CATALYST FOR EXHAUST GAS PURIFICATION
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United States of America Patent
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Issued Date -
Oct 6, 2016
app pub date -
Mar 31, 2016
filing date -
Mar 31, 2015
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Abstract
A honeycomb catalyst for exhaust gas purification comprising a honeycomb body, the honeycomb body comprising: a fraction acting as a pollutant trap and/or having a catalytically active fraction based on a catalytically active system comprising a base metal; and a catalytically inactive fraction, wherein the catalytically inactive fraction comprises at least one thermally stable sulphate or sulphide component for reducing thermally induced shrinkage of the honeycomb body.
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