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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 11169059 B1

PDFFull Text
Date of Patent:
Nov. 09, 2021

Filed:

Sep. 28, 2017

Chemical substance concentrator and chemical substance detection device

Applicant:

Panasonic Corporation, Osaka, JP;

Inventors:

Atsuo Nakao, Nara, JP;

Yosuke Hanai, Osaka, JP;

Assignee:

PANASONIC CORPORATION, Osaka, JP;

Attorney:

McDermott Will and Emery LLP

Primary Examiner:

Samuel P Siefke

Assistant Examiner:

Oyeleye Alexander Alabi

Int. Cl.
CPC ...
G01N 1/40 (2006.01); B01D 53/04 (2006.01); B01J 20/28 (2006.01); B01J 20/06 (2006.01); B82Y 30/00 (2011.01); B81B 7/02 (2006.01); G01N 30/00 (2006.01); B01J 20/20 (2006.01); G01N 30/06 (2006.01);
U.S. Cl.
CPC ...
G01N 1/405 (2013.01); B01D 53/0438 (2013.01); B01D 53/0446 (2013.01); B01J 20/06 (2013.01); B01J 20/205 (2013.01); B01J 20/28007 (2013.01); B81B 7/02 (2013.01); B82Y 30/00 (2013.01); G01N 30/00 (2013.01); B01D 2253/1124 (2013.01); B01D 2257/304 (2013.01); B01D 2257/306 (2013.01); B01D 2257/702 (2013.01); B01D 2257/708 (2013.01); B01D 2258/06 (2013.01); B01D 2259/40096 (2013.01); B01J 2220/66 (2013.01); G01N 30/06 (2013.01);
Abstract

A chemical substance concentrator is configured to concentrate a chemical substance contained in a gaseous sample. The concentrator includes a flow passage having a hollow part allowing the gaseous sample flows through the hollow part, first and second electrodes disposed on an inner wall of the flow passage, an electrode wiring connected to the first and second electrodes, a material layer disposed on the electrode wiring, and an adsorbent disposed on the material layer. The adsorbent is configured to adsorb the chemical substance and to desorb the adsorbed chemical substance. The chemical substance concentrator is capable of efficiently desorbing the adsorbed chemical substances.

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