PARTICULATE MATTER FILTER WITH CATALYTIC ELEMENTS
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United States of America Patent
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Issued Date -
Jan 7, 2016
app pub date -
Feb 28, 2014
filing date -
Mar 7, 2013
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Abstract
Described herein is a selective catalytic reduction (SCR) filter that includes a substrate that includes a first surface on a first side of the substrate and second surface on a second side of the substrate. The SCR filter further includes a semi-permeable membrane applied to the first surface. Additionally, the SCR filter includes an SCR washcoat applied to the second surface.
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