IPC Subgroup
A61K 31/185 Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
Introduced: July 1974
Last revised: January 2006
Full Title
Medicinal preparations containing organic active ingredients > Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- A61K 31/19 Carboxylic acids, e.g. valproic acid
- A61K 31/205 Amine addition salts of organic acids; Inner quaternary ammonium salts, e.g. betaine, carnitine