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Jean-luc Dubois
Jean Luc Dubois, Claire Bourlieu Lacanal, Jerome Lecomte, Eric Dubreucq, Pierre Villeneuve: Method for producing ricinoleic acid ester by selective enzymatic transesterification. Arkema France, March 15, 2012: US20120065419-A1

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 ...


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Eric Dubreucq, Albrecht Weiss, Bernhard Gutsche, Bernd Fabry, Guy Moulin: Process for the production of fatty acid alkyl esters. Cognis IP Management, Servilla Whitney, November 12, 2013: US08580986

Disclosed is an improved process for the production of fatty acid lower alkyl esters according to formula (I) R1CO—OR2  (I) in which R1CO represents a linear or branched acyl moiety having from about 6 to about 22 carbon atoms and 0 to 6 double bonds and wherein R2 is a linear or branched alkyl moie ...


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Albrecht Weiss, Michael Mueller, Eric Dubreucq, Guy Moulin: Emulsions in enzymatic reactions. Cognis IP Management, Diehl Servilla, November 27, 2012: US08318468

A reaction medium for enzyme-catalyzed reactions is provided, comprising an oil-in-water emulsion including water, an emulsifier, an oil phase and at least one interfacially active enzyme, where the emulsion is produced by the phase inversion temperature process and has a droplet size of 50 to 400 n ...


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Jean Luc Dubois, Claire Bourlieu Lacanal, Jerome Lecomte, Eric Dubreucq, Pierre Villeneuve: Method for producing ricinoleic acid ester by selective enzymatic transesterification. ARKEMA FRANCE, Smith Gambrell & Russell, January 5, 2016: US09228212

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 ...


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Laurent Roumeas, Hélène Fulcrand, Chahinez Aouf, Eric Dubreucq: Flavonoid derivative compounds and method for preparing same by depolymerization of condensed tannins. INSTITUT NATIONAL DE LA RECHERCHE AGRONOMIQUE, CENTRE INTERNATIONAL D ETUDES SUPERIEURES EN SCIENCES AGRONOMIQUES, UNIVERSITE DE MONTPELLIER 1, Im IP Law, C Andrews Im, July 24, 2018: US10030009

A compound of general formula (I) in which R1, R2, R3 and R5, identical or different, each represent a hydrogen atom or a hydroxyl group, optionally protected by a protecting group. R4 represents a hydrogen atom or an —OR7 group, in which R7 represents a hydrogen atom, a protecting group or a gallat ...


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Albrecht Weiss, Frederic Bigey, Eric Dubreucq, Guy Moulin: Enzymes with lipase/acyltransferase activity, nucleic acids encoding the same and methods of use thereof. Cognis Deutschland & Co KG, John F Daniels, July 24, 2007: US07247463

Polypeptides with lipase/acyltransferase activity are described with an amino acid sequence which has identity to the sequence reported in SEQ ID NO 2 of at least 49%, also polypeptides which display this activity, as well as nucleic acids (genes) which code for these polypeptides, vectors which con ...


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Albrecht Weiss, Frederic Bigey, Eric Dubreucq, Guy Moulin: Enzymes with lipase/acyltransferase activity, nucleic acids encoding the same and methods of use thereof. Cognis Corporation, July 22, 2004: US20040142441-A1

Polypeptides with lipase/acyltransferase activity are described with an amino acid sequence which has identity to the sequence reported in SEQ ID NO 2 of at least 49%, also polypeptides which display this activity, as well as nucleic acids (genes) which code for these polypeptides, vectors which con ...