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:
Sep. 25, 2018

Filed:

Apr. 18, 2016
Applicant:

Cummins Emission Solutions, Inc., Columbus, IN (US);

Inventors:

Nathan A. Ottinger, Madison, WI (US);

Z. Gerald Liu, Madison, WI (US);

Yuanzhou Xi, Verona, WI (US);

Rebecca A. Veele, Madison, WI (US);

Changsheng C. Su, Columbus, IN (US);

Niklas Schmidt, Madison, WI (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N 3/028 (2006.01); F01N 3/20 (2006.01); B01J 29/76 (2006.01); B01J 37/06 (2006.01); B01D 53/94 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); B01D 53/9418 (2013.01); B01J 29/76 (2013.01); B01J 37/06 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/50 (2013.01); F01N 2370/04 (2013.01); F01N 2610/12 (2013.01);
Abstract

A method for increasing a catalytic efficiency of a catalyst, comprising providing a catalyst. Finally, the catalyst is installed into a selective catalytic reduction system of an aftertreatment system configured to reduce constituents of an exhaust gas generated by an engine. The catalyst is soaked in a liquid which consists essentially of one of water or a water-comprising solution. The soaking occurs at least one of before or after installing the catalyst in the selective catalytic reduction system. The catalyst can include a copper zeolite catalyst.


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