ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,810, issued on March 25, was assigned to Dai Nippon Printing Co. Ltd. (Tokyo).
"Decorative sheet, and decorative plate" was invented by Masataka Wada (Tokyo), Toshinaru Kayahara (Tokyo), Jin Arakida (Tokyo) and Risa Yoshinami (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Specifically, the present invention provides a decorative sheet comprising a laminate, the laminate comprising at least a base material sheet and a first surface-protecting layer in sequence in the thickness direction; (1) the first surface-protecting layer comprising an ionizing radiation-curable resin containing two kinds of aliphatic urethane acrylates, i.e., resin A and...