The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 2025
Filed:
Jan. 30, 2024
Applicant:
Quest Diagnostics Investments Llc, Secaucus, NJ (US);
Inventors:
Nigel J. Clarke, San Clemente, CA (US);
Brett Holmquist, Mission Viejo, CA (US);
Gloria Kwang-Ja Lee, Irvine, CA (US);
Richard E. Reitz, Las Vegas, NV (US);
Assignee:
Quest Diagnostics Investments LLC, Secaucus, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/82 (2005.12); G01N 30/72 (2005.12); G01N 30/88 (2005.12); H01J 49/00 (2005.12);
U.S. Cl.
CPC ...
G01N 33/82 (2012.12); G01N 30/7233 (2012.12); G01N 30/72 (2012.12); G01N 2030/8813 (2012.12); G01N 2030/8822 (2012.12); G01N 2458/15 (2012.12); G01N 2560/00 (2012.12); H01J 49/00 (2012.12); H01J 49/004 (2012.12); Y10T 436/20 (2015.01); Y10T 436/203332 (2015.01); Y10T 436/24 (2015.01);
Abstract
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 D metabolite in the sample. Also provided are methods to detect the presence or amount of two or more vitamin D metabolites in a single assay.