IPC Subgroup
A61K 31/433 Thiadiazoles
Introduced: January 2000
Last revised: January 2006
Full Title
Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins > having five-membered rings with two or more ring hetero atoms, at least one of which is nitrogen, e.g. tetrazole > Thiadiazoles
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES