Silica support, heteropolyacid catalyst produced therefrom and ester synthesis using the silica supported heteropolyacid catalyst
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United States of America Patent
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Oct 7, 2008
Grant Date -
Jan 3, 2008
app pub date -
Sep 8, 2005
filing date -
Sep 22, 2004
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Abstract
A silica support for use in the manufacture of a silica supported heteropolyacid catalyst for use in producing a carboxylic ester from a monocarboxylic acid, olefin and water wherein the support is produced by treating silica-gel granules with steam at a temperature in the range 100 to 300.degree. C. for a period of time in the range 0.1 to 200 hours.
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