US Patent Issued to Mitsubishi Chemical on Aug. 25 for "Polyester film recovery method, recycled polyester product, recovery device, and functional layer removal agent" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,976, issued on Aug. 25, was assigned to Mitsubishi Chemical Corp. (Tokyo).

"Polyester film recovery method, recycled polyester product, recovery device, and functional layer removal agent" was invented by Kazunobu Tada (Nagahama, Japan), Toshihiro Hiraki (Osaka, Japan), Tomohiro Suzuki (Nagahama, Japan) and Kiyonori Kuroda (Nagahama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyester film recovery method includes: a functional layer removing step (A) of cleaning a laminated polyester film including a polyester film having on a surface thereof a functional layer, with a cleaning agent, so as to remove the functional layer; and a recover...