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Cationic electrodepositable coating composition comprising lignin

United States Patent

8,497,359
July 30, 2013
View the Complete Patent at the US Patent & Trademark Office
A cationic electrodepositable coating composition is disclosed. The present invention in directed to a cationic electrodepositable coating composition comprising a lignin-containing cationic salt resin, that comprises (A) the reaction product of: lignin, an amine, and a carbonyl compound; (B) the reaction product of lignin, epichlorohydrin, and an amine; or (C) combinations thereof.
Fenn; David (Allison Park, PA), Bowman; Mark P. (New Kensington, PA), Zawacky; Steven R. (Pittsburgh, PA), Van Buskirk; Ellor J. (Pittsburgh, PA), Kamarchik; Peter (Saxonburg, PA)
PPG Industries Ohio, Inc. (Cleveland, OH)
12/ 714,141
20110213057
February 26, 2010
The United States Government may have certain rights to this invention pursuant to Contract No. DE-FC36-05G085004 awarded by the Department of Energy.