U.S. 7,868,066 B2
PPG Industries has been granted a patent for a coating comprised of a modified epoxy resin comprised of the reaction product of rosin and a dienophile comprised of a carboxylic group and/or an anhydride group, further reacted with an epoxy resin, the coating further comprised of a curing agent for the modified epoxy resin, wherein the coating is not a cationic electrodeposition coating.
PPG patents aqueous dispersion and coating
Published April 13, 2012
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