ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,498, issued on Feb. 18, was assigned to Daewoong Pharmaceutical Co. Ltd. (Gyeonggi-do, South Korea).

"Heterocyclic amine derivative and pharmaceutical composition comprising same" was invented by Wol Young Kim (Gyeonggi-do, South Korea), Yeon Im Lee (Gyeonggi-do, South Korea), Youn Jung Yoon (Gyeonggi-do, South Korea), Joon Seok Park (Gyeonggi-do, South Korea), Deok Ki Eom (Gyeonggi-do, South Korea), Keuk-Chan Bang (Gyeonggi-do, South Korea) and Jaehyun Jung (Gyeongsangnam-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a novel heterocyclic amine derivative represented by the following Chemical Formul...