logo

For the Inventor, By the Inventor

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.:

US 12654428 B1

PDFFull Text
Date of Patent:
Jun. 16, 2026

Filed:

Nov. 22, 2021

Decorative sheet

Applicant:

Toppan Inc., Tokyo, JP;

Inventors:

Toru Okubo, Tokyo, JP;

Daisuke Murata, Tokyo, JP;

Assignee:

TOPPAN INC., Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Callie E Shosho

Assistant Examiner:

Steven A Rice

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 7/12 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01);
U.S. Cl.
CPC ...
B32B 27/08 (2013.01); B32B 7/12 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); B32B 2250/02 (2013.01); B32B 2250/24 (2013.01); B32B 2255/10 (2013.01); B32B 2255/26 (2013.01); B32B 2307/4023 (2013.01); B32B 2307/412 (2013.01); B32B 2307/554 (2013.01); B32B 2307/584 (2013.01);
Abstract

Decorative sheets having improved or even excellent adhesiveness and heat and moisture resistance. A decorative sheet includes at least a substrate layer, an adhesive layer, and a transparent resin layer, which are laminated in this order. The adhesive layer contains a polyester resin and a bisphenol A epoxy resin. The polyester resin contains, as components, phthalic acid, a linear dicarboxylic acid, and an alkylenediol. The polyester resin and the bisphenol A epoxy resin are contained in the adhesive layer in a mass ratio (polyester resin/bisphenol A epoxy resin) of 50/50 to 90/10.

Find Patent Forward Citations

Okubo, Toru. (2026). Decorative sheet (U.S. Patent No. 12654428). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12654428

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…