US Patent Issued to TORAY INDUSTRIES on Sept. 16 for "Thermosetting resin composition, thermosetting resin cured product, prepreg and fiber-reinforced composite material" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,920, issued on Sept. 16, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Thermosetting resin composition, thermosetting resin cured product, prepreg and fiber-reinforced composite material" was invented by Itaru Asano (Nagoya, Japan), Atsuhito Arai (Ehime, Japan), Ryohei Watari (Ehime, Japan) and Tomohiko Nakamura (Nagoya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A thermosetting resin composition contains at least: [A] a thermosetting resin; [B] a curing agent; and [C] polyamide particles satisfying following (c1) to (c6): (c1) a melting point of polyamide resin constituting the polyamide particles is 200 to 300deg C.; (c2) a crystalliz...