Process for the conversion of a crude glycerol, crude mixtures of naturally derived multicomponent aliphatic hydrocarbons or esters thereof to a chlorohydrin
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United States of America Patent
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Aug 7, 2012
Grant Date -
Jul 21, 2011
app pub date -
Feb 9, 2011
filing date -
Jul 21, 2004
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Abstract
A process for converting a crude glycerol, crude mixtures of naturally derived multihydroxylated-aliphatic hydrocarbons or esters thereof to a chlorohydrin, by contacting the crude glycerol, crude mixtures of naturally derived multihydroxylated-aliphatic hydrocarbons or esters thereof starting material with a source of a superatmospheric partial pressure of hydrogen chloride for a sufficient time and at a sufficient temperature, and wherein such contracting step is carried out without substantial removal of water, to produce the desired chlorohydrin product; wherein the desired product or products can be made in high yield without substantial formation of undesired overchlorinated byproducts; wherein said crude glycerol, said ester of crude glycerol, or mixture thereof is derived from a renewable raw material. Chlorohydrins made by the process of the present invention are useful in preparing epoxides such as epichlorohydrins.
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