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United States of America Patent
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Jul 19, 2016
Grant Date -
Aug 15, 2013
app pub date -
Jul 21, 2011
filing date -
Aug 3, 2010
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Abstract
A platinum alloy catalyst PtXY, wherein X is a transition metal (other than platinum, palladium or iridium) and Y is a transition metal (other than platinum, palladium or iridium) which is less leachable than X in an acidic environment, has an atomic percentage in the alloy of platinum is from 20.5-40at %, of X is from 40.5-78.5at % X and of Y is from 1-19.5at %.
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