ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,708, issued on May 19, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Epoxy resin composition, prepreg, and fiber-reinforced composite material" was invented by Yuichi Yamakita (Iyo-gun, Japan), Daisuke Konishi (Nagoya, Japan), Hideki Hanabusa (Iyo-gun, Japan), Noriyuki Hirano (Nagoya, Japan) and Reo Takaiwa (Iyo-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An epoxy resin composition is provided that has an elastic modulus, deformability, fracture toughness, and heat resistance in good balance. A prepreg produced from the epoxy resin composition and a fiber-reinforced composite material produced by curing the prepreg are also provided, ...