Patent ID: 6919402

Claim:
An electrocoat coating composition comprising: (a) an aqueous dispersion of a water-dispersible, electrically-depositable, at least partially neutralized anionic resin; (b) a dispersant compound comprising an acrylic backbone having a plurality of anionic groups and a stabilizing substituent, and the stabilizing substituent comprises an alkoxy-terminated polyalkylene oxide of the formula —D(CHR 1 CH 2 O—) n R 2 , wherein D is a divalent radical that is —O— or —NR 3 —, R 3 is H or an alkyl group of from one to twelve carbons, R 1 is hydrogen or an alkyl group of from one to eight carbons, R 2 is an alkyl group of from one to thirty carbons, and n is an integer from one to one thousand, and (c) at least one pigment that is dispersed with the dispersant compound (b).