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:
Mar. 29, 2016

Filed:

Feb. 27, 2007
Applicants:

Ken-ichi Ueda, Nara, JP;

Shigeo Otome, Kyoto, JP;

Mie Nakata, Osaka, JP;

Yuuki Nakano, Osaka, JP;

Inventors:

Ken-ichi Ueda, Nara, JP;

Shigeo Otome, Kyoto, JP;

Mie Nakata, Osaka, JP;

Yuuki Nakano, Osaka, JP;

Assignees:

NIPPON SHOKUBAI CO., LTD, Osaka-shi, JP;

NITTO DENKO CORPORATION, Ibaraki-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/10 (2015.01); G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
G02B 1/105 (2013.01); G02B 5/3033 (2013.01); B32B 2457/202 (2013.01);
Abstract

Provided is a polarizer protective film, which has high heat resistance, high transparency, high optical characteristics, and high mechanical strength, and is excellent in adhesion with respect to a polarizer. Further, provided are a polarizing plate using such a polarizer protective film and a polarizer, which has high adhesion with respect to the polarizer protective film and the polarizer and is excellent in optical characteristics, and an image display apparatus of high quality using such a polarizing plate. A polarizer protective film according to the present invention includes a (meth)acrylic resin having a lactone ring structure and core-shell type nanoparticles having a core layer made of a rubber polymer and a shell layer made of a glass polymer.


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