US Patent Issued to PI Advanced Materials on Sept. 2 for "Method for producing polyimide film and polyimide film manufactured thereby" (South Korean Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,370, issued on Sept. 2, was assigned to PI Advanced Materials Co. Ltd. (Chungcheongbuk-do, South Korea).

"Method for producing polyimide film and polyimide film manufactured thereby" was invented by Dong Young Kim (Chungcheongbuk-do, South Korea), Dong Young Won (Chungcheongbuk-do, South Korea) and Jeong Yeul Choi (Chungcheongbuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method for manufacturing a polyimide film and a polyimide film manufactured thereby. In one embodiment, the method for preparing a polyimide film includes: preparing a polyamic acid by polymerizing a mixture containing an aroma...