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:
Dec. 08, 2020
Filed:
Feb. 08, 2019
Applicant:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Inventors:
Sum Chan, San Clemente, CA (US);
Qibo Jiang, Los Angeles, CA (US);
Assignee:
Quest Diagnostics Investments Incorporated, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/82 (2006.01); G01N 33/48 (2006.01); H01J 49/26 (2006.01); H01J 49/00 (2006.01);
U.S. Cl.
CPC ...
G01N 33/82 (2013.01); G01N 33/48 (2013.01); G01N 2560/00 (2013.01); H01J 49/0045 (2013.01); Y10T 436/24 (2015.01);
Abstract
Methods are described for measuring the amount of one or more of vitamin A, α-tocopherol, and the combination of β-tocopherol and γ-tocopherol in a sample. More specifically, mass spectrometric methods are described for detecting and quantifying one or more of vitamin A, α-tocopherol, and the combination of β-tocopherol and γ-tocopherol in a sample.