Monolithic catalysts and related process for manufacture
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Jun 1, 2001
filing date -
Jun 21, 1996
priority date (Note) -
Abandoned
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Abstract
The present invention is directed to a substrate, such as a honeycomb having a plurality of parallel channels defined by the honeycomb walls. The honeycomb has different zones along the length of the channels. The zones are defined by their coating (or lack of coating) and extend for a length of the channel in which there is the same coating and architecture. Soluble components in coating compositions are fixed in their respective zones.
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