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:
May. 19, 2014
Applicant:
Chiyoshi Nozaki, Shizuoka, JP;
Inventor:
Chiyoshi Nozaki, Shizuoka, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); C08G 69/28 (2006.01); C08L 77/06 (2006.01); C08L 79/08 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1028 (2013.01); C08G 69/28 (2013.01); C08G 73/10 (2013.01); C08G 73/105 (2013.01); C08G 73/1021 (2013.01); C08G 73/1032 (2013.01); C08G 73/1067 (2013.01); C08G 73/1071 (2013.01); C08L 77/06 (2013.01); C08L 79/08 (2013.01); C08J 2203/08 (2013.01); Y10T 428/31721 (2015.04);
Abstract
A method for producing a polyimide precursor, including: reacting tetracarboxylic dianhydride represented by the following General Formula (1) with a diamine compound represented by the following General Formula (2) in a compressive fluid to thereby produce a polyimide precursor represented by the following Formula (3):