US Patent Issued to Regeneron Pharmaceuticals on Sept. 9 for "LC-MS methods for antibody isotyping and quantification" (Connecticut, New York Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,411,141, issued on Sept. 9, was assigned to Regeneron Pharmaceuticals Inc. (Tarrytown, N.Y.).

"LC-MS methods for antibody isotyping and quantification" was invented by Xiaobin Xu (Old Greenwich, Conn.), Xiaoxiao Huang (Briarcliff Manor, N.Y.), Haibo Qiu (Hartsdale, N.Y.) and Ning Li (New Canaan, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides methods and systems for isotyping and quantification of antibodies based on immunocapture and/or Liquid Chromatography-Mass Spectrometry (LC-MS) analysis. These antibodies are induced by the administration of pharmaceutical products. The immunocapture method comprises contacting...