2-quinolone azomethine copper complex pigments

Abstract From the Canadian patent

A compound having the formula or , I IA, wherein A denotes an optionally substituted aromatic isocyclic or heterocyclic residue; R is H an alkyl residue, having from 1 to 6 carbon atoms an aryl residue having from, 6 to 10 carbon atoms or an aralkyl residue having from 7 to 10 carbon atoms; Q is H or a methyl group; X and Y are the same or different and each is a non-water solublising group, or X and Y together form a fused aromatic ring system; and R1 and R2 are the same or different and each is H or an alkyl radical having from 1 to 22 carbon atoms and R3 is, hydrogen, an alkyl radical having from 1 to 22 carbon atoms or an aryl radical having from 6 to 10 carbon atoms the, alkyl radicals …