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.

Date of Patent:
Oct. 06, 2026

Filed:

May. 18, 2022
Applicant:

Dh Technologies Development Pte. Ltd., Singapore, SG;

Inventors:

Leigh Bedford, Whitby, CA;

Bradley B. Schneider, Bradford, CA;

Eva Duchoslav, Toronto, CA;

Stephen Tate, Barrie, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/623 (2021.01); G01N 27/624 (2021.01); H01J 49/16 (2006.01);
U.S. Cl.
CPC ...
G01N 27/623 (2021.01); G01N 27/624 (2013.01); H01J 49/165 (2013.01);
Abstract

A method of operating a system including a differential mobility spectrometer (DMS) and a mass spectrometer. A sample is introduced to the DMS. The sample is analyzed with the DMS. Data is generated based at least in part on an analyte ion generated from the sample and at least one transport gas composition. Library data of the analyte ion is accessed from a library. The generated data is compared to the library data. A signal is sent when the generated data deviates from the library data by more than a predetermined threshold.


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