Compositions and methods for making microporous ceramic materials
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United States of America Patent
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Issued Date -
Mar 4, 2004
app pub date -
Aug 26, 2003
filing date -
Aug 28, 2002
priority date (Note) -
Abandoned
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Abstract
The present invention provides methods for making a microporous ceramic material using a metal silicon powder and including a reaction sintering process of the silicon. A material for forming a microporous ceramic material used in these methods includes a metal silicon powder, a silicon nitride powder and/or a silicon carbide powder, and if desired, a yttrium oxide powder and/or an aluminum oxide powder. These methods can make a microporous ceramic material that can be used preferably as a gas or liquid filter, a catalyst carrier or a support of a gas separation membrane.
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