The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 05, 2016
Filed:
Feb. 24, 2010
Jean-luc Dubois, Millery, FR;
Claire Bourlieu-lacanal, Rennes, FR;
Jerome Lecomte, St Gely du Fesc, FR;
Eric Dubreucq, Montpellier, FR;
Pierre Villeneuve, Montpellier, FR;
Jean-Luc Dubois, Millery, FR;
Claire Bourlieu-Lacanal, Rennes, FR;
Jerome Lecomte, St Gely du Fesc, FR;
Eric Dubreucq, Montpellier, FR;
Pierre Villeneuve, Montpellier, FR;
ARKEMA FRANCE, Colombes, FR;
Abstract
The present invention relates to a method for preparing ricinoleic acid ester from a pure or mixed vegetable oil, in particular castor oil, wherein the method includes at least the step of enzymatic transesterification in the presence of a light alcohol and using a typo-selective lipase in order to obtain a fraction enriched with ricinoleic acid ester. The method according to the invention for producing ricinoleic acid ester includes the steps: i) a first transesterification reaction in the presence of a light alcohol and a lipase extracted from, in order to obtain a mixture M containing AR mono-, di- and triglycerides, fatty acid esters other than AR, alcohol; ii) the step of separating said mixture M into at least two fractions, including a fraction A enriched with AR glycerides, and a fraction B enriched with fatty acid esters other than RA; iii) the step of converting said AR glycerides into AR esters consisting of a fraction C rich in AR esters and a fraction rich in alcohols.