US Patent Issued to CATHAY BIOTECH, CIBT AMERICA on Dec. 16 for "Polyamide 5X fiber, preparation method thereof, and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,497,486, issued on Dec. 16, was assigned to CATHAY BIOTECH INC. (Shanghai) and CIBT AMERICA INC (Newark, Del.).

"Polyamide 5X fiber, preparation method thereof, and use thereof" was invented by Chaoxu Sun (Shanghai) and Xiucai Liu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a polyamide 5X fiber, wherein raw materials for producing the polyamide 5X fiber comprise at least 1,5-pentane diamine and a long carbon chain diacid; or comprises a polyamide 5X obtained by the polymerization of 1,5-pentane diamine and a long carbon chain diacid as monomers. The 1,5-pentane diamine or the long carbon chain diacid are pr...