IPC Main Group
A61P 11/00 Drugs for disorders of the respiratory system
Introduced: January 2000
Last revised: January 2006
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
8 direct subcodes
Child Classifications
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- A61P 11/02 Nasal agents, e.g. decongestants
- A61P 11/04 for throat disorders
- A61P 11/06 Antiasthmatics
- A61P 11/08 Bronchodilators
- A61P 11/1 Expectorants
- A61P 11/12 Mucolytics
- A61P 11/14 Antitussive agents
- A61P 11/16 Central respiratory analeptics
Top Applicants
Top 10 applicants by patent filingsfor class A61, 2013–2023, worldwide · Source: EPO PATSTAT
- PHILIPS ELECTRONICS NL 18,523
- NOVARTIS CH 14,253
- COVIDIEN US 13,953
- ROCHE CH 12,005
- CHINESE ACADEMY OF SCIENCES 11,955
- UNIVERSITY OF CALIFORNIA US 11,692
- HARVARD UNIVERSITY US 11,596
- L'OREAL FR 11,593
- P&G (PROCTER & GAMBLE COMPANY) US 11,297
- OLYMPUS CORPORATION JP 9,594