Process for preparing mercaptoorganyl (alkoxysilanes)
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United States of America Patent
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Apr 14, 2009
Grant Date -
Nov 9, 2006
app pub date -
May 2, 2006
filing date -
May 3, 2005
priority date (Note) -
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Abstract
The present invention relates to a process for preparing mercaptoorganyl(alkoxysilanes), by hydrogenating bis(alkoxy-silylorganyl) polysulphides with hydrogen in the presence of at least one alcohol and a doped metal catalyst. The doped metal catalyst comprises at least one substance from the group consisting of iron, iron compound, nickel, nickel compound, palladium, palladium compound, osmium, osmium compound, ruthenium, ruthenium compound, rhodium, rhodium compound, iridium and iridium compound plus at least one doping component.
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