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CPC Subgroup
A61K 8/896

containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate

Full Title

Cosmetics or similar toiletry preparations > characterised by the composition > containing organic macromolecular compounds > obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds > Polysiloxanes > containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate

3 direct subcodes

Child Classifications

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  • A61K 8/897 containing halogen, e.g. fluorosilicones
  • A61K 8/898 containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
  • A61K 8/899 containing sulfur, e.g. sodium PG-propyldimethicone thiosulfate copolyol

Top Applicants

Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT

  1. PHILIPS ELECTRONICS NL 20,621
  2. NOVARTIS CH 15,792
  3. ROCHE CH 14,303
  4. COVIDIEN US 13,862
  5. HARVARD UNIVERSITY US 13,454
  6. UNIVERSITY OF CALIFORNIA US 12,798
  7. P&G (PROCTER & GAMBLE COMPANY) US 12,140
  8. L'OREAL FR 11,800
  9. OLYMPUS CORPORATION JP 9,894
  10. BOSTON SCIENTIFIC SCIMED US 9,513