Nonwoven composites and related products and methods
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United States of America Patent
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Aug 18, 2009
Grant Date -
Aug 24, 2006
app pub date -
Dec 19, 2005
filing date -
Oct 28, 2002
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Abstract
A filtering catalytic substrate including a non-woven fibrous refractory body, a plurality of channels formed in the body, a washcoat layer at least partially coating the channels, and a catalyst material at least partially coating the washcoat. The body is substantially composed of interlocking fibers fabricated using methods of forming a rigid matrix of ceramic fibers to provide a porous substrate for filtration applications.
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