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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.:

US 12270803 B1

PDFFull Text
Date of Patent:
Apr. 08, 2025

Filed:

Oct. 25, 2023

Quantitation of tamoxifen and metabolites thereof by mass spectrometry

Applicant:

Quest Diagnostics Investments Llc, Secaucus, NJ (US);

Inventor:

Nigel Clarke, Vista, CA (US);

Assignee:

Quest Diagnostics Investments LLC, Secaucus, NJ (US);

Attorney:

Foley & Lardner LLP

Primary Examiner:

Maureen Wallenhorst

Int. Cl.
CPC ...
G01N 33/94 (2006.01); G01N 30/72 (2006.01); G01N 33/15 (2006.01); G01N 33/48 (2006.01); G01N 33/49 (2006.01); H01J 49/00 (2006.01); H01J 49/10 (2006.01);
U.S. Cl.
CPC ...
G01N 33/15 (2013.01); G01N 30/7233 (2013.01); G01N 33/49 (2013.01); G01N 33/94 (2013.01); H01J 49/0031 (2013.01); H01J 49/004 (2013.01); H01J 49/0045 (2013.01); H01J 49/10 (2013.01); G01N 33/48 (2013.01); H01J 49/00 (2013.01); Y10T 436/17 (2015.01); Y10T 436/24 (2015.01); Y10T 436/25125 (2015.01); Y10T 436/25375 (2015.01);
Abstract

Provided are methods for determining the amount of tamoxifen and its metabolites in a sample by mass spectrometry. In some aspects, the methods provided herein determine the amount of N-Desmethyl Tamoxifen. In some aspects, the methods provided herein determine the amount of N-Desmethyl Tamoxifen and other tamoxifen metabolites. In some aspects, the methods provided herein determine the amount of tamoxifen, N-Desmethyl Tamoxifen, and other tamoxifen metabolites.

Find Patent Forward Citations

Clarke, Nigel. (2025). Quantitation of tamoxifen and metabolites thereof by mass spectrometry (U.S. Patent No. 12270803). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12270803

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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