ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,044, issued on Nov. 4, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Epoxy resin composition, prepreg, and fiber reinforced composite material" was invented by Koji Furukawa (Iyo-gun, Japan), Kentaro Sano (Iyo-gun, Japan) and Junko Kawasaki (Ehime, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An epoxy resin composition includes: [A] an epoxy resin, [B] an aromatic diamine and [C] one or more compounds having a boiling point of 130deg C. or more, a molecular weight of 50 to 250, no epoxy group and substantially no ability to cure epoxy resin. The following conditions are satisfied: (1) a component [C] compound has polar and hydrogen bond com...