US Patent Issued to Hunan Ovay Film Technology on May 26 for "Preparation method of reverse osmosis composite membrane and reverse osmosis composite membrane prepared thereby" (Chinese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,622, issued on May 26, was assigned to Hunan Ovay Film Technology Co. Ltd. (Zhuzhou, China).

"Preparation method of reverse osmosis composite membrane and reverse osmosis composite membrane prepared thereby" was invented by Qian Liao (Hunan, China), Hongwei Lu (Hunan, China), Bo Peng (Hunan, China), Tao Huang (Hunan, China), Fuquan Xie (Hunan, China), Xiangyou Chen (Hunan, China) and Pengfei Li (Hunan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a preparation method of a reverse osmosis composite membrane, including the following steps: coating a gelatin solution on a non-woven fabric layer and cooling to form...