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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 ...


2
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 ...


5
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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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 ...


8
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 ...


9
Albrecht Weiss, Eric Dubreucq, Jean Pierre Molitor: Use of Pit Emulsions in Biocatalytic Reactions. Cognis Corporation, September 18, 2008: US20080227170-A1

Oil-in-water emulsions produced by the phase inversion temperature process, with droplet sizes of 50 to 400 nm, for use as the reaction medium for biocatalytic reactions.


10
Albrecht Weiss, Michael Mueller, Eric Dubreucq, Guy Moulin: Use of Pit Emulsions in Enzymatic Reactions. Cognis Corporation, November 22, 2007: US20070270507-A1

An oil in water emulsion including water, an emulsifier and an oil phase is produced by the phase inversion temperature process and has a droplet size of 50 to 400 nm is provided. A process for the enzyme-catalyzed esterification, transesterification or hydrolysis of fatty acid alkyl esters and/or t ...



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