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. 04, 2016
Filed:
Aug. 20, 2013
Applicant:
Tokyo Ohka Kogyo Co., Ltd., Kawasaki-shi, JP;
Inventors:
Kunihiro Noda, Kawasaki, JP;
Hiroki Chisaka, Kawasaki, JP;
Dai Shiota, Kawasaki, JP;
Kazuya Someya, Kawasaki, JP;
Assignee:
Tokyo Ohka Kogyo Co., Ltd., Kawasaki-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/26 (2006.01); C09D 179/08 (2006.01); C08L 79/08 (2006.01); G02F 1/1337 (2006.01); C08G 73/10 (2006.01);
U.S. Cl.
CPC ...
C09D 179/08 (2013.01); C08G 69/26 (2013.01); C08G 73/1028 (2013.01); C08G 73/1032 (2013.01); C08L 79/08 (2013.01); C08G 73/1067 (2013.01); C08L 2666/20 (2013.01); G02F 1/133723 (2013.01);
Abstract
A polyimide resin produced by heating a polyamic acid resulting from the reaction of a tetracarboxylic acid dianhydride component and a diamine component in N,N,N',N′-tetramethylurea.