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:
Oct. 24, 2023
Filed:
Aug. 18, 2020
Applicant:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Inventors:
Qibo Jiang, Granada Hills, CA (US);
Sum Chan, San Clemente, CA (US);
Richard E. Reitz, San Juan Capistrano, CA (US);
Assignee:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/82 (2006.01); G01N 33/49 (2006.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
H01J 49/0031 (2013.01); G01N 33/49 (2013.01); G01N 33/82 (2013.01); H01J 49/004 (2013.01); Y10T 436/145555 (2015.01);
Abstract
Provided are methods of detecting the presence or amount of the active form of vitamin B6, pyridoxal 5'-phosphate, in a body fluid sample using tandem mass spectrometry coupled with liquid chromatography.