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:
Sep. 15, 2026
Filed:
Feb. 08, 2023
Applicant:
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Inventors:
Assignee:
NIPPON KAYAKU KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/039 (2006.01); C08L 77/10 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0395 (2013.01); C08L 77/10 (2013.01); C08L 2203/16 (2013.01); C08L 2203/206 (2013.01);
Abstract
An object is to provide a novel bismaleimide compound. The solution is a bismaleimide compound represented by formula (1): wherein Arepresents a direct bond, a divalent linking group represented by formula (1-1), (1-2), or (1-3): wherein ring a represents a benzene ring or a cyclohexane ring; X represents a direct bond or a divalent linking group; Z represents a monovalent substituent bonded to ring a; and Arepresents a divalent linking group obtained by removing two carboxy groups from an aromatic dicarboxylic acid compound.