ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,526, issued on Sept. 30, was assigned to PI Advanced Materials Co. Ltd. (Chungcheongbuk-do, South Korea).
"Polyimide film for graphite sheet, and graphite sheet manufactured therefrom" was invented by Won Ho Son (Chungcheongbuk, South Korea) and Hyong Sop Jo (Chungcheongbuk, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein are a polyimide film for graphite sheets and a graphite sheet manufactured using the same. The polyimide film is fabricated by imidizing a precursor composition including: a polyamic acid prepared by reacting a dianhydride monomer with a diamine monomer; and an organic solvent, wherein the diamine monom...