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.

Date of Patent:
Jun. 14, 2016

Filed:

Mar. 03, 2011
Applicants:

Reiko Akari, Ibaraki, JP;

Tetsurou Ikeda, Ibaraki, JP;

Masashi Shinagawa, Ibaraki, JP;

Yoshifumi Asahara, Ibaraki, JP;

Inventors:

Reiko Akari, Ibaraki, JP;

Tetsurou Ikeda, Ibaraki, JP;

Masashi Shinagawa, Ibaraki, JP;

Yoshifumi Asahara, Ibaraki, JP;

Assignee:

NITTO DENKO CORPORATION, Ibaraki-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02F 1/133528 (2013.01); B32B 2457/202 (2013.01); C09J 2203/318 (2013.01); G02B 5/3025 (2013.01); G02F 2201/54 (2013.01); G02F 2202/28 (2013.01); Y10T 428/1041 (2015.01); Y10T 428/1059 (2015.01);
Abstract

An object of the invention is to provide an adhesive for a polarizing plate that has high adhering strength, makes it possible to prevent a reduction in the light transmittance of a polarizing plate and to suppress the occurrence of knicks, and is less likely to cause a reduction in the light transmittance of a polarizing plate even in a humidified environment while having the above characteristics. The invention is directed to an adhesive for a polarizing plate for use in fixing a transparent protective film on at least one side of a polarizer, the adhesive including a resin solution containing a polyvinyl alcohol-based resin and a water-soluble silicate.


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