The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2025
Filed:
Mar. 27, 2023
Toppan Inc., Tokyo, JP;
Koichi Sagawa, Tokyo, JP;
TOPPAN INC., Tokyo, JP;
Abstract
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 plurality of laminated layers that include at least one layer containing the silver components; the laminated layers of the surface protective layer may include at least one layer disposed adjacent to the polyvinyl chloride resin layer and being free from silver components; the silver components may each be supported on an inorganic substance; the surface protective layer may have a cross-linked structure; and the cross-linked structure of the surface protective layer may be formed by use of ultraviolet light or an electron beam.