IPC Subgroup
C07C 227/4 Separation; Purification
Introduced: January 1990
Last revised: January 2006
Full Title
Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton > Separation; Purification; Stabilisation; Use of additives > Separation; Purification
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- ORGANIC CHEMISTRY
- Subclass:
- ACYCLIC OR CARBOCYCLIC COMPOUNDS
1 direct subcode
Child Classifications
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- C07C 227/42 Crystallisation