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Methods of refining and producing dibasic esters and acids from natural oil feedstocks

United States Patent

June 14, 2016
View the Complete Patent at the US Patent & Trademark Office
Methods and systems for making dibasic esters and/or dibasic acids using metathesis are generally disclosed. In some embodiments, the methods comprise reacting a terminal olefin ester with an internal olefin ester in the presence of a metathesis catalyst to form a dibasic ester and/or dibasic acid. In some embodiments, the terminal olefin ester or the internal olefin ester are derived from a renewable feedstock, such as a natural oil feedstock. In some such embodiments, the natural oil feedstock, or a transesterified derivative thereof, is metathesized to make the terminal olefin ester or the internal olefin ester.
Snead; Thomas E. (Bolingbrook, IL), Cohen; Steven A. (Naperville, IL), Gildon; Demond L. (Romeoville, IL)
Elevance Renewable Sciences, Inc. (Woodridge, IL)
14/ 048,673
October 8, 2013
GOVERNMENT RIGHTS This invention was made with government support under grant no. DE-EE0002872/001, awarded by the United States Department of Energy. The United States government has certain rights in this invention.