Porous catalyst washcoats
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United States of America Patent
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Jan 16, 2018
Grant Date -
Apr 13, 2017
app pub date -
Dec 22, 2016
filing date -
Mar 6, 2013
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Abstract
Catalyst washcoats with improved porosity and methods for making the washcoats are provided. The process comprises incorporation of an oil-in-water macroemulsion into the catalyst slurry prior to washcoating the carrier substrate, and calcining the washcoated carrier substrate to remove the oil-in-water macroemulsion. Also provided are catalyst articles comprising the washcoat and methods for abatement of exhaust gas emissions.
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