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:
Feb. 09, 2016
Filed:
Mar. 30, 2012
Subhakar N. Dey, Lexington, MA (US);
Marjorie S. Minkoff, Brookline, MA (US);
Sasi K. Pillai, Littleton, MA (US);
Subhasish Purkayastha, Acton, MA (US);
Brian L. Williamson, Ashland, MA (US);
Subhakar N. Dey, Lexington, MA (US);
Marjorie S. Minkoff, Brookline, MA (US);
Sasi K. Pillai, Littleton, MA (US);
Subhasish Purkayastha, Acton, MA (US);
Brian L. Williamson, Ashland, MA (US);
DH Technologies Development Pte. Ltd., Singapore, SG;
Abstract
A composition, method, and kit for calibrating a mass spectrometer including a predetermined concentration of a calibrant having a mixture of amino acid polyethylene glycol compounds and a solvent for dissolving the calibrant. The calibrant can be used in either positive or negative ionization mode, and it can be used in calibrating an atmospheric pressure chemical ionization or an electrospray mass spectrometer. The calibrant can include a mixture to enable calibration across a broad range of masses.