IPC Subgroup
A61K 31/616 by carboxylic acids, e.g. acetylsalicylic acid
Introduced: January 2000
Last revised: January 2006
Full Title
Medicinal preparations containing organic active ingredients > Salicylic acid; Derivatives thereof > having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid > by carboxylic acids, e.g. acetylsalicylic acid
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES