Adhesion and coating integrity of washcoats and overcoats
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United States of America Patent
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Issued Date -
Apr 1, 2010
app pub date -
Sep 26, 2008
filing date -
Sep 26, 2008
priority date (Note) -
Abandoned
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Abstract
The present invention pertains to the addition of a carboxylic acid, preferably formic acid or acetic acid, to a washcoat and/or overcoat slurry to improve the properties of the slurry, including adhesion of the slurry to a substrate. The present invention provides for the reduction in oxide solid loss, increase in oxide solid pickup, and a more efficient method of producing washcoat and/or overcoat slurries.
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