DIFF Subgroup
C11D 1/08 Polycarboxylic acids containing no nitrogen or sulfur
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent > Anionic compounds > Carboxylic acids or salts thereof > Polycarboxylic acids containing no nitrogen or sulfur
CPC:
Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent > Anionic compounds > Carboxylic acids or salts thereof (soap C11D9/00) > Polycarboxylic acids containing no nitrogen or sulfur
No child classifications to compare. This is a leaf node in both IPC and CPC.
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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