CPC Subgroup
C11B 5/0071 Full Title
Preserving by using additives, e.g. anti-oxidants
Filing statistics
CPC C11B 5/0071 belongs to the parent subclass C11B, which recorded 32,805 patent applications worldwide between 2013 and 2023. Annual filings grew from 2,019 in 2013 to 2,334 in 2023 (+16%), peaking at 3,734 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
Top Applicants
Top 10 applicants by patent filingsfor class C11, 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