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:
Jul. 31, 2018
Filed:
Jun. 26, 2013
Applicant:
Kaneka Corporation, Osaka-shi, Osaka, JP;
Inventors:
Assignee:
KANEKA CORPORATION, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/18 (2006.01); G02B 1/04 (2006.01); C08L 33/12 (2006.01); C08L 33/06 (2006.01); C08L 33/08 (2006.01); C08L 33/24 (2006.01); C08F 8/00 (2006.01); C08F 8/32 (2006.01); F21V 8/00 (2006.01);
U.S. Cl.
CPC ...
C08J 5/18 (2013.01); C08F 8/00 (2013.01); C08F 8/32 (2013.01); C08L 33/06 (2013.01); C08L 33/08 (2013.01); C08L 33/12 (2013.01); C08L 33/24 (2013.01); G02B 1/04 (2013.01); G02B 1/041 (2013.01); G02B 1/045 (2013.01); C08F 2810/20 (2013.01); C08J 2333/12 (2013.01); C08J 2351/00 (2013.01); C08J 2433/12 (2013.01); C08J 2451/00 (2013.01); G02B 6/003 (2013.01); G02B 6/0011 (2013.01); Y10T 428/25 (2015.01); Y10T 428/254 (2015.01);
Abstract
Disclosed herein is a non-birefringent resin material that is very small in both orientation birefringence and photoelastic birefringence, has high transparency, and is capable of providing a molded article having few foreign matter defects and a film made of such a material. The non-birefringent resin material contains a resin (A) and a polymer (B) and has an orientation birefringence of −1.7×10to 1.7×10and a photoelastic constant of −4×10to 4×10Pa.