ALEXANDRIA, Va., June 12 -- United States Patent no. 12,296,318, issued on May 13, was assigned to Hunan Institute of Science and Technology (Yueyang, China).

"COF@hydromagnesite composite material and preparation method and application thereof" was invented by Yongbing Yuan (Yueyang, China), Hao Ma (Yueyang, China), Junkang Shi (Yueyang, China), Congshan Zhou (Yueyang, China), An Li (Yueyang, China), Lijun Li (Yueyang, China) and Jundong Xu (Yueyang, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A COF@hydromagnesite composite material and its preparation method and application are disclosed. The preparation method of the composite material includes the following steps. Firstly, diisocyanate organic m...