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. 13, 2020
Filed:
May. 10, 2017
Applicant:
Hyundai Motor Company, Seoul, KR;
Inventors:
Assignee:
Hyundai Motor Company, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 35/00 (2006.01); B01J 37/02 (2006.01); B01D 53/94 (2006.01); B01J 29/80 (2006.01); B01J 29/76 (2006.01); B01J 35/04 (2006.01); C01B 39/14 (2006.01); B01J 37/08 (2006.01); B01J 37/30 (2006.01); F01N 3/035 (2006.01); F01N 3/20 (2006.01);
U.S. Cl.
CPC ...
B01J 29/80 (2013.01); B01D 53/9413 (2013.01); B01D 53/9418 (2013.01); B01J 29/76 (2013.01); B01J 29/763 (2013.01); B01J 29/7607 (2013.01); B01J 35/0006 (2013.01); B01J 35/04 (2013.01); B01J 37/0246 (2013.01); B01J 37/08 (2013.01); B01J 37/30 (2013.01); C01B 39/145 (2013.01); F01N 3/035 (2013.01); F01N 3/2066 (2013.01); B01D 2255/2092 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/30 (2013.01); B01D 2255/50 (2013.01); B01D 2255/9032 (2013.01); B01D 2255/915 (2013.01); B01D 2255/9155 (2013.01); B01D 2258/012 (2013.01); B01J 2229/183 (2013.01); B01J 2229/186 (2013.01); B01J 2229/36 (2013.01); F01N 2370/04 (2013.01);
Abstract
Provided herein is an exhaust system comprising a diesel particulate filter coated with a selective catalytic reduction (SDPF) wherein the SCR is coated with a Cu/LTA catalyst comprising a LTA zeolite that includes copper ions and the SCR is coated on a high pore diesel particulate matter filter, wherein a ratio of copper and aluminum is from about 0.14 to about 0.48, and wherein the Si/Al ratio of the LTA zeolite is from about 8 to about 100.