Nonwoven composites and related products and methods
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United States of America Patent
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Aug 11, 2009
Grant Date -
Jul 17, 2008
app pub date -
Oct 31, 2007
filing date -
Oct 28, 2002
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Abstract
A method of forming a porous honeycomb substrate including a non-woven fibrous ceramic body is provided herein. The fibrous ceramic body is substantially composed of intertangled ceramic fiber forming a rigid three-dimensional matrix. Washcoat and catalyst materials can be applied to at least partially coat the honeycomb channels. The porous honeycomb substrate provides an improved substrate for use in filtration applications such as exhaust particulate filtration of internal combustion engines.
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