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:
Jan. 19, 2021
Filed:
Mar. 04, 2019
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Ryo Kanno, Ibaraki, JP;
Kiyoe Shigetomi, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/00 (2018.01); C09J 7/38 (2018.01); C09J 133/04 (2006.01);
U.S. Cl.
CPC ...
C09J 7/385 (2018.01); C09J 133/04 (2013.01); C09J 2203/318 (2013.01); C09J 2203/326 (2013.01); C09J 2301/414 (2020.08); C09J 2433/00 (2013.01); C09J 2483/00 (2013.01);
Abstract
Provided is a pressure-sensitive adhesive composition including: an acrylic polymer (A) having a glass transition temperature lower than 0 C.°; and a polymer (B) containing, as monomer units, both a monomer (B1) having a polyorganosiloxane skeleton and a monomer (B2) whose homopolymer has a glass transition temperature of 40 C.° or higher. The acrylic polymer (A) contains, as a monomer unit, at least one monomer selected from the group consisting of N-vinyl cyclic amides represented by the following general formula (M1): wherein Ris a divalent organic group.