Platinum group metal oxide sols
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United States of America Patent
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Sep 8, 2015
Grant Date -
Feb 14, 2008
app pub date -
Jun 17, 2005
filing date -
Jun 21, 2004
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Abstract
A sol includes metal oxide nanoparticles and stabilizer ions dispersed in an aqueous liquid. The nanoparticles include a metal selected from the group of platinum, palladium, rhodium, iridium, ruthenium and osmium and the molar ratio of metal: stabilizer ions is at least 0.7. A method of preparing supported catalyst materials includes contacting the sols with support materials.
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