US Patent Issued to TOYOBO on Aug. 19 for "Layered body including inorganic substrate and polyamic acid cured product" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,813, issued on Aug. 19, was assigned to TOYOBO Co. LTD. (Osaka, Japan).

"Layered body including inorganic substrate and polyamic acid cured product" was invented by Kaya Tokuda (Otsu, Japan), Tetsuo Okuyama (Otsu, Japan), Naoki Watanabe (Otsu, Japan), Hiroyuki Wakui (Otsu, Japan), Harumi Yonemushi (Otsu, Japan) and Denichirou Mizuguchi (Otsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a layered body including glass and a polyamic acid heat-cured product that is readily releasable from an inorganic substrate after being heated at 250deg C. A layered body including an inorganic substrate and a polyamic acid heat-cured product, th...