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. 16, 2025
Filed:
May. 14, 2021
Sumitomo Chemical Company, Limited, Tokyo, JP;
Kenichi Takeuchi, Osaka, JP;
Hirofumi Kato, Osaka, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Abstract
Provided is an epoxy resin composition containing an epoxy resin (A), a curing agent (B) and an imidazole adduct-type curing accelerator (C), in which the curing agent (B) contains a compound (B-1) represented by formula (B-1) [Rrepresents a hydrogen atom, a halogen atom, a methoxy group or a hydrocarbon group having 1 to 12 carbon atoms] and a compound (B-2) represented by formula (B-2) [Rrepresents a hydrogen atom, a halogen atom, a methyl group or a methoxy group] and the content of the compound (B-2) is 2 parts by mass or more and 5 parts by mass or less with respect to 100 parts by mass of the epoxy resin (A).