IPC Subgroup
A61K 31/352 condensed with carbocyclic rings, e.g. cannabinols, methantheline
Introduced: January 2000
Last revised: January 2006
Full Title
Medicinal preparations containing organic active ingredients > Heterocyclic compounds > having oxygen as the only ring hetero atom, e.g. fungichromin > having six-membered rings with one oxygen as the only ring hetero atom > condensed with carbocyclic rings, e.g. cannabinols, methantheline
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
1 direct subcode
Child Classifications
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- A61K 31/353 3,4-Dihydrobenzopyrans, e.g. chroman, catechin