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:
Jan. 27, 2015

Filed:

Jun. 12, 2013
Applicant:

Hyundai Motor Company, Seoul, KR;

Inventors:

Cheol Beom Lim, Seoul, KR;

Yoon Sang Nam, Gyeonggi-do, KR;

Jin Woo Choung, Gyeonggi-do, KR;

Youngil Song, Gyeonggi-do, KR;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01J 23/00 (2006.01); B01J 23/02 (2006.01); B01J 23/08 (2006.01); B01J 23/10 (2006.01); B01J 23/40 (2006.01); B01J 23/42 (2006.01); B01J 23/44 (2006.01); B01J 23/56 (2006.01); B01J 21/04 (2006.01); B01J 20/00 (2006.01); B01J 23/63 (2006.01);
U.S. Cl.
CPC ...
B01J 23/63 (2013.01); Y10S 502/52712 (2013.01); Y10S 502/52713 (2013.01);
Abstract

Disclosed is a gas purifying catalyst for an internal combustion engine comprising: a carrier and a catalyst layer formed on the carrier, the catalyst layer including a first catalyst, a second catalyst and a third catalyst. The first catalyst comprises Pd supported in a first support, the first support comprising alumina. The second catalyst comprises Rh supported in a second support, the second support comprising a complex oxide of ceria-zirconia. The third catalyst comprising Pd supported in a third support, the third support comprising a complex oxide of ceria-zirconia.


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