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:
Nov. 13, 2018
Filed:
Oct. 13, 2015
Applicant:
Tosoh Corporation, Shunan-shi, JP;
Inventors:
Assignee:
TOSOH CORPORATION, Shunan-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/13363 (2006.01); C08L 33/02 (2006.01); C08L 35/00 (2006.01); C08L 1/28 (2006.01); C08J 5/18 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3083 (2013.01); C08J 5/18 (2013.01); C08L 1/28 (2013.01); C08L 33/02 (2013.01); C08L 35/00 (2013.01); G02F 1/13363 (2013.01); C08J 2301/28 (2013.01); C08J 2333/02 (2013.01); C08J 2335/00 (2013.01); C08J 2433/02 (2013.01); C08J 2435/00 (2013.01); C08L 2201/10 (2013.01); C08L 2203/16 (2013.01);
Abstract
A resin composition suitable for an optical compensation film, an optical compensation film using the same, which is excellent in the retardation characteristics and wavelength dispersion characteristics, and a production method of an optical compensation film. A resin composition containing, as resin components, from 30 to 99 wt % of a cellulose-based resin represented by the following formula (1) and from 1 to 70 wt % of a cinnamic acid ester copolymer: