Methods of refining and producing dibasic esters and acids from natural oil feedstocks
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United States of America Patent
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Mar 15, 2016
Grant Date -
Oct 22, 2015
app pub date -
Feb 23, 2015
filing date -
Oct 12, 2009
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Abstract
Methods are provided for refining natural oil feedstocks and producing dibasic esters and/or dibasic acids. The methods comprise reacting a terminal olefin with an internal olefin in the presence of a metathesis catalyst to form a dibasic ester and/or dibasic acid. In certain embodiments, the olefin esters are formed by reacting the feedstock in the presence of a metathesis catalyst under conditions sufficient to form a metathesized product comprising olefins and esters, separating the olefins from the esters in the metathesized product, and transesterifying the esters in the presence of an alcohol to form a transesterified product having olefin esters.
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