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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 12410344 B1

PDFFull Text
Date of Patent:
Sep. 09, 2025

Filed:

Jul. 15, 2022

Water-dispersed pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet

Applicant:

Nitto Denko Corporation, Ibaraki, JP;

Inventors:

Amane Sawamura, Osaka, JP;

Shuhei Yamamoto, Osaka, JP;

Keisuke Shimokita, Osaka, JP;

Hayata Matsumoto, Osaka, JP;

Yasuhito Inai, Osaka, JP;

Assignee:

NITTO DENKO CORPORATION, Ibaraki, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Frank D Ducheneaux

Int. Cl.
CPC ...
C09J 7/38 (2018.01); C08K 5/01 (2006.01); C08K 5/41 (2006.01); C08L 33/06 (2006.01); C08L 33/08 (2006.01); C09J 7/10 (2018.01); C09J 11/08 (2006.01); C09J 133/06 (2006.01); C09J 133/08 (2006.01);
U.S. Cl.
CPC ...
C09J 7/385 (2018.01); C08K 5/01 (2013.01); C08K 5/41 (2013.01); C08L 33/064 (2013.01); C08L 33/08 (2013.01); C09J 7/10 (2018.01); C09J 11/08 (2013.01); C09J 133/064 (2013.01); C09J 133/08 (2013.01); C08L 2205/025 (2013.01); C08L 2205/03 (2013.01); C09J 2301/302 (2020.08); C09J 2301/312 (2020.08); C09J 2433/00 (2013.01);
Abstract

A water-dispersed pressure-sensitive adhesive composition of the present invention includes a water-dispersible polymer, a carboxylic acid copolymer thickener, a polyacrylic acid thickener, and water. A ratio of the carboxylic acid copolymer thickener in the solid content of the water-dispersed pressure-sensitive adhesive composition is 0.1% by mass or more and 1.5% by mass or less. A ratio of the polyacrylic acid thickener in the solid content of the adhesive composition is 1% by mass or more and 3.7% by mass or less. A pressure-sensitive adhesive sheet of the present invention has a pressure-sensitive adhesive layer formed from the water-dispersed pressure-sensitive adhesive composition.

Find Patent Forward Citations

Sawamura, Amane. (2025). Water-dispersed pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet (U.S. Patent No. 12410344). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12410344

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

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