Branched largely insatured fatty alcohols

Details Branched largely insatured fatty alcohols Branched largely insatured fatty alcohols

C - Chemistry, Metallurgy

07

C

C07C 33/02 (2006.01) C07C 29/149 (2006.01) C11D 1/68 (2006.01) C11D 3/20 (2006.01) A61K 47/10 (2006.01)

Patent

CA 2377110

The invention relates to branched, largely unsaturated fatty alcohols that are obtained by (a) dimerizing unsaturated fatty acids with 16 to 22 carbon atoms in a known-manner, (b) separating the monomer fraction obtained during the dimerization, (c) converting the branched, largely unsaturated fatty acids that are contained in this fraction into the corresponding fatty acid methyl esters and (d) hydrogenating the branched, largely unsaturated fatty acid methyl esters in such a way as to obtain the double bonds.

L'invention concerne des alcools gras ramifiés et largement insaturés. Pour les obtenir : (a) on procède à la dimérisation, d'une façon connue en soi, d'acides gras insaturés ayant 16 à 22 atomes de carbone ; (b) on sépare la fraction monomère produite lors de la dimérisation ; (c) on transforme les acides gras ramifiés et largement insaturés, contenus dans cette fraction, en esters méthyliques d'acide gras et (d) on procède à l'hydrogénation des esters méthyliques d'acide gras ramifiés et largement insaturés pour obtenir des doubles liaisons.

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