Patent ID: 7868076

Claim:
An aqueous paint composition comprising a mixture of: (1) an aqueous paint; (2) a colloidal dispersion of a cerium compound comprising a water-soluble or water-dispersible polymer (i) in complexation with cerium and obtained by polymerizing at least one monomer (I) corresponding to: (I): an ethylenically unsaturated, linear or branched, aliphatic, cyclic or aromatic monocarboxylic or polycarboxylic acid, or anhydride; and, optionally, a monomer (II) corresponding to: (II): 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 (3) a base.