US Patent Issued to MITSUI CHEMICALS on Aug. 25 for "Water-dispersible polyisocyanate, aqueous polyurethane resin composition, and article" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,956, issued on Aug. 25, was assigned to MITSUI CHEMICALS INC. (Tokyo).

"Water-dispersible polyisocyanate, aqueous polyurethane resin composition, and article" was invented by Yuta Usui (Shizuoka, Japan), Koji Takamatsu (Shizuoka, Japan), Kazuyuki Fukuda (Ichihara, Japan), Yohei Koyama (Tokyo) and Tatsuya Shibata (Ichihara, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water-dispersible polyisocyanate contains an isocyanate group and a sulfone group. The water-dispersible polyisocyanate contains a reaction product of a polyisocyanate component and a hydrophilic active hydrogen component. The polyisocyanate component contains a bis(isocyanato...