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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 12612502 B1

PDFFull Text
Date of Patent:
Apr. 28, 2026

Filed:

Jun. 25, 2021

Adhesive treatment liquid, and method for treating adhesive

Applicant:

Nitto Denko Corporation, Ibaraki, JP;

Inventors:

Akiyoshi Yamamoto, Ibaraki, JP;

Takayuki Nomura, Ibaraki, JP;

Takeshi Nishibe, Ibaraki, JP;

Yosuke Yamada, Ibaraki, JP;

Assignee:

NITTO DENKO CORPORATION, Ibaraki, JP;

Attorney:

WHDA, LLP

Primary Examiner:

William D Young

Int. Cl.
CPC ...
C08J 11/08 (2006.01); C09J 7/38 (2018.01); C09J 133/02 (2006.01); C11D 7/06 (2006.01); C11D 7/50 (2006.01);
U.S. Cl.
CPC ...
C08J 11/08 (2013.01); C09J 7/385 (2018.01); C09J 133/02 (2013.01); C11D 7/06 (2013.01); C11D 7/5022 (2013.01); C08J 2333/02 (2013.01); C09J 2301/302 (2020.08); C09J 2301/502 (2020.08); C09J 2433/00 (2013.01);
Abstract

Provided are a pressure-sensitive adhesive treatment liquid, which can easily remove various kinds of pressure-sensitive adhesives, and a pressure-sensitive adhesive treatment method by which the various kinds of pressure-sensitive adhesives are easily removed. For example, when a pressure-sensitive adhesive tape including a base material and a pressure-sensitive adhesive is used as a treatment object, there are provided a pressure-sensitive adhesive treatment liquid, which can easily separate the base material and various kinds of pressure-sensitive adhesives from each other, and a pressure-sensitive adhesive treatment method by which the base material and the various kinds of pressure-sensitive adhesives are easily separated from each other. A pressure-sensitive adhesive treatment liquid according to an embodiment of the present invention is a treatment liquid for a pressure-sensitive adhesive, and includes a liquid having a Hansen solubility parameter value of 31 or less, and an alkaline compound. The concentration of the alkaline compound is from 0.001 wt % to 20 wt %.

Find Patent Forward Citations

Yamamoto, Akiyoshi. (2026). Adhesive treatment liquid, and method for treating adhesive (U.S. Patent No. 12612502). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12612502

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

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