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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 10005067 B1

PDFFull Text
Date of Patent:
Jun. 26, 2018

Filed:

May. 26, 2015

Use of catalysts, method and apparatus for selective oxidation of ammonia in a gas containing hydrogen

Applicant:

Danmarks Tekniske Universitet, Kgs. Lyngby, DK;

Inventors:

Debasish Chakraborty, Copenhagen S, DK;

Ib Chorkendorff, Birkerød, DK;

Jakob Lind Olsen, Copenhagen S, DK;

Hugo José Lopes Silva, Kgs. Lyngby, DK;

Morten Godtfred Nielsen, Dyssegård, DK;

Assignee:

Danmarks Tekniske Universitet, Kgs. Lyngby, DK;

Attorney:

Knobbe Martens Olson & Bear LLP

Primary Examiner:

Timothy C Vanoy

Int. Cl.
CPC ...
C01B 3/04 (2006.01); B01J 8/00 (2006.01); B01D 53/58 (2006.01); B01D 53/81 (2006.01); B01J 23/30 (2006.01); B01J 37/03 (2006.01); B01J 37/16 (2006.01); B01J 21/06 (2006.01); B01J 23/10 (2006.01); B01J 23/22 (2006.01); B01J 23/26 (2006.01); B01J 23/28 (2006.01); B01J 23/34 (2006.01); B01J 37/02 (2006.01); B01D 53/86 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
B01J 23/30 (2013.01); B01D 53/8634 (2013.01); B01D 53/9436 (2013.01); B01J 8/00 (2013.01); B01J 21/06 (2013.01); B01J 21/063 (2013.01); B01J 23/10 (2013.01); B01J 23/22 (2013.01); B01J 23/26 (2013.01); B01J 23/28 (2013.01); B01J 23/34 (2013.01); B01J 37/0201 (2013.01); B01J 37/0203 (2013.01); B01J 37/036 (2013.01); B01J 37/16 (2013.01); C01B 3/047 (2013.01); B01D 2251/102 (2013.01); B01D 2255/20723 (2013.01); B01D 2255/20769 (2013.01); B01D 2255/20776 (2013.01); B01D 2255/20784 (2013.01); B01D 2256/16 (2013.01); B01D 2257/406 (2013.01); B01J 2219/00002 (2013.01);
Abstract

The invention contributes to a cost effective way to solve the problem of trace ammonia removal from a hydrogen and nitrogen containing gas. The set of catalysts of the invention selectively oxidized ammonia in ppm concentration even in gas mixtures containing hydrogen gas in concentrations of three orders of magnitude higher than the concentration of ammonia.

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Chakraborty, Debasish. (2018). Use of catalysts, method and apparatus for selective oxidation of ammonia in a gas containing hydrogen (U.S. Patent No. 10005067). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10005067

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