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. 08, 2018
Filed:
Oct. 22, 2014
Applicant:
Dh Technologies Development Pte Ltd., Singapore, SG;
Inventors:
Subhakar Dey, Lexington, MA (US);
Subhasish Purkayastha, Acton, MA (US);
Assignee:
DH Technologies Development Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 24/00 (2006.01); G01N 33/94 (2006.01); C07B 59/00 (2006.01); C07C 251/22 (2006.01); C07D 231/46 (2006.01);
U.S. Cl.
CPC ...
G01N 33/9406 (2013.01); C07B 59/001 (2013.01); C07B 59/002 (2013.01); C07C 251/22 (2013.01); C07D 231/46 (2013.01); C07B 2200/05 (2013.01); C07C 2601/16 (2017.05); G01N 2560/00 (2013.01);
Abstract
A method is described for mass spectrometric analysis, detection and quantification of catecholamines. The methods can comprise reacting the catecholamines with a 4-aminoantipyrine reagent and detecting and/or quantifying the adduct produced by the reaction. The methods can also allow for multiplexing. Compounds formed by the reactions are also provided.