ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,222, issued on Aug. 26, was assigned to CHINA PETROLEUM & CHEMICAL Corp. (Beijing) and BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY CHINA PETROLEUM & CHEMICAL Corp. (Beijing).

"Flame-retardant antimicrobial agent, preparation method therefor and use thereof, and flame-retardant antimicrobial thermoplastic resin composition" was invented by Yutao Wang (Beijing), Liqiu Chu (Beijing), Jie Li (Beijing), Shijun Zhang (Beijing), Dali Gao (Beijing), Hua Yin (Beijing), Peng Guo (Beijing), Jingbo Shao (Beijing), Changjin Li (Beijing), Chenxi Hu (Beijing) and Yiqing Bai (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A flame-retardant antimicrobial...