ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,603, issued on Oct. 28, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Prepreg, laminate, and integrated product" was invented by Jun Misumi (Ehime, Japan), Masato Honma (Ehime, Japan), Kyoko Shinohara (Ehime, Japan), Koji Furukawa (Ehime, Japan) and Atsuhito Arai (Ehime, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A prepreg includes composition elements [A], [B], and [C] described below, [A] a reinforcing fiber, [B] a thermosetting resin, and [C] a thermoplastic resin. [C] is present on a surface of the prepreg, [B] contains a first curing agent [b1] and a second curing agent [b2], and the reinforcing fiber of [A] that crosses over a boun...