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:
May. 09, 2017
Filed:
Jun. 22, 2015
Applicant:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Inventors:
Qibo Jiang, Los Angeles, CA (US);
Richard E Reitz, San Clemente, CA (US);
Sum Chan, San Clemente, CA (US);
Assignee:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/04 (2006.01); G01N 33/82 (2006.01); G01N 33/84 (2006.01); G01N 30/72 (2006.01); G01N 30/84 (2006.01); H01J 49/26 (2006.01); G01N 33/487 (2006.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/82 (2013.01); G01N 30/7233 (2013.01); G01N 30/84 (2013.01); G01N 33/487 (2013.01); H01J 49/0031 (2013.01); H01J 49/0036 (2013.01); H01J 49/26 (2013.01); G01N 2560/00 (2013.01); G01N 2800/02 (2013.01); G01N 2800/52 (2013.01); H01J 49/004 (2013.01);
Abstract
Provided are methods for determining the amount of vitamin C in a sample using mass spectrometry. The methods generally involve ionizing vitamin C in a sample and detecting and quantifying the amount of the ion to determine the amount of vitamin C in the sample.