US Patent Issued to MITSUBISHI GAS CHEMICAL on April 22 for "Polyurethane chain extender, composition for forming polyurethane resin, polyurethane resin, polyurethane resin composition, molded body, and article" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,192, issued on April 22, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Tokyo).

"Polyurethane chain extender, composition for forming polyurethane resin, polyurethane resin, polyurethane resin composition, molded body, and article" was invented by Yuma Ohno (Kanagawa, Japan), Yuka Akai (Kanagawa, Japan), Takuma Hanaoka (Kanagawa, Japan), Kousuke Ikeuchi (Kanagawa, Japan) and Kazuki Kouno (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyurethane chain extender includes an amine compound (X) represented by Formula (1) with a trans-isomer proportion in (X) of 50 mol % or more; a composition for forming a polyurethane-based re...