US Patent 7438878 Selective catalytic reduction of N
Patent 7438878 was granted and assigned to Basf Catalysts on October, 2008 by the United States Patent and Trademark Office.
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Patent abstract
A gas stream containing nitrous oxide and ammonia is contacted with a catalyst composition containing a zeolite. N2O is reduced to N2 and H2O at low temperatures in a highly efficient manner. Ammonia-mediated reduction of nitrous oxide can be effectuated from gas streams having N2O concentrations as low as 1%. The gas stream may also contact a catalytic composition selective for the reduction of NOx. In this way, N2O and Nx treatment may be effectuated in a single process stream.
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US Patent 07438878 Selective catalytic reduction of N US Patent 7438878 Selective catalytic reduction of N
Infobox
Patent Number
0743887800
Patent Number
743887800
Edits on 31 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074388780
Date of Patent
October 21, 2008
0Patent Application Number
098043280
Date Filed
March 12, 2001
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074388780
Date of Patent
October 21, 2008
0Patent Application Number
098043280
Date Filed
March 12, 2001
0Official Website
Patent Primary Examiner
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US Patent 07438878 Selective catalytic reduction of N
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07438878
Date of patent
October 21, 2008
Patent application number
09804328
Date Filed
March 12, 2001
Patent primary examiner
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