ALEXANDRIA, Va., June 9 -- United States Patent no. 12,287,346, issued on April 29, was assigned to Quest Diagnostics Investments LLC (Secaucus, N.J.).
"Methods for detecting vitamin D metabolites by mass spectrometry" was invented by Nigel J. Clarke (San Clemente, Calif.), Brett Holmquist (Mission Viejo, Calif.), Gloria Kwang-Ja Lee (Irvine, Calif.) and Richard E. Reitz (Las Vegas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are methods of detecting the presence or amount of a vitamin D metabolite in a sample using mass spectrometry. The methods generally directed to ionizing a vitamin D metabolite in a sample and detecting the amount of the ion to determine the presence or amount of the vitamin ...