ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,059, issued on Jan. 28, was assigned to SK BIOPHARMACEUTICALS Co. LTD. (Seoul, South Korea).

"Treatment of sleep-wake disorders" was invented by Abdallah Ahnaou (Berchem, Belgium), Wilhelmus H.I.M. Drinkenburg (Molenschot, Netherlands), Joseph Palumbo (Saint Davids, Pa.) and Jonathan Sporn (Princeton, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention is directed to a method of treating Excessive daytime Sleepiness (EDS) in a subject, comprising the step of administering a therapeutically effective amount of a compound of Formula (I): Formula (I) or a pharmaceutically acceptable salt or ester thereof wherein Rx is a member selected f...