Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
A61K 31/167

having the nitrogen of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol

Full Title

Medicinal preparations containing organic active ingredients > Amides, e.g. hydroxamic acids > having aromatic rings, e.g. colchicine, atenolol, progabide > having the nitrogen of a carboxamide group directly attached to the aromatic ring, e.g. lidocaine, paracetamol

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