IPC Subgroup
C07B 63/04 Use of additives
Introduced: January 1985
Last revised: January 2006
Full Title
Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives > Use of additives
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR