Patent ID: 8192603

Claim:
An aqueous coating composition comprising a metal oxide selected from the group consisting of bismuth oxide, vanadium oxide, manganese oxide, cobalt oxide, zinc oxide, strontium oxide, yttrium oxide, molybdenum oxide, zirconium oxide, lanthanum oxide, oxides of the lanthanide series of elements and combinations thereof and an electrodepositable binder, the binder comprising resin or resins comprising: (a) a phosphorous-containing group in which X is a hydrogen, a monovalent hydrocarbon, or an oxygen atom having a single covalent bond to the phosphorous atom, and each oxygen atom has a covalent bond to a hydrogen atom, an alkyl group, an aryl group, an alkylaryl group, an arylalkyl group, or the resin or one of the resins, with the caveat that at least one oxygen atom has a covalent bond to the resin or one of the resins; (b) a carboxylate group separated by from 2 to 4 carbons from an ester group; and (c) a tridentate amine ligand.