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:
Jul. 14, 2026
Filed:
Aug. 25, 2021
Hitachi, Ltd., Tokyo, JP;
Takeshi Kondo, Tokyo, JP;
Takahito Muraki, Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
Provided are a resin composition, a resin cured product, and a fiber reinforced resin capable of shortening a stress relaxation time. In order to solve this problem, the resin composition contains an epoxy compound having two or more epoxy groups in a molecule, an acid anhydride, and a complex in which an organic ligand is coordinated to manganese (III). The resin cured product contains a resin having an ester group and a hydroxy group, and a complex in which an organic ligand is coordinated to manganese (III). A fiber reinforced resincontains a resinhaving an ester group and a hydroxy group, fibersimpregnated with at least the resin, and a complexin which an organic ligand is coordinated to manganese (III).