ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,375, issued on Dec. 2, was assigned to Covestro Deutschland AG (Leverkusen, Germany).
"Polycarbonate composite article" was invented by Jiru Meng (Shanghai), Hua Han (Shanghai), Ke Hong (Shanghai) and Paula Xiong (Shanghai).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a polycarbonate composite article, a preparation method therefor, and use thereof. The polycarbonate composite article includes a foamed polycabonate layer and a non-foamed polycarbonate film layer on the foamed polycarbonate layer. The polycarbonate composite article according to the present invention has a reduced weight and improved signal penetrat...