ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,015, issued on March 24, was assigned to MITSUBISHI GAS CHEMICAL COMPANY INC. (Chiyoda-ku, Japan).
"Polyimide resin composition" was invented by Yuuki Sato (Kanagawa, Japan) and Atsushi Sakai (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyimide resin composition obtained by blending a polyimide resin (A) and glass fiber (B), the polyimide resin (A) containing a repeating structural unit represented by the following formula (1) and a repeating structural unit represented by the following formula (2), a content ratio of the repeating structural unit of the formula (1) with respect to the total of the repeating structural unit o...