US Patent Issued to TORAY INDUSTRIES on Sept. 30 for "Epoxy resin composition, cured resin product, prepreg, and fiber-reinforced composite material" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,554, issued on Sept. 30, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Epoxy resin composition, cured resin product, prepreg, and fiber-reinforced composite material" was invented by Takahiro Mino (Iyo-gun, Japan), Akihiko Ito (Iyo-gun, Japan) and Hiroaki Sakata (Iyo-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An epoxy resin composition comprises the following components [A] to [E]: [A] epoxy resin, [B] amine-type curing agent, [C] cure accelerator, and [D] red phosphorus. The epoxy resin composition contains, per 100 mass parts for the total amount of [A], 25-45 mass parts of [A1] a liquid bisphenolic epoxy resin and 20-40 mass par...