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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 9422462 B1

PDFFull Text
Date of Patent:
Aug. 23, 2016

Filed:

May. 28, 2012

Adhesive sheet

Applicants:

Takeshi Saito, Shibukawa, JP;

Tomomichi Takatsu, Shibukawa, JP;

Inventors:

Takeshi Saito, Shibukawa, JP;

Tomomichi Takatsu, Shibukawa, JP;

Assignee:

DENKA COMPANY LIMITED, Tokyo, JP;

Attorney:

Stein IP, LLC

Primary Examiner:

Ramsey Zacharia

Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/22 (2006.01); B32B 27/30 (2006.01); C09J 7/02 (2006.01); C09J 133/06 (2006.01); C09J 133/08 (2006.01); H01L 21/683 (2006.01); C08L 33/08 (2006.01); C08K 5/00 (2006.01); C08K 5/11 (2006.01); C08K 5/12 (2006.01);
U.S. Cl.
CPC ...
C09J 7/0278 (2013.01); C09J 7/0246 (2013.01); C09J 133/08 (2013.01); H01L 21/6836 (2013.01); B32B 27/08 (2013.01); B32B 27/22 (2013.01); B32B 27/30 (2013.01); C08K 5/0016 (2013.01); C08K 5/11 (2013.01); C08K 5/12 (2013.01); C08L 33/08 (2013.01); C08L 2205/02 (2013.01); C09J 133/062 (2013.01); C09J 2201/622 (2013.01); C09J 2203/326 (2013.01); C09J 2205/106 (2013.01); C09J 2427/006 (2013.01); C09J 2433/00 (2013.01); H01L 2221/68327 (2013.01); Y10T 428/2891 (2015.01);
Abstract

An adhesive sheet of the invention includes a substrate and an adhesive composition laminated thereon, the substrate including polyvinyl chloride and a polyester-based plasticizer, wherein the adhesive composition includes two different (meth)acrylate copolymer components (A) and (B) in a mass ratio ranging from 10:90 to 90:10, wherein a content of a cross-linking agent which reacts with functional groups of the component (A) and the component (B) is in a range of 0.5 to 20 mass parts with respect to 100 mass parts of a sum of the component (A) and the component (B), and wherein 10 to 95 mass % of the monomer unit composing the component (A) is 2-ethylhexyl acrylate, and 10 to 95 mass % of the monomer unit composing the component (B) is butyl acrylate.

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