Platinum-free chelate-catalyst material for the selective reduction of oxygen and method for production thereof
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United States of America Patent
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May 19, 2009
Grant Date -
Nov 25, 2004
app pub date -
Jul 3, 2002
filing date -
Jul 3, 2001
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Expired
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Abstract
A platinum-free chelate catalyst material consisting of at least one unsupported transition metal, a nitrogen-containing organo-metallic transition complex, a further transition metal other than the unsupported transition metal and a chalcogenic compound.
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