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IPC Subgroup
A61K 6/15

Compositions characterised by their physical properties

Introduced: January 2020

Full Title

Preparations for dentistry > Compositions characterised by their physical properties

Classification Context

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

4 direct subcodes

Child Classifications

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  • A61K 6/16 Refractive index
  • A61K 6/17 Particle size
  • A61K 6/18 causing dental retraction, e.g. compositions for widening the sulcus for making dental impressions or removing teeth
  • A61K 6/19 Self-expanding, e.g. for filling teeth

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