IPC Subgroup
A61K 31/135 having aromatic rings, e.g. methadone
Introduced: July 1974
Last revised: January 2006
Full Title
Medicinal preparations containing organic active ingredients > Amines, e.g. amantadine > having aromatic rings, e.g. methadone
Classification Context
- Section:
- HUMAN NECESSITIES
- Class:
- MEDICAL OR VETERINARY SCIENCE; HYGIENE
- Subclass:
- PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
3 direct subcodes
Child Classifications
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- A61K 31/136 having the amino group directly attached to the aromatic ring, e.g. benzeneamine
- A61K 31/137 Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine
- A61K 31/138 Aryloxyalkylamines, e.g. propranolol, tamoxifen, phenoxybenzamine