purification catalyst
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United States of America Patent
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Jul 21, 2015
Grant Date -
Jul 10, 2014
app pub date -
Mar 13, 2014
filing date -
Feb 7, 2011
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Abstract
The present invention relates to a catalyst able to exhibit an NOx purification performance at a low temperature and/or in an oxidizing atmosphere, that is, a nitrogen oxides purification catalyst composed of particles having an average particle size of 0.2 to 100 nm and including gold atoms and iron atoms in a state of close proximity.
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