US Patent Issued to NANODOCKS TECHNOLOGY, CITY UNIVERSITY OF HONG KONG on Jan. 13 for "Methods for preparing polyurethane film and fabrics comprising the same" (Chinese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,950, issued on Jan. 13, was assigned to NANODOCKS TECHNOLOGY Ltd. (Hong Kong) and CITY UNIVERSITY OF HONG KONG (Hong Kong).

"Methods for preparing polyurethane film and fabrics comprising the same" was invented by Jinlian Hu (Hong Kong), Jieqiong Yang (Hong Kong), Shuo Shi (Hong Kong), Yifan Si (Hong Kong) and Siu Wah Wong (Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a method for preparing a polyurethane film, comprising the steps of: i) dissolving polyurethane into a first solvent to form a first solution; ii) dissolving salt into a second solvent to form a second solution; iii) preparing a spinning stoc...