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DIFF Subgroup
A61K 6/864

Phosphate cements (apatite A61K6/838)

Introduced: January 2020

Title

Titles differ between systems:

IPC: Phosphate cements

CPC: Phosphate cements (apatite A61K6/838)

Full Title

Full titles differ between systems:

IPC:

Preparations for dentistry > Preparations for artificial teeth, for filling teeth or for capping teeth > comprising inorganic cements > Phosphate cements

CPC:

Preparations for dentistry > Preparations for artificial teeth, for filling teeth or for capping teeth > comprising inorganic cements > Phosphate cements (apatite A61K6/838)

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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