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:
Apr. 09, 2019

Filed:

Mar. 17, 2017
Applicant:

Industrial Technology Research Institute, Hsinchu, TW;

Inventors:

Kai-Hsiang Chuang, Changhua, TW;

Kuo-Chuang Chiu, Hsinchu, TW;

Kuan-Yi Li, New Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/94 (2006.01); B01D 53/56 (2006.01); B01D 53/14 (2006.01); B01D 53/18 (2006.01); B01D 53/78 (2006.01); B01D 53/86 (2006.01); B01D 53/92 (2006.01); B01J 23/10 (2006.01); B01J 35/04 (2006.01); B01D 53/75 (2006.01);
U.S. Cl.
CPC ...
B01D 53/1493 (2013.01); B01D 53/18 (2013.01); B01D 53/56 (2013.01); B01D 53/75 (2013.01); B01D 53/78 (2013.01); B01D 53/864 (2013.01); B01D 53/8631 (2013.01); B01D 53/92 (2013.01); B01D 53/9431 (2013.01); B01J 23/10 (2013.01); B01J 35/04 (2013.01); B01D 2252/205 (2013.01); B01D 2252/2023 (2013.01); B01D 2252/2041 (2013.01); B01D 2252/20494 (2013.01); B01D 2252/502 (2013.01); B01D 2252/60 (2013.01); B01D 2255/2063 (2013.01); B01D 2255/2065 (2013.01); B01D 2258/01 (2013.01); B01D 2258/0283 (2013.01);
Abstract

A composition and a device for purification of nitrogen-oxide-containing gas is provided. It can purify harmful nitrogen-oxide-containing gases, such as nitric oxide or nitrogen dioxide. The composition includes an alkaline substance and at least one organic acid, the organic acids having an enediol group, enediamine group, or amine group of cyclopentane compounds, cyclohexane compounds, cycloheptane compounds, or phenanthrene compounds.


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