IPC Main Group
C11D 19/00 Recovery of glycerol from a saponification liquor
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:
- DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
Related Keywords
recovering GLYCEROL from soap-makingrecovering glycerol from SAPONIFICATION liquors
Top Applicants
Top 10 applicants by patent filingsfor class C11, 2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 5,930
- HENKEL DE 3,288
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,162
- ECOLAB US 1,454
- UNILEVER NL 1,430
- NOVOZYMES DK 1,366
- UNILEVER IP HOLDINGS NL 1,227
- CONOPCO, INC., D/B/A UNILEVER US 1,022
- KAO CORPORATION 947
- KAO CORPORATION JP 853