ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,717, issued on April 22, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Composite separator, electrochemical energy storage apparatus, and electrical apparatus" was invented by Manman Wang (Fujian, China) and Xiaoming Ge (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application provides a composite separator, an electrochemical energy storage apparatus, and an electrical apparatus. The composite separator provided in a first aspect of the present application may comprise: a first base film and a second base film; and an anode protection layer located between the first base film and the secon...