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:
Nov. 22, 2022

Filed:

Aug. 09, 2019
Applicant:

Smiths Detection Montreal, Inc., Mississauga, CA;

Inventors:

Paul Christopher Peter Thomson, Mississauga, CA;

Atin J. Patel, Mississauga, CA;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 1/04 (2006.01); B42D 5/00 (2006.01); G01N 1/02 (2006.01); G01N 1/28 (2006.01); B01L 3/00 (2006.01);
U.S. Cl.
CPC ...
G01N 1/04 (2013.01); B01L 3/505 (2013.01); B42D 5/00 (2013.01); G01N 1/02 (2013.01); B01L 2200/148 (2013.01); B01L 2300/0825 (2013.01); G01N 2001/024 (2013.01); G01N 2001/028 (2013.01); G01N 2001/2833 (2013.01);
Abstract

A trace analyte collection swab having a collection surface at least partially coated with a microscopically tacky substance to enhance pick-up efficiency is described. In embodiments, the truce analyte collection swab comprises a substrate including a surface having a trace analyte collection area and a coating disposed on the surface of the substrate in the trace analyte collection area. The coating is configured to be microscopically adhesive to collect particles of the trace analyte from a surface when the trace analyte collection area is placed against the surface. In one embodiment, the coating comprises Polyisobutylene.


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