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Kansai patents starch-based coating

Published November 10, 2011
Patent No. U.S. 7,838,592 B2

Kansai Paint Co. has been granted a patent for a starch-based coating composition comprised of a naturally derived resin and a resin composition obtained by reacting a starch and/or a starch that has been esterified, etherified, oxidized, acid treated or dextrinated or modified by comprising one or more groups selected from the group consisting of aliphatic saturated hydrocarbon groups, aliphatic unsaturated hydrocarbon groups, and aromatic hydrocarbon groups, which are bonded by ester bonds and/or ether bonds to the starch or to a decomposition product of a starch that has been processed by a low molecularization treatment with an enzyme, acid or oxidizing agent, with a compound containing an isocyanate group obtained by reacting a polyisocyanate compound and a polyhydric alcohol.

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