ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,346, issued on Sept. 16, was assigned to TOPPAN INC. (Tokyo).
"Decorative sheet and method for producing the same" was invented by Koichi Sagawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Decorative sheets used for decorative materials, such as for general fittings, and methods for producing, and prevents discoloration due to contact between chlorine and silver, including at least a polyvinyl chloride resin layer, a pattern layer, and a surface protective layer, the surface protective layer contains silver components including silver and is free from chlorine-containing components. The surface protective layer may be composed of a plural...