ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,323, issued on March 11, was assigned to CHINA TEXTILE ACADEMY (Beijing).

"Continuous preparation method of cellulose fibers" was invented by Ting Li (Beijing), Chenxi Zhang (Beijing), Chunzu Cheng (Beijing), Mingming Zhang (Beijing), Jigang Xu (Beijing) and Kedong Chi (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a continuous preparation method of cellulose fibers, in which a forming tension of 0.1 to 1.9 cN/dtex is applied to a fine solution stream obtained by extrusion through a spinneret plate and air gap cooling, then the fine solution stream is fed into a coagulating bath at a speed of 80 to 1000 m/min, a traction tensi...