ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,275, issued on Jan. 20, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Laminate, method for producing same and prepreg" was invented by Yuki Sado (Ehime, Japan) and Hiroaki Sakata (Ehime, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A lightweight laminate capable of maintaining mechanical properties while exhibiting excellent flame retardancy, a method for producing the laminate, and a prepreg are described, where the laminate includes fibers; a matrix resin; and a flame-retardant filler and satisfies 0.01greater thanA/Bgreater than0.15 under the described conditions where A and B are as defined. The prepreg includes fibers; a matrix resin;...