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IPC Subgroup
A61K 8/36

Carboxylic acids; Salts or anhydrides thereof

Introduced: January 2006

Full Title

Cosmetics or similar toiletry preparations > characterised by the composition > containing organic compounds > containing oxygen > Carboxylic acids; Salts or anhydrides thereof

Classification Context

Section:
HUMAN NECESSITIES
Class:
MEDICAL OR VETERINARY SCIENCE; HYGIENE
Subclass:
PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES

3 direct subcodes

Child Classifications

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  • A61K 8/362 Polycarboxylic acids
  • A61K 8/365 Hydroxycarboxylic acids; Ketocarboxylic acids
  • A61K 8/368 with carboxyl groups directly bound to carbon atoms of aromatic rings

Top Applicants

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

  1. PHILIPS ELECTRONICS NL 18,523
  2. NOVARTIS CH 14,253
  3. COVIDIEN US 13,953
  4. ROCHE CH 12,005
  5. CHINESE ACADEMY OF SCIENCES 11,955
  6. UNIVERSITY OF CALIFORNIA US 11,692
  7. HARVARD UNIVERSITY US 11,596
  8. L'OREAL FR 11,593
  9. P&G (PROCTER & GAMBLE COMPANY) US 11,297
  10. OLYMPUS CORPORATION JP 9,594