Cognis Deutschland Gmbh & Co. Kg

Karl-Heinz Ruf

Peter Horlacher

Franz Timmermann

Juergen Gierke

Processes for preparing conjugated fatty acid glycerides comprising: (a) isomerizing a fatty acid lower alkyl ester corresponding to the general formula (I) in the presence of a basic catalyst at a temperature of from 100 to 160&#xb0; C., to form a conjugated fatty acid lower alkyl ester:RCO&#x2014;OR&#x2003;&#x2003;(I)wherein RCO represents an acyl radical having from 16 to 22 carbon atoms and at least two carbon-carbon unsaturations and Rrepresents an alkyl radical having from 1 to 4 carbon atoms; and (b) transesterifying the conjugated fatty acid lower alkyl ester with glycerol to form a conjugated fatty acid glyceride, wherein a lower alkanol corresponding to the general formula ROH is formed, wherein Ris as defined above, and the lower alkanol is continuously removed from the transesterification reaction; are described.

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Babenhausen, Germany

Karl-Heinz Ruf