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:
Oct. 01, 2024
Filed:
Jan. 10, 2020
Applicant:
Cummins Emission Solutions Inc., Columbus, IN (US);
Inventors:
Changsheng C. Su, Columbus, IN (US);
Yuanzhou Xi, Verona, WI (US);
Jinqian Gong, Columbus, IN (US);
Ramakrishna Gopal Dontha, Columbus, IN (US);
Nathan A. Ottinger, Lenoir City, TN (US);
Z. Gerald Liu, Madison, WI (US);
James C. Clerc, Columbus, IN (US);
Assignee:
Cummins Emission Solutions Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/20 (2006.01); B01J 6/00 (2006.01); B01J 29/72 (2006.01);
U.S. Cl.
CPC ...
F01N 3/208 (2013.01); B01J 6/001 (2013.01); B01J 29/723 (2013.01); F01N 2570/14 (2013.01);
Abstract
A method includes: providing a SCR system comprising a SCR catalyst; heating the SCR system to a temperature greater than 500 degrees Celsius for a predetermined time so as to increase sulfur resistance of the SCR catalyst; and installing the SCR system in an aftertreatment system.