US Patent Issued to TEIJIN on July 15 for "Prepreg, method for producing same, and method for producing fiber-reinforced composite material" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,019, issued on July 15, was assigned to TEIJIN Ltd. (Osaka, Japan).

"Prepreg, method for producing same, and method for producing fiber-reinforced composite material" was invented by Akimichi Oda (Osaka, Japan), Hiroaki Kuwahara (Osaka, Japan) and Hironori Kawamoto (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to the present invention, there is provided a prepreg characterized by including a reinforcing fiber substrate composed of a reinforcing fiber, and an epoxy resin composition with which the reinforcing fiber substrate is partially or wholly impregnated, in which the epoxy resin composition includes, as an essential com...