Ceramic body and ceramic catalyst body
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United States of America Patent
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-
Apr 15, 2008
Grant Date -
Mar 6, 2003
app pub date -
Mar 22, 2002
filing date -
Mar 22, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A ceramic body that can support a required amount of catalyst component, without lowering the characteristics such as strength, manufactured without forming a coating layer and providing a high performance ceramic catalyst body that is excellent in practical utility and durability. This ceramic body is made by substituting at least one of the constituent elements of cordierite that constitutes the substrate ceramic, for example Al, with W that is the element having an empty orbit in d or f orbit, has high bonding strength and is less susceptible to deterioration since the catalyst component Pt is supported by means of chemical bonding.
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