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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 9487685 B1

PDFFull Text
Date of Patent:
Nov. 08, 2016

Filed:

Oct. 12, 2012

Adhesive for polarizing plate and polarizing plate including the same

Applicant:

Lg Chem, Ltd., Seoul, KR;

Inventors:

Eun-Mi Seo, Daejeon-si, KR;

Eun-Soo Huh, Daejeon-si, KR;

Nam-Jeong Lee, Daejeon-si, KR;

Hwa-Sub Shim, Daejeon-si, KR;

Kyun-II Rah, Daejeon-si, KR;

Jun-Wuk Park, Daejeon-si, KR;

Jee-Hyon Min, Gyeonggi-do, KR;

Yi-Rang Lim, Daejeon-si, KR;

Assignee:

LG Chem, Ltd., Seoul, KR;

Attorney:

Dentons US LLP

Primary Examiner:

Gwendolyn Blackwell

Assistant Examiner:

Eli D Strah

Int. Cl.
CPC ...
C09J 163/00 (2006.01); C09J 163/10 (2006.01); G02F 1/01 (2006.01); C08G 59/22 (2006.01); C08G 59/68 (2006.01); C08G 65/20 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
C09J 163/00 (2013.01); C08G 59/226 (2013.01); C08G 59/68 (2013.01); C08G 65/20 (2013.01); C09J 163/10 (2013.01); G02F 1/0107 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); C08L 2205/02 (2013.01); G02B 5/3033 (2013.01); Y10T 428/1073 (2015.01); Y10T 428/31515 (2015.04);
Abstract

The present invention relates to an adhesive composition including 100 parts by weight of a first epoxy compound having a glass transition temperature of a homopolymer of not less than 120° C., 30 parts by weight to 100 parts by weight of a second epoxy compound having a glass transition temperature of a homopolymer of not more than 60° C., and 0.5 parts by weight to 20 parts by weight of a cationic photopolymerization initiator, and a polarizing plate using the same.

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