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:
Nov. 09, 2021
Filed:
Oct. 05, 2018
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Kenta Jozuka, Ibaraki, JP;
Naoaki Higuchi, Ibaraki, JP;
Kenji Furuta, Ibaraki, JP;
Naohiro Kato, Ibaraki, JP;
Yasushi Buzojima, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 133/08 (2006.01); C09J 7/38 (2018.01); C08F 220/18 (2006.01); C09J 133/10 (2006.01); C09J 133/12 (2006.01); C09J 11/08 (2006.01); C09J 133/00 (2006.01);
U.S. Cl.
CPC ...
C09J 133/08 (2013.01); C08F 220/18 (2013.01); C09J 7/385 (2018.01); C09J 11/08 (2013.01); C09J 133/00 (2013.01); C09J 133/10 (2013.01); C09J 133/12 (2013.01); C09J 2203/326 (2013.01); C09J 2433/00 (2013.01);
Abstract
The present invention provides an acrylic PSA composition. The acrylic PSA composition comprises an acrylic polymer as its base polymer and at least one species selected among tackifier resins and (meth)acrylic oligomers. The acrylic polymer has a weight average molecular weight higher than 70×10. The acrylic polymer has a dispersity (Mw/Mn) below 15.