Catalytic devices and method of making said devices
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United States of America Patent
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Oct 11, 2005
Grant Date -
Nov 8, 2001
app pub date -
Dec 21, 2000
filing date -
Dec 23, 1999
priority date (Note) -
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status (Latency Note)
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Abstract
The invention is a catalytic device comprised of a catalyst support of fused ceramic grains and a catalyst that is surface-bound to at least a portion of the ceramic grains, incorporated into at least a portion of the ceramic grains or combinations thereof, wherein the grains and catalyst form a surface structure that has a box counting dimension of greater than 1.00 or the box counting dimension has at least one step change when measured from a box size 'd' of at least about 1 micrometer to at most about 1 millimeter. The invention is particularly useful in making a catalytic converter or catalytic converter-soot trap.
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