U.S. 7,868,076 B2
Rhodia Chimie has been granted a patent for an aqueous paint composition comprised of a mixture of an aqueous paint; a colloidal dispersion of a cerium compound comprised of a water-soluble or water-dispersible polymer in complexation with cerium and obtained by polymerizing at least one monomer corresponding to an ethylenically unsaturated, linear or branched, aliphatic, cyclic or aromatic monocarboxylic or polycarboxylic acid, or anhydride; and, optionally, a monomer corresponding to a polyoxyalkylenated ester of an ethylenically unsaturated carboxylic acid; or obtained from the polymerization of at least one ethylenically unsaturated, linear or branched, aliphatic, cyclic or aromatic, monocarboxylic or polycarboxylic acid, or anhydride; and a base.