DIFF Subgroup
C10M 117/10 having more than one carboxyl group bound to a carbon atom of a six-membered aromatic ring
Introduced: January 1985
Full Title
Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof > having more than one carboxyl group bound to a carbon atom of a six-membered aromatic ring
No child classifications to compare. This is a leaf node in both IPC and CPC.