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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 12779397 B1

PDFFull Text
Date of Patent:
Nov. 03, 2026

Filed:

Jul. 13, 2021

Method and apparatus for cleaning exhaust gas

Applicant:

Nanomist Technologies Co., Ltd., Tokushima, JP;

Inventors:

Kazuo Matsuura, Tokushima, JP;

Toshiharu Chichibu, Tokyo, JP;

Tomoyoshi Nomura, Tokyo, JP;

Yuji Adachi, Tokyo, JP;

Soichiro Shimada, Tokyo, JP;

Shingo Tomemori, Tokyo, JP;

Assignee:

NANOMIST TECHNOLOGIES CO., LTD., Tokushima, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Daniel Berns

Int. Cl.
CPC ...
B01D 53/78 (2006.01); B01D 53/50 (2006.01); B01D 53/56 (2006.01); B01D 53/75 (2006.01); B01D 53/76 (2006.01);
U.S. Cl.
CPC ...
B01D 53/78 (2013.01); B01D 53/504 (2013.01); B01D 53/56 (2013.01); B01D 53/75 (2013.01); B01D 53/76 (2013.01); B01D 2251/102 (2013.01); B01D 2251/304 (2013.01); B01D 2251/306 (2013.01); B01D 2251/604 (2013.01); B01D 2257/302 (2013.01); B01D 2257/404 (2013.01); B01D 2258/0283 (2013.01);
Abstract

Atmospheric pollutants are efficiently separated from exhaust gas with low operating cost. The exhaust gas cleaning method forms a fine mist of aqueous alkaline solution with an atomizer in an atomizing step; mixes the aqueous alkaline solution mist with exhaust gas to absorb atmospheric pollutants contained in the exhaust gas into the mist in a mixing step; and separates mist that absorbed atmospheric pollutants from the exhaust gas in a separating step.

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Matsuura, Kazuo. (2026). Method and apparatus for cleaning exhaust gas (U.S. Patent No. 12779397). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12779397

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