CPC Subgroup
A61L 27/50 Materials characterised by their function or physical properties
Full Title
Materials for prostheses or for coating prostheses (dental prostheses A61C13/00; shape or structure of prostheses A61F2/00; use of preparations for artificial teeth A61K6/80; artificial kidneys A61M1/14) > Materials characterised by their function or physical properties
8 direct subcodes
Child Classifications
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- A61L 27/52 Hydrogels or hydrocolloids
- A61L 27/54 Biologically active materials, e.g. therapeutic substances
- A61L 27/56 Porous materials,
- A61L 27/58 Materials at least partially resorbable by the body
- A61L 27/60 Materials for use in artificial skin
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 20,621
- NOVARTIS CH 15,792
- ROCHE CH 14,303
- COVIDIEN US 13,862
- HARVARD UNIVERSITY US 13,454
- UNIVERSITY OF CALIFORNIA US 12,798
- P&G (PROCTER & GAMBLE COMPANY) US 12,140
- L'OREAL FR 11,800
- OLYMPUS CORPORATION JP 9,894
- BOSTON SCIENTIFIC SCIMED US 9,513