IPC Subgroup
C07D 201/16 Separation or purification
Introduced: July 1974
Last revised: January 2006
Full Title
Preparation, separation, purification, or stabilisation of unsubstituted lactams > Separation or purification
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- HETEROCYCLIC COMPOUNDS