Title:
上流単層触媒を有する三元触媒系
Document Type and Number:
Japanese Patent JP5841160
Kind Code:
B2
Abstract:
Disclosed herein is a layered three-way catalytic system being separated in a front and a rear portion having the capability of simultaneously catalyzing the oxidation of hydrocarbons and carbon monoxide and the reduction of nitrogen oxides. Provided is a catalyst composite comprising a single front catalytic layer and two rear catalytic layers in conjunction with a substrate, where the single font layer and the rear bottom layer comprise a Pd component, the rear top layer comprises a Rh component, and the rear bottom layer is substantially free of an oxygen storage component (OSC).
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Inventors:
Newnan, John Gee.
Klingman, Raoul
Andersen, Ryan Jay.
Clark, David Onuga
Moser, David Henry
Klingman, Raoul
Andersen, Ryan Jay.
Clark, David Onuga
Moser, David Henry
Application Number:
JP2013539291A
Publication Date:
January 13, 2016
Filing Date:
November 21, 2011
Export Citation:
Assignee:
Umicore AG & Co.KG
International Classes:
B01J35/04; B01D53/86; B01J27/053; F01N3/02; F01N3/10; F01N3/28
Domestic Patent References:
| JP2009019537A | ||||
| JP2006291918A | ||||
| JP2006159159A | ||||
| JP2002045702A | ||||
| JP3202154A | ||||
| JP2009082915A |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Natsuki Morishita
Natsuki Morishita