Gold- and reducible oxide-based composition, method for the preparation and the use thereof in the form of a catalyst, in particular for carbon monoxide oxidation
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United States of America Patent
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Issued Date -
Jun 14, 2007
app pub date -
Feb 17, 2005
filing date -
Feb 18, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a gold-based composition on a reducible oxide-based support characterised in that the halogen content thereof with respect to a molar halogen/gold ratio is equal to or less than 0.05, wherein the gold is embodied in the form of particles whose size is equal to or less than 10 nm and the composition is exposed to reduction treatment. The inventive composition can be used in the form of a catalyst in carbon monoxide oxidation methods, for treating tobacco smoke and air.
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