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:
Sep. 02, 2025

Filed:

Apr. 06, 2023
Applicant:

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

Inventors:

Natsumi Nishimoto, Kanagawa, JP;

Kazuki Kouno, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 59/50 (2006.01); C08G 59/18 (2006.01); C08L 61/18 (2006.01); C08L 63/00 (2006.01);
U.S. Cl.
CPC ...
C08G 59/50 (2013.01); C08G 59/184 (2013.01); C08L 61/18 (2013.01); C08L 63/00 (2013.01);
Abstract

An epoxy resin composition containing an epoxy resin (A), an epoxy resin curing agent (B), a solvent (C), and an aromatic hydrocarbon formaldehyde resin (D), wherein a mass ratio of a total content of component (C) and component (D) to a total content of components (B), (C), and (D), [(C+D)/(B+C+D)], is from 0.42 to 0.57, and the mass ratio of component (C) to component (D), C/D, is 1.00 or more, and a cured product thereof.


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