US Patent Issued to QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY on Nov. 25 for "Cellulose nanocrystal powder and preparation method and use thereof" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,944, issued on Nov. 25, was assigned to QINGDAO UNIVERSITY OF SCIENCE AND TECHNOLOGY (Qingdao, China).

"Cellulose nanocrystal powder and preparation method and use thereof" was invented by Jianming Zhang (Qingdao, China), Yunxiao Liu (Qingdao, China), Yongxin Duan (Qingdao, China), Lijuan Zhou (Qingdao, China), Yunjie Lu (Qingdao, China) and Xinran Liu (Qingdao, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A preparation method includes 1) dispersing cellulose nanocrystal in water and adjusting pH to 7; 2) adding carboxylate to the aqueous dispersion of the step 1), and stirring until uniform; and 3) adding a monomer and a ceric ammonium nitr...