US Patent Issued to CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCE on Feb. 17 for "Tubular material, preparation method therefor and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,551,598, issued on Feb. 17, was assigned to CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCE (Jilin, China).

"Tubular material, preparation method therefor and use thereof" was invented by Xiaoniu Yang (Jilin, China), Shuo Li (Jilin, China), Hongying Lv (Jilin, China), Lei Yang (Jilin, China), Jiangshan Tu (Jilin, China) and Haiyang Wu (Jilin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a preparation method for a tube. The method comprises the following steps: a) adding a polymer solution into a poor solvent, such that the polymer diffuses on the liquid level of the poor solvent, so as to obtain a polymer film, w...