US Patent Issued to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) on Nov. 3 for "Fluorine-containing copolymer and secondary battery comprising the same" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,100, issued on Nov. 3, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Fluorine-containing copolymer and secondary battery comprising the same" was invented by Ming Zhang (Ningde, China) and Tongxian Zhang (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A fluorine-containing copolymer has a weight average molecular weight of 600,000 to 2,000,000, and is represented by following formula:One of R1 and R2 is H, or unsubstituted or non-perfluoro-substituted C1-C8 linear or branched alkyl, and the other is H, F, or C1-C8 linear or branched alkyl substituted or unsubstituted with fluorine. R3 and R4 are each ind...