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:
May. 20, 2025
Filed:
Feb. 19, 2019
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/32 (2018.01); C09J 7/25 (2018.01); C09J 7/38 (2018.01);
U.S. Cl.
CPC ...
C09J 7/385 (2018.01); C09J 7/255 (2018.01); C09J 2301/122 (2020.08); C09J 2301/124 (2020.08); C09J 2301/302 (2020.08); C09J 2301/502 (2020.08); C09J 2433/00 (2013.01); C09J 2467/006 (2013.01); Y10S 428/906 (2013.01); Y10T 428/2891 (2015.01);
Abstract
Provided is an adhesive article which requires no separator and exhibits sufficient adhesive force without the need of any operation for adhesive-force development and in which the adhesive layer, even when in contact with itself, can be peeled off at the interface. The adhesive article includes an adhesive body including an adhesive layer, wherein the adhesive layer has a gel content of 5-70%, the adhesive article, through 7-day storage at 40° C., has a change in the gel content of the adhesive layer of −5% to 5%, and surface portions of the adhesive layer are in contact with each other.