US Patent Issued to China University of Geosciences (Beijing) on March 4 for "High-whiteness polyimide microfiber and preparation method thereof and use" (Chinese Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,241,179, issued on March 4, was assigned to China University of Geosciences (Beijing) (Beijing).

"High-whiteness polyimide microfiber and preparation method thereof and use" was invented by Jingang Liu (Beijing), Xinxin Zhi (Beijing), Yan Zhang (Beijing), Chenyu Guo (Beijing), Lin Wu (Beijing) and Xiao Wu (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure discloses a high-whiteness polyimide microfiber and a preparation method thereof and use. The polyimide fiber includes polyimide obtained from the reaction of wholly alicyclic dianhydride HTDA and an aromatic diamine monomer containing methyl or trifluoromethyl by chemical i...