US Patent Issued to MITSUI CHEMICALS, DAIKIN INDUSTRIES on July 8 for "Polyurethane resin composition, repellent, water repellent for fibers, and stain-proof coating agent" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,674, issued on July 8, was assigned to MITSUI CHEMICALS INC. (Tokyo) and DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Polyurethane resin composition, repellent, water repellent for fibers, and stain-proof coating agent" was invented by Chikako Kouda (Sodegaura, Japan), Kazuyuki Fukuda (Ichihara, Japan), Daisuke Noguchi (Osaka, Japan) and Keisuke Nakamura (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyurethane resin composition includes a reaction product of an aliphatic polyisocyanate derivative having an average number of isocyanate groups of 2 or more; a long-chain active hydrogen compound including a hydrocarbon group having 12 or m...