US Patent Issued to HITACHI on July 14 for "Resin composition, resin cured product, and fiber reinforced resin" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,925, issued on July 14, was assigned to HITACHI LTD. (Tokyo).

"Resin composition, resin cured product, and fiber reinforced resin" was invented by Takeshi Kondo (Tokyo) and Takahito Muraki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "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 ...