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.:
Date of Patent:
Dec. 07, 2021
Filed:
Jul. 09, 2018
Applicant:
Shell Oil Company, Houston, TX (US);
Inventors:
Steven Russell Lee, Houston, TX (US);
Wenzhong Zhang, Houston, TX (US);
Geert Marten Bakker, Amsterdam, NL;
Assignee:
SHELL OIL COMPANY, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 29/80 (2006.01); B01J 29/76 (2006.01); B01J 35/02 (2006.01); B01J 35/10 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
B01J 29/80 (2013.01); B01D 53/9418 (2013.01); B01J 29/763 (2013.01); B01J 29/7615 (2013.01); B01J 35/023 (2013.01); B01J 35/1057 (2013.01); B01D 2255/20738 (2013.01); B01D 2255/502 (2013.01); B01D 2255/9202 (2013.01); B01J 2229/18 (2013.01);
Abstract
A catalyst for the conversion of NOand NO comprising iron chabazite and iron beta zeolite. A method of simultaneously reducing the NOand NO concentration in a process gas stream comprising contacting the process gas stream with a catalyst comprising iron chabazite and iron beta zeolite under conversion conditions.