PPG Patents Electrodepositable Coating

April 6, 2010

Patent No. U.S. 7,497,935 B2
PPG Industries has been granted a patent for a process for coating an electroconductive substrate comprised of  electrophoretically depositing on the substrate a curable electrodepositable coating composition to form an electrodeposited coating over at least a portion of the substrate. The electrodepositable coating composition is comprised of a resinous phase dispersed in an aqueous medium, the resinous phase is comprised of one or more ungelled, active hydrogen-containing ionic salt group-containing resins, which are electrodepositable on an electrode; one or more curing agents; one or more metal deactivators; and curing the coated substrate.