Method of oxidising hydrocarbons to acids
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United States of America Patent
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Mar 24, 2009
Grant Date -
Dec 2, 2004
app pub date -
Jul 15, 2002
filing date -
Aug 3, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to a process for the oxidation of hydrocarbons, in particular of branched or unbranched saturated aliphatic hydrocarbons, of cycloaliphatic or alkylaromatic hydrocarbons or of alcohols and/or ketones, to acid or polyacid compounds.It relates more particularly to the oxidation, by an oxidizing agent comprising molecular oxygen, of cyclohexane and/or of cyclohexanol and/or cyclohexanone to adipic acid, in the presence of an aromatic organic acid and a manganese-based catalyst. The yield and selectivity for adipic acid are of a high level with respect to those obtained with other solvents and catalysts.
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