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:
Jun. 27, 2017
Filed:
Sep. 25, 2014
Applicant:
Dic Corporation, Tokyo, JP;
Inventors:
Assignee:
DIC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/02 (2006.01); G02B 1/04 (2006.01); C08L 67/02 (2006.01); C08L 69/00 (2006.01); G02B 1/14 (2015.01); G02F 1/1335 (2006.01); C08G 64/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/04 (2013.01); C08L 67/02 (2013.01); C08L 69/00 (2013.01); G02B 1/14 (2015.01); G02F 1/133528 (2013.01);
Abstract
For providing a resin composition for an optical material which exhibits less change in birefringence due to external force and which is suitable for use in the production of an optical member; an optical film obtained by using the resin composition; and a liquid crystal display device using the same, provided is a resin composition containing a polycarbonate resin (X); and a polyester resin (Y) whose number average molecular weight is 200 to 2,000 and which is represented by General Formula (1): B-(G-A)-G-B (wherein B represents an aryl monocarboxylic acid residue having 6 to 12 carbon atoms or an aliphatic monocarboxylic acid residue having 1 to 8 carbon atoms.