ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,032, issued on March 24, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Method for preparing a low-temperature sintering silver paste" was invented by Changcheng Zheng (Shenqui, China), Ming Liu (Shanghai), Congjie Wang (Shanghai) and Dekui Mu (Quanzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a silver paste includes creating a mixture of succinic acid, 1-butoxy-2-propanol, terpineol, ethanol, and ethylene glycol; ultrasonically mixing the mixture for a first predetermined period; adding silver particles; and mechanically stirring the mixture for a second predetermined period to create a silver p...