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. 06, 2017
Filed:
Aug. 04, 2014
Applicant:
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Inventors:
Yuuki Sato, Kanagawa, JP;
Jun Mitadera, Kanagawa, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/00 (2006.01); C08G 73/10 (2006.01); C09J 179/08 (2006.01); C08G 63/00 (2006.01);
U.S. Cl.
CPC ...
C08G 73/1032 (2013.01); C08G 73/105 (2013.01); C08G 73/1028 (2013.01); C08G 73/1042 (2013.01); C08G 73/1082 (2013.01); C09J 179/08 (2013.01);
Abstract
The present invention provides a method for producing a polyimide resin powder, including the step of reacting (A) a tetracarboxylic acid component containing a tetracarboxylic dianhydride with (B) a diamine component containing an aliphatic diamine in the presence of (C) a solvent containing an alkylene glycol-based solvent represented by the formula (1): wherein Rarepresents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms, Rarepresents a linear alkylene group having from 2 to 6 carbon atoms, and n represents an integer of 1-3.