Exhaust system having a gold-platinum group metal catalyst
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United States of America Patent
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Aug 7, 2012
Grant Date -
Mar 1, 2012
app pub date -
Oct 6, 2011
filing date -
Dec 19, 2008
priority date (Note) -
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Abstract
A method of providing an exhaust treatment device is disclosed. The method includes applying a catalyst including gold and a platinum group metal to a particulate filter. The concentration of the gold and the platinum group metal is sufficient to enable oxidation of carbon monoxide and nitric oxide.
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