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IPC Subgroup
C11D 7/16

Phosphates including polyphosphates

Introduced: September 1968

Last revised: January 2006

Full Title

Compositions of detergents based essentially on non-surface-active compounds > Inorganic compounds > Water-soluble compounds > Salts > Phosphates including polyphosphates

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

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