US Patent 9579603 Zoned catalyst for treating exhaust gas
Patent 9579603 was granted and assigned to Johnson Matthey on February, 2017 by the United States Patent and Trademark Office.
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Patent abstract
Provided is a system for treating an exhaust gas comprising a first SCR catalyst zone comprising vanadium loaded on a metal oxide selected from TiO2, ZrO2, SiO2, CeO2, and Al2O3; and a second SCR catalyst zone comprising a copper loaded small-pore molecular sieve, wherein the first SCR catalyst zone is disposed upstream of the second SCR catalyst zone with respect to normal exhaust gas flow through the system. Also provided is a method for using the system to treat exhaust gas.
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Patent Inventor Names
Andrew Newman0
Gudmund Smedler0
Isabel Zoe Tingay0
Olivier Sonntag0
Tim Genschow0
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US Patent 09579603 Zoned catalyst for treating exhaust gas US Patent 9579603 Zoned catalyst for treating exhaust gas
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Patent Number
095796030
Patent Number
95796030
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
095796030
Date of Patent
February 28, 2017
0Patent Application Number
148262380
Date Filed
August 14, 2015
0Official Website
Patent Primary Examiner
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US Patent 09579603 Zoned catalyst for treating exhaust gas
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
09579603
Date of patent
February 28, 2017
Patent application number
14826238
Date Filed
August 14, 2015
Patent primary examiner
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