US Patent Issued to Cathay Biotech, CIBT America, Cathay (Jinxiang). Biomaterial on July 15 for "Polyamide 5X staple fiber" (Chinese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,351, issued on July 15, was assigned to Cathay Biotech Inc. (Shanghai), CIBT America Inc. (Newark, Del.) and Cathay (Jinxiang). Biomaterial Co. Ltd. (Shandong, China).

"Polyamide 5X staple fiber" was invented by Chaoxu Sun (Shanghai), Xiaochen Xu (Shanghai) and Xiucai Liu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a polyamide 5x staple fiber, a preparation method and use thereof. The polyamide 5x staple fiber has a denier of 8.0-30.0D, a breaking strength of 2.0-6.0 cN/dtex, and an elongation at break of 30-100%. The polyamide 5x staple fiber has good mechanical properties and softness, and a blended woo...