ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,774, issued on Feb. 10.

"Response surface method optimized modified chitosan-lzm-ca composite antibacterial preservative film and preparation method and application thereof" was invented by Tao Liao (Hubei, China), Liang Qiu (Hubei, China), Qinghua Luo (Hubei, China), Guangquan Xiong (Hubei, China), Chan Bai (Hubei, China), Juguang Wang (Hubei, China), Xiaoyan Zu (Hubei, China), Hailan Li (Hubei, China), Jun Wang (Hubei, China) and Hui Ma (Hubei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a modified chitosan-LZM-CA composite antibacterial cling film optimized by response surface methodology and the preparation metho...