Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
A61K 6/15

Compositions characterised by their physical properties

Full Title

Preparations for dentistry > Compositions characterised by their physical properties

4 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • 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 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