Patents by Inventor Patrick Rey
Patrick Rey has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11365169Abstract: A method for preparing a compound of formula (I) in which R1 is selected from H and alkyls, R2 is selected from H, alkyls, OR? where R? is selected from alkyls, silyls, CO-alkyl, R3 is selected from the acyl groups of the CO(R?) type, and the CO(OR?), CO(NR?R??), PO(OR?)(OR??), PO(OR?)(R??) groups where R? and R??, independently of each other, are selected from H and alkyls, R represents a C(R4)?C(R5)(R6) group where R4, R5 and R6, independently of each other, are selected from H, linear or cyclic alkyls and alkenyls, aryls, alkylaryls, or R4 and R5 together form a saturated or unsaturated, substituted or unsubstituted ring, from a compound of formula (II) or a compound of formula (III) in which, R, R1, R2 and R3 have the above definition.Type: GrantFiled: August 19, 2019Date of Patent: June 21, 2022Inventors: Patrick Rey, Robert Huet, Jean-Michel Joerger, Vivien Henryon
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Patent number: 11220474Abstract: A method for preparing dehydro-cyclofarnesal from dehydro-farnesal by cyclization in the presence of an acid may include the dehydro-farnesal being obtained from the farnesal by dehydrogenation and may further includes the cyclization being carried out in the presence of an acid selected from Lewis acids, Bronstedt acids, and zeolites. The synthesis of vitamin A using this method further includes the conversion of dehydro-cyclofarnesal into vitamin A.Type: GrantFiled: August 19, 2019Date of Patent: January 11, 2022Assignee: ADISSEO FRANCE S.A.S.Inventors: Patrick Rey, Robert Huet, Sylvain Aubry, Vivien Henryon
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Publication number: 20210309596Abstract: A method for preparing dehydro-cyclofarnesal from dehydro-farnesal by cyclization in the presence of an acid may include the dehydro-farnesal being obtained from the farnesal by dehydrogenation and may further includes the cyclization being carried out in the presence of an acid selected from Lewis acids, Bronstedt acids, and zeolites. The synthesis of vitamin A using this method further includes the conversion of dehydro-cyclofarnesal into vitamin A.Type: ApplicationFiled: August 19, 2019Publication date: October 7, 2021Inventors: Patrick REY, Robert HUET, Sylvain AUBRY, Vivien HENRYON
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Publication number: 20210309597Abstract: A method for preparing a compound of formula (I) in which R1 is selected from H and alkyls, R2 is selected from H, alkyls, OR? where R? is selected from alkyls, silyls, CO-alkyl, R3 is selected from the acyl groups of the CO(R?) type, and the CO(OR?), CO(NR?R??), PO(OR?)(OR??), PO(OR?)(R??) groups where R? and R??, independently of each other, are selected from H and alkyls, R represents a C(R4)?C(R5)(R6) group where R4, R5 and R6, independently of each other, are selected from H, linear or cyclic alkyls and alkenyls, aryls, alkylaryls, or R4 and R5 together form a saturated or unsaturated, substituted or unsubstituted ring, from a compound of formula (II) or a compound of formula (ill) in which, R, R1, R2 and R3 have the above definition.Type: ApplicationFiled: August 19, 2019Publication date: October 7, 2021Inventors: Patrick REY, Robert HUET, Jean-Michel JOERGER, Vivien HENRYON
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Publication number: 20200283387Abstract: The invention relates to a method for preparing a compound (I) or one of the salts thereof, and the uses of said method, R1OOC—C(?X)—CHR2R3(I), wherein X is selected among O; N—R?, wherein R? is H or a C1-C6 alkyl; and N—OR? wherein R? is H, or a C1-C6 alkyl or an alkylaryl; R1 is H or a C1-C6 alkyl group; R2 is H, a C1-C6 alkyl, or an alkylaryl; and R3 is CH2SR4 or CH2SeR4, where R4 is H or a C1-C6 alkyl from a compound (II), or one of the salts thereof, R1OOC—C(?X)—CHR2R5 and R5 is H or COOR6, where R6 is H or a C1-C6 alkyl, said method being carried out in the presence of a compound (III) CH2(Y)(Z).Type: ApplicationFiled: January 17, 2017Publication date: September 10, 2020Inventors: Robert HUET, Vivien HENRYON, Jérôme MONBRUN, Etienne AIRIAU, Sylvain AUBRY, Patrick REY
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Patent number: 10494335Abstract: The invention concerns a continuous process for manufacturing methionine by alkaline hydrolysis of methionine hydantoin in aqueous phase, removing NH3 and CO2 of the hydrolysis medium, and neutralizing the obtained methioninate salt, according to which, after removal of NH3 and CO2, the hydrolysis reaction medium is concentrated to precipitate Na2CO3, said Na2CO3 being separated then recycled for alkaline hydrolysis, the latter being carried out in the presence of NaOH and Na2CO3.Type: GrantFiled: April 15, 2016Date of Patent: December 3, 2019Assignee: ADISSEO FRANCE S.A.S.Inventors: Nicolas Capelle, Patrick Rey
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Patent number: 10442760Abstract: The invention concerns a synthesis process of a compound of the following formula (I) or one of the salts thereof, wherein R represents a COOH, CH2OH or CHO group, comprising the step according to which the but-3-ene-1,2-diol (BDO) is subjected to an oxidation in the presence of a catalyst, said catalyst comprising an active phase based on at least one noble metal selected from palladium, gold, silver, platinum, rhodium, osmium, ruthenium and iridium, and a support containing alkaline sites. The invention also concerns the application of this reaction to the preparation of bioavailable compounds of methionine used, in particular, in animal nutrition.Type: GrantFiled: December 7, 2015Date of Patent: October 15, 2019Assignee: ADISSEO FRANCE S.A.S.Inventors: Patrick Rey, Virginie Belliere-Baca, Franck Dumeignil, Fabien Grasset
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Patent number: 10071937Abstract: The invention relates to a method for preparing an olefine, a diene or a polyene, by catalytic conversion of at least one alcohol having a carbon chain of at least three carbon atoms and different from propan-2-ol, in the presence of at least one catalyst based of at least one phosphate of a metal or several metals M, M being chosen from among the 15 lanthanides (Lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium), Yttrium, Scandium and Boron, and the applications of this method.Type: GrantFiled: February 4, 2014Date of Patent: September 11, 2018Assignees: ADISSEO FRANCE S.A.S, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARDInventors: Jean-Marc Millet, Virginie Belliere-Baca, Thi Tuyet Nhung Nguyen, Robert Huet, Patrick Rey, Pavel Afanasiev
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Publication number: 20180111899Abstract: The invention concerns a continuous process for manufacturing methionine by alkaline hydrolysis of methionine hydantoin in aqueous phase, removing NH3 and CO2 of the hydrolysis medium, and neutralizing the obtained methioninate salt, according to which, after removal of NH3 and CO2, the hydrolysis reaction medium is concentrated to precipitate Na2CO3, said Na2CO3 being separated then recycled for alkaline hydrolysis, the latter being carried out in the presence of NaOH and Na2CO3.Type: ApplicationFiled: April 15, 2016Publication date: April 26, 2018Inventors: Nicolas CAPELLE, Patrick REY
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Publication number: 20170342029Abstract: The invention concerns a synthesis process of a compound of the following formula (I) or one of the salts thereof, wherein R represents a COOH, CH2OH or CHO group, comprising the step according to which the but-3-ene-1,2-diol (BDO) is subjected to an oxidation in the presence of a catalyst, said catalyst comprising an active phase based on at least one noble metal selected from palladium, gold, silver, platinum, rhodium, osmium, ruthenium and iridium, and a support containing alkaline sites. The invention also concerns the application of this reaction to the preparation of bioavailable compounds of methionine used, in particular, in animal nutrition.Type: ApplicationFiled: December 7, 2015Publication date: November 30, 2017Inventors: Patrick REY, Virginie BELLIERE-BACA, Franck DUMEIGNIL, Fabien GRASSET
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Publication number: 20150361007Abstract: The invention relates to a method for preparing an olefine, a diene or a polyene, by catalytic conversion of at least one alcohol having a carbon chain of at least three carbon atoms and different from propan-2-ol, in the presence of at least one catalyst based of at least one phosphate of a metal or several metals M, M being chosen from among the 15 lanthanides (Lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium), Yttrium, Scandium and Boron, and the applications of this method.Type: ApplicationFiled: February 4, 2014Publication date: December 17, 2015Inventors: Jean-Marc MILLET, Virginie BELLIERE-BACA, Thi Tuyet Nhung NGUYEN, Robert HUET, Patrick REY, Pavel AFANASIEV
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Patent number: 9187395Abstract: The disclosure concerns a method for preparing acrolein from glycerol, according to which a dehydration of the glycerol is carried out in the presence of a catalyst MWOA, wherein MWO represents a mixture of simple oxides and/or mixed oxides of tungsten and at least one metal M selected among zirconium, silicon, titanium, aluminium and yttrium, and A represents one or several Lewis base(s), one said Lewis base being of the formula B(R1)p(R2)q(R3)r, wherein B is an element selected among C, S, P, O, N and halides, R1, R2 and R3 represent, independently of each other, H, a C1-C6 alkyl group, O, OH or OR wherein R represents a C1-C6 alkyl group, and the sum of p, q and r varies from 0 to 4.Type: GrantFiled: October 29, 2013Date of Patent: November 17, 2015Assignees: ADISSEO FRANCE S.A.S., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE CLAUDE BERNARDInventors: Raja Znaiguia, Jean-Marc Millet, Stéphane Loridant, Patrick Rey
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Publication number: 20150239815Abstract: The disclosure concerns a method for preparing acrolein from glycerol, according to which a dehydration of the glycerol is carried out in the presence of a catalyst MWOA, wherein MWO represents a mixture of simple oxides and/or mixed oxides of tungsten and at least one metal M selected among zirconium, silicon, titanium, aluminium and yttrium, and A represents one or several Lewis base(s), one said Lewis base being of the formula B(R1)p(R2)q(R3)r, wherein B is an element selected among C, S, P, O, N and halides, R1, R2 and R3 represent, independently of each other, H, a C1-C6 alkyl group, O, OH or OR wherein R represents a C1-C6 alkyl group, and the sum of p, q and r varies from 0 to 4.Type: ApplicationFiled: October 29, 2013Publication date: August 27, 2015Inventors: Raja Znaiguia, Jean-Marc Millet, Stéphane Loridant, Patrick Rey
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Patent number: 8962884Abstract: The invention concerns a method for preparing a complex of an acid chosen from among methionine, 2-hydroxy-4-methylthiobutanoic acid (HMTBA) and lactic acid, and of at least one metal, starting from said acid and a mineral metal source, wherein the acid is caused to react with the mineral metal source in an extruder.Type: GrantFiled: September 21, 2011Date of Patent: February 24, 2015Assignee: Adisseo Ireland LimitedInventors: Jean-Claude Le Thiesse, Patrick Rey, Vivien Henryon
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Publication number: 20130172617Abstract: The invention concerns a method for preparing a complex of an acid chosen from among methionine, 2-hydroxy-4-methylthiobutanoic acid (HMTBA) and lactic acid, and of at least one metal, starting from said acid and a mineral metal source, wherein the acid is caused to react with the mineral metal source in an extruder.Type: ApplicationFiled: September 21, 2011Publication date: July 4, 2013Applicant: ADISSEO IRELAND LIMITEDInventors: Jean-Claude Le Thiesse, Patrick Rey, Vivien Henryon
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Publication number: 20100178380Abstract: The invention relates to a process for preparing 2-oxo-4-methylthiobutyric acid (I), its salts and its derivatives in which R represents a group chosen from COOH, COOR?, NH2, NHR? or NR?R?, where R? and R? are chosen, independently of one another, from the group of linear or branched alkyl radicals having from 1 to 12 carbon atoms and cycloalkyl radicals having from 3 to 12 carbon atoms, according to which process but-3-ene-1,2-diol (II) is catalytically and selectively oxidized to give 2-oxobut-3-enoic acid (III) and methyl mercaptan is selectively condensed with 2-oxobut-3-enoic acid (III). 2-Oxo-4-methylthiobutyric acid (I), its salts and its derivatives are used as food supplement, in particular in animal nutrition.Type: ApplicationFiled: December 30, 2009Publication date: July 15, 2010Applicant: ADISSEO IRELAND LIMITEDInventors: Patrick Rey, Gilbert Blanchard
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Patent number: 7662997Abstract: The invention relates to a process for preparing 2-oxo-4-methylthiobutyric acid (I), its salts and its derivatives in which R represents a group chosen from COOH, COOR?, NH2, NHR? or NR?R?, where R? and R? are chosen, independently of one another, from the group of linear or branched alkyl radicals having from 1 to 12 carbon atoms and cycloalkyl radicals having from 3 to 12 carbon atoms, according to which process but-3-ene-1,2-diol (II) is catalytically and selectively oxidized to give 2-oxobut-3-enoic acid (III) and methyl mercaptan is selectively condensed with 2-oxobut-3-enoic acid (III). 2-Oxo-4-methylthiobutyric acid (I), its salts and its derivatives are used as food supplement, in particular in animal nutrition.Type: GrantFiled: December 29, 2005Date of Patent: February 16, 2010Assignee: Adisseo Ireland LimitedInventors: Patrick Rey, Gilbert Blanchard
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Patent number: 7531066Abstract: A process for purifying an aqueous solution to obtain purified gaseous acrolein by introducing the aqueous solution into a distillation column equipped at its base with at least one boiler and at its top with at least one condenser, withdrawing a liquid mixture essentially containing water at the base of the distillation column, withdrawing a gas essentially containing acrolein and water at the top of the distillation column, cooling the gas mixture withdrawn at the top of the distillation column in the condenser, to a temperature which makes it possible to obtain, on the one hand, an aqueous condensate and, on the other hand, an acrolein-rich gas mixture, and withdrawing the acrolein-rich gas mixture.Type: GrantFiled: February 12, 2003Date of Patent: May 12, 2009Assignee: Adisseo Ireland Ltd.Inventors: Georges Gros, Patrick Rey, Michel Garrait
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Publication number: 20080069920Abstract: The invention relates to a process for preparing 2-oxo-4-methylthiobutyric acid (I), its salts and its derivatives in which R represents a group chosen from COOH, COOR?, NH2, NHR? or NR?R?, where R? and R? are chosen, independently of one another, from the group of linear or branched alkyl radicals having from 1 to 12 carbon atoms and cycloalkyl radicals having from 3 to 12 carbon atoms, according to which process but-3-ene-1,2-diol (II) is catalytically and selectively oxidized to give 2-oxobut-3-enoic acid (III) and methyl mercaptan is selectively condensed with 2-oxobut-3-enoic acid (III). 2-Oxo-4-methylthiobutyric acid (I), its salts and its derivatives are used as food supplement, in particular in animal nutrition.Type: ApplicationFiled: December 29, 2005Publication date: March 20, 2008Applicant: ADISSEO IRELAND LIMITEDInventors: Patrick Rey, Gilbert Blanchard
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Patent number: 7256315Abstract: Process for the Production of 3-methylthiopropanal. A process for the production of 3-methylthiopropanal which reacting reaction medium comprising methyl mercaptan and acrolein in the presence of a catalyst comprising an organic base characterised in that the organic base is a N-alkyl morpholine compound.Type: GrantFiled: October 14, 2003Date of Patent: August 14, 2007Assignee: Adisseo Ireland Ltd.Inventor: Patrick Rey