US Patent Issued to KINGFA SCI. & TECH. on March 4 for "Flame-retardant semi-aromatic polyamide and preparation method thereof" (Chinese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,240,947, issued on March 4, was assigned to KINGFA SCI. & TECH. Co. LTD. (Guangdong, China).

"Flame-retardant semi-aromatic polyamide and preparation method thereof" was invented by Xianbo Huang (Guangdong, China), Huan Chang (Guangdong, China), Nanbiao Ye (Guangdong, China), Min Cao (Guangdong, China), Chuanhui Zhang (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 a flame-retardant semi-aromatic polyamide derived from the following monomers: a diacid monomer A: where A1 is terephthalic acid or terephthalic acid and other diacid, terephthalic acid ...