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:
Dec. 09, 2025
Filed:
Jul. 28, 2020
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Ibaraki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09J 7/38 (2018.01); C09J 11/06 (2006.01); C09J 201/06 (2006.01);
U.S. Cl.
CPC ...
C09J 7/38 (2018.01); C09J 11/06 (2013.01); C09J 201/06 (2013.01); C09J 2301/302 (2020.08); C09J 2301/416 (2020.08); C09J 2400/143 (2013.01);
Abstract
Provided is a photo-crosslinkable PSA comprising a polymer having side-chain benzophenone structures. The photo-crosslinkable PSA is a cured product of a PSA composition comprising an ethylenically unsaturated compound and a benzophenone structure-containing component. The photo-crosslinkable PSA has VOC emissions of 500 μg/g or less. Also provided is a PSA sheet having a PSA layer formed from the photo-crosslinkable PSA.