ALEXANDRIA, Va., July 30 -- United States Patent no. 12,371,398, issued on July 29, was assigned to FUDAN UNIVERSITY (Shanghai).

"Method for preparing formamide compounds via hydrogenation of carbon dioxide catalyzed by porous materials" was invented by Tao Tu (Shanghai), Yaliang Shen (Shanghai) and Qingshu Zheng (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing formamide compounds via hydrogenation of carbon dioxide catalyzed by porous materials includes the following steps: by taking porous organometallic polymers as catalysts, reacting amine compounds with carbon dioxide and hydrogen under an air atmosphere to prepare formamide compounds. The method has the advantages of high...