CPC Subgroup
A61K 33/24 Heavy metals; Compounds thereof
Full Title
Medicinal preparations containing inorganic active ingredients > Heavy metals; Compounds thereof
12 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- A61K 33/241 Lead; Compounds thereof
- A61K 33/242 Gold; Compounds thereof
- A61K 33/243 Platinum; Compounds thereof
- A61K 33/244 Lanthanides; Compounds thereof (medicinal preparations containing radioactive lanthanides for use in therapy or testing in vivo A61K51/00)
- A61K 33/245 Bismuth; Compounds thereof
- A61K 33/26 Iron; Compounds thereof
- A61K 33/28 Mercury; Compounds thereof
- A61K 33/30 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 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