Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
A61K 6/887

Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

Full Title

Preparations for dentistry > Preparations for artificial teeth, for filling teeth or for capping teeth > comprising natural or synthetic resins > Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds

1 direct subcode

Child Classifications

Navigate with arrow keys, Enter to open

  • A61K 6/889 Polycarboxylate cements; Glass ionomer cements

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