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.

Date of Patent:
Oct. 14, 2025

Filed:

Dec. 15, 2020
Applicant:

Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;

Inventors:

Daichi Miyahara, Okayama, JP;

Yumi Sato, Okayama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/037 (2006.01); C08G 73/10 (2006.01); C09D 179/08 (2006.01);
U.S. Cl.
CPC ...
C08G 73/105 (2013.01); C09D 179/08 (2013.01); G03F 7/037 (2013.01);
Abstract

A modified polyimide resin containing a structure represented by general formula (I) below. A polyimide resin containing: a structural unit A derived from a tetracarboxylic dianhydride; and a structural unit B derived from a diamine compound, wherein the structural unit A contains a structural unit derived from a compound having a specific structure in a proportion of 60 mol % or greater.


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