US Patent 8168560 Exhaust gas purifying catalyst
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Patent abstract
An exhaust gas purifying catalyst is provided which includes a catalyst substrate and a catalyst coating layer. The catalyst coating layer is formed on the catalyst substrate and contains a noble metal and a refractory inorganic oxide. The catalyst coating layer has a layered structure including an A-layer and a B-layer. The A-layer contains Pd and Pt as the noble metal in a weight ratio of 3:1 to 20:1. The B-layer includes Rh as the noble metal.
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Patent Inventor Names
Akimasa Hirai0
Ichiro Kitamura0
Kenichi Taki0
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US Patent 08168560 Exhaust gas purifying catalyst US Patent 8168560 Exhaust gas purifying catalyst
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Patent Number
081685600
Patent Number
81685600
Edits on 22 Apr, 2023
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Is a
Patent Jurisdiction
Patent Number
081685600
Date of Patent
May 1, 2012
0Patent Application Number
120678370
Date Filed
October 4, 2006
0Patent Primary Examiner
Edits on 14 Dec, 2021
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US Patent 08168560 Exhaust gas purifying catalyst
Infobox
Is a
Patent jurisdiction
Patent number
08168560
Date of patent
May 1, 2012
Patent application number
12067837
Date Filed
October 4, 2006
Patent primary examiner
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