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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.:

US 12163048 B1

PDFFull Text
Date of Patent:
Dec. 10, 2024

Filed:

Nov. 12, 2019

Polyimide resin, varnish, and polyimide film

Applicant:

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

Inventors:

Yohei Abiko, Kanagawa, JP;

Aoi Daito, Kanagawa, JP;

Shinji Sekiguchi, Kanagawa, JP;

Assignee:

MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;

Attorney:

GREENBLUM & BERNSTEIN, P.L.C.

Primary Examiner:

Catherine S Branch

Assistant Examiner:

Huihong Qiao

Int. Cl.
CPC ...
C09D 7/20 (2018.01); C08G 73/10 (2006.01); C09D 179/08 (2006.01);
U.S. Cl.
CPC ...
C09D 179/08 (2013.01); C08G 73/1032 (2013.01); C08G 73/1042 (2013.01); C08G 73/1046 (2013.01); C08G 73/106 (2013.01); C08G 73/1071 (2013.01); C09D 7/20 (2018.01);
Abstract

A polyimide resin includes structural unit A derived from tetracarboxylic dianhydride and structural unit B derived from diamine, wherein unit A includes at least one unit selected from the group consisting of unit (A-1) derived from a compound represented by Formula (a-1) and unit (A-2) derived from a compound represented by Formula (a-2), and unit B includes unit (B-1) derived from a compound represented by Formula (b-1) and includes unit (B-2) derived from a compound represented by Formula (b-2).

Find Patent Forward Citations

Abiko, Yohei. (2024). Polyimide resin, varnish, and polyimide film (U.S. Patent No. 12163048). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12163048

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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