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:
Dec. 26, 2017
Filed:
May. 09, 2014
Applicant:
Mitsui Chemicals, Inc., Minato-ku, Tokyo, JP;
Inventors:
Kenichi Fukukawa, Tokyo, JP;
Masaki Okazaki, Chiba, JP;
Yoshihiro Sakata, Ichikawa, JP;
Tatsuhiro Urakami, Ichihara, JP;
Atsushi Okubo, Itabashi, JP;
Assignee:
MITSUI CHEMICALS, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 77/06 (2006.01); C08G 69/26 (2006.01); C09D 179/08 (2006.01); C08G 73/10 (2006.01); C08K 3/00 (2006.01); C08G 69/48 (2006.01); C08J 5/18 (2006.01); C09D 177/06 (2006.01);
U.S. Cl.
CPC ...
C08G 69/26 (2013.01); C08G 69/48 (2013.01); C08G 73/1042 (2013.01); C08G 73/1053 (2013.01); C08G 73/1064 (2013.01); C08G 73/1082 (2013.01); C08J 5/18 (2013.01); C08K 3/0033 (2013.01); C08L 77/06 (2013.01); C09D 177/06 (2013.01); C09D 179/08 (2013.01); C08J 2377/06 (2013.01); C08J 2379/08 (2013.01);
Abstract
Provided is a polyimide excellent in heat resistance and colorless transparency and also excellent in flexibility and ultraviolet ray transmittance. The polyimide includes a structural unit represented by Formula (1a) and a structural unit represented by Formula (1b) wherein R is a specific aromatic group.