US Patent Issued to Amgen on Sept. 15 for "Process for racemizing and isolating atropisomers of 7-chloro-6-fluoro-1-(2-isopropyl-4-methylpyridin-3-yl)pyrido[2,3-Dpyrimidine-2,4(1H,3H)-dione" (Massachusetts, California Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,419, issued on Sept. 15, was assigned to Amgen Inc. (Thousand Oaks, Calif.).

"Process for racemizing and isolating atropisomers of 7-chloro-6-fluoro-1-(2-isopropyl-4-methylpyridin-3-yl)pyrido[2,3-Dpyrimidine-2,4(1H,3H)-dione" was invented by Matthew G. Beaver (Natick, Mass.), Michael T. Corbett (San Carlos, Calif.), Yuanqing Fang (Belmont, Mass.), David D. Ford (Cambridge, Mass.), Andrew T. Parsons (Cambridge, Mass.), Gabrielle St-Pierre (Thousand Oaks, Calif.) and Reem Telmesani (Brighton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided herein is a process comprising heating a composition comprising (P)-compound A or a salt thereof a...