DIFF Subgroup
C12P 7/46 Dicarboxylic acids having four or less carbon atoms, e.g. fumaric acid, maleic acid
Introduced: January 1980
Full Title
Preparation of oxygen-containing organic compounds > containing a carboxyl group > Polycarboxylic acids > Dicarboxylic acids having four or less carbon atoms, e.g. fumaric acid, maleic acid
No child classifications to compare. This is a leaf node in both IPC and CPC.