C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/42 (2006.01) C11C 1/00 (2006.01) C11C 1/10 (2006.01)
Patent
CA 2501325
A process for removing saturated fatty acids from a primarily unsaturated fatty acid mixture is disclosed wherein the process comprises fractionally distilling off saturated C16 and other minor fatty acid components in the mixture to a level less than or equal to 4% by weight, adding a lower polyglycerol ester as a crystallization aid, then cooling and fractionally crystallizing out remaining saturated fatty acids to yield a product comprising less than 3.3% saturated fatty acids by weight.
L'invention concerne un procédé destiné à extraire les acides gras insaturés d'un mélange d'acides gras, le procédé consistant à distiller fraction par fraction les C¿16? saturés et les autres composants secondaires d'acides gras présents dans le mélange jusqu'à un niveau inférieur ou égal à 4 % en poids, à ajouter un ester de polyglycérol inférieur utilisé en tant qu'agent favorisant la cristallisation puis à refroidir et cristalliser fraction par fraction les acides gras saturés résiduels afin d'obtenir un produit comprenant moins de 3,3 % en poids d'acides gras saturés.
Breuer Thomas E.
Hendree Guy
Martin Shannon
Walker Kyle
Crompton Corporation
Gowling Lafleur Henderson Llp
Pmc Biogenix Inc.
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