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:
Oct. 31, 2017
Filed:
Nov. 27, 2014
Applicant:
Kaneka Corporation, Osaka-shi, Osaka, JP;
Inventors:
Fuminobu Kitayama, Hyogo, JP;
Haruki Koyama, Osaka, JP;
Assignee:
KANEKA CORPORATION, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 33/24 (2006.01); C08J 5/18 (2006.01); C08L 35/02 (2006.01); C08L 33/26 (2006.01);
U.S. Cl.
CPC ...
C08L 33/24 (2013.01); C08J 5/18 (2013.01); C08L 33/26 (2013.01); C08L 35/02 (2013.01); C08J 2333/24 (2013.01); C08J 2333/26 (2013.01); C08J 2335/02 (2013.01); C08J 2433/12 (2013.01); C08J 2433/26 (2013.01); C08J 2435/02 (2013.01); C08J 2451/00 (2013.01); C08L 2201/10 (2013.01); C08L 2205/03 (2013.01);
Abstract
Disclosed herein are an optical resin composition whose orientation birefringence and photoelastic birefringence are both very low and which has high transparency and which provides a film having few surface defects, high heat stability, high solvent resistance, and excellent surface appearance, and a film comprising the optical resin composition. The optical resin composition comprises: a resin (A) having a maleimide unit represented by the formula (5) and a (meth)acrylic ester unit; and a glutarimide acrylic resin (B). The resin composition may further comprise multi-layered particles.