IPC Subgroup
A61K 33/04 Sulfur, selenium or tellurium; Compounds thereof
Introduced: July 1974
Last revised: January 2006
Full Title
Medicinal preparations containing inorganic active ingredients > Sulfur, selenium or tellurium; Compounds thereof
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES