Patent No. U.S. 6,559,265 B2

August 11, 2005

Patent No. U.S. 6,559,265 B2
PPG Industries has received a patent for a curable polyurethane material. The polyurethane is comprised of at least one polyisocyanate, at least one active hydrogen-containing material, at least one polyoxyalkylene polyamine, at least one material having at least one primary or secondary amino group and at least one hydroxyl group and at least one acid functional material or anhydride having a functional group reactive with isocyanate or hydroxyl groups of other components from which the polyurethane material is formed, wherein the curable polyurethane material contains reactive functional groups which are capable of reacting to form a crosslinked network.

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