IPC Subgroup
A61K 33/24 Heavy metals; Compounds thereof
Introduced: July 1974
Last revised: January 2019
Full Title
Medicinal preparations containing inorganic active ingredients > Heavy metals; Compounds thereof
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
12 direct subcodes
Child Classifications
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- A61K 33/241 Lead; Compounds thereof
- A61K 33/242 Gold; Compounds thereof
- A61K 33/243 Platinum; Compounds thereof
- A61K 33/244 Lanthanides; Compounds thereof
- A61K 33/245 Bismuth; Compounds thereof
- A61K 33/26 Iron; Compounds thereof
- A61K 33/28 Mercury; Compounds thereof
- A61K 33/3 Zinc; Compounds thereof
- A61K 33/32 Manganese; Compounds thereof
- A61K 33/34 Copper; Compounds thereof
- A61K 33/36 Arsenic; Compounds thereof
- A61K 33/38 Silver; Compounds thereof
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