Urethane Resin Composition

August 9, 2005

Urethane Resin Composition
l Patent No. U.S. 6,218,500 B1
Tennant Co., Minneapolis, MN, has been awarded a U.S. patent covering a urethane resin composition. The composition is comprised of greater than 55% by weight of primary amine-terminated urethane oligomers free of—NCON—R1—NOCN—linkages between isocyanate groups, where R1 is a hydrocarbon moiety and free of crosslinking between a terminal amine and an isocyanate linkage, the composition being substantially free of ketones and the composition comprising less than 10% by mole equivalent or carboxylate groups of volatile

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