CPC Subgroup
A61K 31/74 Synthetic polymeric materials
Full Title
Medicinal preparations containing organic active ingredients > Synthetic polymeric materials
6 direct subcodes
Child Classifications
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- A61K 31/745 Polymers of hydrocarbons
- A61K 31/755 Polymers containing halogen
- A61K 31/765 Polymers containing oxygen
- A61K 31/785 Polymers containing nitrogen
- A61K 31/795 Polymers containing sulfur
- A61K 31/80 Polymers containing hetero atoms not provided for in groups A61K31/755 - A61K31/795
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