US Patent Issued to TORAY INDUSTRIES on Sept. 15 for "Prepreg" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,542, issued on Sept. 15, was assigned to TORAY INDUSTRIES Inc. (Tokyo).

"Prepreg" was invented by Ryohei Watari (Nagoya, Japan), Takashi Ochi (Iyo-gun, Japan), Yoshikazu Kono (Iyo-gun, Japan) and Atsuki Sugimoto (Iyo-gun, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A prepreg containing at least the following components [A] to [D], wherein the prepreg includes: a first layer in which the component [A] is impregnated with a first resin composition containing the components [B] and [C]; and a second layer that contains a second resin composition containing the components [B] to [D] and is formed on both surfaces of the first layer, and the fi...