ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,710, issued on April 15, was assigned to Asahi Kasei K.K. (Tokyo).
"Compound, curing agent composition, resin composition, coating composition and resin cured product" was invented by Nobuhisa Miyake (Tokyo), Masakazu Yamauchi (Tokyo), Hiroshi Inada (Tokyo), Yusuke Ebe (Tokyo) and Masaaki Shinohata (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compound having an uretonimine group contains, as a structural unit, a carbodiimide compound derived from at least one of an aliphatic diisocyanate and an aromatic diisocyanate, and also contains an isocyanate compound as a structural unit, wherein the residue obtained by removing an isocyanate group ...