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IPC Subgroup
C11D 1/38

Cationic compounds

Introduced: September 1968

Last revised: January 2006

Full Title

Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent > Cationic compounds

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

14 direct subcodes

Child Classifications

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  • C11D 1/4 Monoamines or polyamines; Salts thereof
  • C11D 1/46 Esters of carboxylic acids with amino alcohols; Esters of amino carboxylic acids with alcohols
  • C11D 1/48 N-containing polycondensation products
  • C11D 1/5 Derivatives of urea, thiourea, cyanamide, guanidine or urethanes
  • C11D 1/52 Carboxylic amides, alkylolamides or imides
  • C11D 1/54 Hydrazides of carboxylic acids
  • C11D 1/56 containing nitro or nitroso groups
  • C11D 1/58 Heterocyclic compounds
  • C11D 1/6 Sulfonium or phosphonium compounds
  • C11D 1/62 Quaternary ammonium compounds
  • C11D 1/64 of unknown constitution
  • C11D 1/645 Mixtures of compounds all of which are cationic

Top Applicants

Top 10 applicants by patent filingsfor class C11, 2013–2023, worldwide · Source: EPO PATSTAT

  1. P&G (PROCTER & GAMBLE COMPANY) US 5,930
  2. HENKEL DE 3,288
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,162
  4. ECOLAB US 1,454
  5. UNILEVER NL 1,430
  6. NOVOZYMES DK 1,366
  7. UNILEVER IP HOLDINGS NL 1,227
  8. CONOPCO, INC., D/B/A UNILEVER US 1,022
  9. KAO CORPORATION 947
  10. KAO CORPORATION JP 853