ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,638, issued on June 23, was assigned to Institute of Process Engineering, CAS (Beijing).

"Supported copper-based single-atom catalyst and preparation method and use thereof" was invented by Tingyu Zhu (Beijing), Xiaolong Liu (Beijing), Haoyu Shi (Beijing) and Yang Zou (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a supported copper-based single-atom catalyst and a preparation method and use thereof, belonging to the technical field of environmental catalysis. The preparation method includes the following steps: dispersing an organic ligand a copper powder in acetonitrile, and conducting refluxing in a consta...