ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,656, issued on June 3, was assigned to SHANGHAI ZHIMENG BIOPHARMA INC. (Shanghai).

"Compound as potassium channel regulator and preparation and use thereof" was invented by Bo Liang (Shanghai), Gang Liu (Shanghai) and Huanming Chen (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compound as a potassium channel regulator and preparation and use thereof are described. Specifically, the compound has the structure shown in formula A. A preparation method of the compound and its use as a potassium channel regulator in a medicament and a pharmaceutical composition are also described."

The patent was filed on Dec. 20, 2021, under Application No....