ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,349, issued on March 25, was assigned to DORING INTERNATIONAL GMBH (Oberterzen, Switzerland).
"Anti-viral drug" was invented by Pavel Vladimirovich Sorokin (Novouralsk, Russia) and David Edmund Thorne (Oberterzen, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the manufacture of an antiviral compound of formula (I) or a pharmaceutically acceptable salt thereofWherein R1 is an alkyl group having 1 to 12 carbon atoms which is optionally substituted by a halogen atom or hydroxyl group, a cycloalkyl group having 3 to 12 carbon atoms which is optionally substituted by a halogen atom or hydroxyl group, an aryl group, an alkylary...