ALEXANDRIA, Va., Jan. 28 -- United States Patent no. 12,534,573, issued on Jan. 27, was assigned to KINGFA SCI. & TECH. Co. LTD. (Guangdong, China).

"In situ polymerized flame retardant, preparation method thereof, and molding composition comprising thereof" was invented by Huan Chang (Guangdong, China), Xianbo Huang (Guangdong, China), Nanbiao Ye (Guangdong, China), Min Cao (Guangdong, China), Chuanhui Zhang (Guangdong, China), Sujun Jiang (Guangdong, China), Mingchen Xie (Guangdong, China), Kun Yan (Guangdong, China) and Zhongquan Peng (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses an in situ polymerized flame retardant, derived from the following monomers: a diaci...