ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,687, issued on Feb. 10, was assigned to SHIONOGI & Co. LTD. (Osaka, Japan).

"Uracil derivatives having virus replication inhibitory activity and pharmaceutical composition comprising the same" was invented by Jun Sato (Osaka, Japan), Hiromitsu Shibayama (Osaka, Japan), Keiichiro Hirai (Osaka, Japan), Yuto Unoh (Osaka, Japan), Shota Uehara (Osaka, Japan), Shuji Yonezawa (Osaka, Japan), Kana Kurahashi (Osaka, Japan) and Eiichi Kojima (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a compound exhibiting coronavirus 3CL protease inhibitory activity or a pharmaceutically acceptable salt thereof, and a pharmaceu...