DIFF Subgroup
C07B 63/02 by treatment giving rise to a chemical modification
Introduced: January 1985
Full Title
Full titles differ between systems:
IPC:
Purification; Separation specially adapted for the purpose of recovering organic compounds; Stabilisation; Use of additives > by treatment giving rise to a chemical modification
CPC:
Purification; Separation (separation of optically-active compounds C07B57/00); Stabilisation; Use of additives > by treatment giving rise to a chemical modification
No child classifications to compare. This is a leaf node in both IPC and CPC.