ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,274, issued on July 28, was assigned to Regeneron Pharmaceuticals Inc. (Tarrytown, N.Y.).

"Platform for native liquid chromatography-mass spectrometry" was invented by Shunhai Wang (Scarsdale, N.Y.) and Yuetian Yan (Chappaqua, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are native liquid chromatography-mass spectrometry systems and methods of use. A native liquid chromatography-mass spectrometry system can include a liquid chromatography system capable of separating a sample; and an electrospray ionization mass spectrometry (ESI-MS) system in fluid communication with the liquid chromatography system, wherein the ESI-MS system compr...