US Patent Issued to QUANFENG TECH (SHENZHEN) on April 21 for "Preparation method for and use method of collagen microfiber hemostatic material" (Chinese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,605,483, issued on April 21, was assigned to QUANFENG TECH (SHENZHEN) Co. LTD. (Shenzhen, China).

"Preparation method for and use method of collagen microfiber hemostatic material" was invented by Mingchun Du (Chengdu, China) and Ci Qu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed in the present invention are a preparation method for and a use method of a collagen microfiber hemostatic material. Collagen microfibers are obtained by performing high-speed shearing on a solid collagen material; after the collagen microfibers are dispersed in an aqueous phase, a procoagulant active ingredient modifies the surfaces of the collagen microf...