C11 ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
Description
C11 encompasses the extraction, production, processing, and refining of natural lipids from animal and plant sources, including crude oils, fats, waxes, and their derived fatty acids. It covers detergent manufacturing from these materials and candle production, spanning both traditional rendering processes and modern industrial chemical transformations. The class includes technologies for purification, modification, and formulation of these substances for commercial and consumer applications across food, cosmetic, pharmaceutical, and industrial sectors.
Filing statistics
CPC C11 recorded 113,551 patent applications worldwide between 2013 and 2023, summed across its 3 subclasses. Annual filings declined from 8,370 in 2013 to 7,352 in 2023 (-12%), peaking at 13,999 applications in 2017. The most active applicants in class C11 are P&G (PROCTER & GAMBLE COMPANY) (6,498 applications), HENKEL (3,445 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (2,409 applications).
Source: EPO PATSTAT, worldwide filings
3 direct subcodes
Child Classifications
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- C11B 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 (drying-oils C09F)
- C11C FATTY ACIDS FROM FATS, OILS OR WAXES; CANDLES; FATS, OILS OR FATTY ACIDS BY CHEMICAL MODIFICATION OF FATS, OILS, OR FATTY ACIDS OBTAINED THEREFROM
- C11D DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
Top Applicants
Top 10 applicants by patent filings, 2013–2023, worldwide · Source: EPO PATSTAT
- P&G (PROCTER & GAMBLE COMPANY) US 6,498
- HENKEL DE 3,445
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,409
- ECOLAB US 1,614
- NOVOZYMES DK 1,609
- UNILEVER NL 1,468
- UNILEVER IP HOLDINGS NL 1,246
- CONOPCO, INC., D/B/A UNILEVER US 1,048
- UNILEVER GB 1,039
- FIRMENICH CH 964