US Patent 7375056 Method of making a NOx adsorber catalyst
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Patent Inventor Names
Danan Dou0
Ming Wei0
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Patent abstract
A treatment element and an exhaust emission control device for the treatment of gases in an exhaust passage of an internal combustion engine and methods of making thereof are described. In the method, at least two different catalyst compositions are applied along the major axis length of a single substrate to form a treatment element having at least two different zones of catalyst composition.
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US Patent 07375056 Method of making a NOx adsorber catalyst US Patent 7375056 Method of making a NOx adsorber catalyst
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Patent Number
073750560
Patent Number
73750560
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Patent Jurisdiction
Patent Number
073750560
Date of Patent
May 20, 2008
0Patent Application Number
106259180
Date Filed
July 23, 2003
0Official Website
Patent Primary Examiner
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US Patent 07375056 Method of making a NOx adsorber catalyst
Infobox
Is a
Patent jurisdiction
Patent number
07375056
Date of patent
May 20, 2008
Patent application number
10625918
Date Filed
July 23, 2003
Patent primary examiner
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