Four-way diesel catalysts and methods of use
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United States of America Patent
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Aug 21, 2012
Grant Date -
Apr 7, 2011
app pub date -
Oct 2, 2009
filing date -
Oct 2, 2009
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Abstract
Provided are catalyst articles, emission treatment systems and methods for simultaneously remediating the carbon monoxide, nitrogen oxides (NOx), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The emission treatment system of specific embodiment effectively treats diesel engine exhaust with a single catalyst article.
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