ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,807, issued on Oct. 14, was assigned to JIANGSU UNIVERSITY (Zhenjiang, China).

"Modified polyphenylene sulfide (PPS) and PPS modification method, PPS solid separator, prefabricated zinc salt separator and manufacturing method thereof, to-be-filled zinc-manganese secondary battery, and manufacturing and application methods thereof" was invented by Haitao Zhou (Zhenjiang, China), Hongquan Gao (Zhenjiang, China), Jianchun Wu (Zhenjiang, China), Haiyun Zhou (Zhenjiang, China), Shengjie Yao (Zhenjiang, China), Hongwen Zhu (Zhenjiang, China) and Rongfei Yan (Zhenjiang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Modified polyphenylene sulfide (PP...