IPC Subgroup
A61K 31/6 Salicylic acid; Derivatives thereof
Introduced: July 1974
Last revised: January 2006
Full Title
Medicinal preparations containing organic active ingredients > Salicylic acid; Derivatives thereof
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
6 direct subcodes
Child Classifications
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- A61K 31/603 having further aromatic rings, e.g. diflunisal
- A61K 31/606 having amino groups
- A61K 31/609 Amides, e.g. salicylamide
- A61K 31/612 having the hydroxy group in position 2 esterified, e.g. salicylsulfuric acid
- A61K 31/618 having the carboxyl group in position 1 esterified, e.g. salsalate
- A61K 31/625 having heterocyclic substituents, e.g. 4-salicyloylmorpholine