Catalyst-carrying filter
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United States of America Patent
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Dec 1, 2009
Grant Date -
Feb 19, 2004
app pub date -
Oct 1, 2001
filing date -
Sep 29, 2000
priority date (Note) -
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Abstract
A catalyst holding filter reducing a pressure loss. A catalyst holding filter (10) is made of a ceramic support (4) of SiC covered with a catalyst layer (2). An average pore size of the ceramic support is 10-250 .mu.m, and a porosity of the ceramic support is 40-80%. The catalyst layer contains a catalyst, a cocatalyst and a support material.
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