ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,316, issued on Sept. 9, was assigned to DIC Corp. (Tokyo).
"Urethane resin composition and leather sheet" was invented by Ryo Maeda (Osaka, Japan) and Yayi Tseng (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water-containing urethane resin composition that is produced using a biomass raw material and excellent in oleic acid resistance, texture, and liquid mixture stability. A urethane resin composition including: a urethane resin (A) having an anionic group and a nonionic group and produced using as a raw material a polycarbonate polyol (a1) produced using biomass-derived decanediol as a raw material; a nonionic emulsifier (B); and...