Patents by Inventor Lucia Bonomo
Lucia Bonomo 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: 11858948Abstract: Described herein are catalytic hydrogenation processes, using Ru complexes with tetradentate ligands of formula L in hydrogenation processes for the reduction of ketone, aldehyde, ester, or lactone into the corresponding alcohol or diol respectively. These processes use a ruthenium complex of formula (1) as defined herein.Type: GrantFiled: March 12, 2019Date of Patent: January 2, 2024Assignee: FIRMENICH SAInventors: Philippe Dupau, Lucia Bonomo, Laurent Kermorvan, Murielle Haldimann Sanchez
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Publication number: 20230265025Abstract: The present invention relates to the field of organic synthesis and more specifically it concerns a process for preparing compound of formula (I) catalyzed by a nickel complex. The compound of formula (II) is also part of the invention.Type: ApplicationFiled: July 26, 2021Publication date: August 24, 2023Inventors: Denis JACOBY, Philippe DUPAU, Lucia BONOMO, Simone CHAPPUIS, Virginie BLANCHARD
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Patent number: 11339113Abstract: Described herein is a process for the preparation of a mixture of compounds of formula having a weight ratio of the cis-diastereomers to trans-diastereoisomers higher than 1:1, where R1 represents a C1-8 alkyl group, a C2-8 alkenyl group or a C2-8 alkynyl group, each optionally substituted with one or two of a C1-4 alkyl alkoxy ether group and/or a C1-4 alkyl carboxylester group and R2 represents a C1-6 alkyl, a C2-6 alkenyl or a C2-6 alkynyl group, each optionally substituted with a C1-4 alkyl alkoxy ether group, a carboxylic acid group or a C1-4 alkyl carboxylester group and compounds suitable in the process.Type: GrantFiled: December 16, 2019Date of Patent: May 24, 2022Assignee: Firmenich SAInventors: Denis Jacoby, Lucia Bonomo
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Publication number: 20210323904Abstract: Described herein is a process for the preparation of a mixture of compounds of formula having a weight ratio of the cis-diastereomers to trans-diastereoisomers higher than 1:1, where R1 represents a C1-8 alkyl group, a C2-8 alkenyl group or a C2-8 alkynyl group, each optionally substituted with one or two of a C1-4 alkyl alkoxy ether group and/or a C1-4 alkyl carboxylester group and R2 represents a C1-6 alkyl, a C2-6 alkenyl or a C2-6 alkynyl group, each optionally substituted with a C1-4 alkyl alkoxy ether group, a carboxylic acid group or a C1-4 alkyl carboxylester group and compounds suitable in the process.Type: ApplicationFiled: December 16, 2019Publication date: October 21, 2021Inventors: Denis Jacoby, Lucia Bonomo
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Publication number: 20200399299Abstract: Described herein are catalytic hydrogenation processes, using Ru complexes with tetradentate ligands of formula L in hydrogenation processes for the reduction of ketone, aldehyde, ester, or lactone into the corresponding alcohol or diol respectively. These processes use a ruthenium complex of formula (1) as defined herein.Type: ApplicationFiled: March 12, 2019Publication date: December 24, 2020Inventors: Philippe DUPAU, Lucia BONOMO, Laurent KERMORVAN, Murielle HALDIMANN SANCHEZ
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Patent number: 9714263Abstract: The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a C5-C20 substrate containing one or two aldehydes functional groups into the corresponding alcohols or diol, characterized in that said process is carried out in the presence of —at least one catalyst or pre-catalyst in the form of a ruthenium complex having a coordination sphere of the N1P3O2, wherein the coordinating atom N and one coordinating atom P are provided by a first bidentate ligand, and the two other coordinating atoms P2 are provided by a second bidentate ligand and the coordinating atoms O2 are provided by two non-linear carboxylate ligands; and —optionally of an acidic additive.Type: GrantFiled: March 6, 2014Date of Patent: July 25, 2017Assignee: Firmenich SAInventors: Philippe Dupau, Lucia Bonomo, Laurent Kermorvan
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Publication number: 20160039853Abstract: The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a C5-C20 substrate containing one or two aldehydes functional groups into the corresponding alcohols or diol, characterized in that said process is carried out in the presence of—at least one catalyst or pre-catalyst in the form of a ruthenium complex having a coordination sphere of the N1P3O2, wherein the coordinating atom N and one coordinating atom P are provided by a first bidentate ligand, and the two other coordinating atoms P2 are provided by a second bidentate ligand and the coordinating atoms O2 are provided by two non-linear carboxylate ligands; and—optionally of an acidic additive.Type: ApplicationFiled: March 6, 2014Publication date: February 11, 2016Applicant: FIRMENICH SAInventors: Philippe DUPAU, Lucia BONOMO, Laurent KERMORVAN
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Patent number: 9090534Abstract: The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a C5-C20 substrate containing one or two aldehydes functional groups into the corresponding alcohol or diol, characterized in that said process is carried out in the presence of —at least one catalyst or pre-catalyst in the form of a ruthenium complex having a coordination sphere of the N2P2O2, wherein the coordinating atoms N2 are provided by a first bidentate ligand, the coordinating atoms P2 are provided by a second bidentate ligand and the coordinating atoms O2 are provided by two non-linear carboxylate ligands; and—optionally of an acidic additive.Type: GrantFiled: September 27, 2012Date of Patent: July 28, 2015Assignee: Firemenich SAInventors: Philippe Dupau, Lucia Bonomo, Laurent Kermorvan
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Publication number: 20140243526Abstract: The present invention relates to processes for the reduction by hydrogenation, using molecular H2, of a C5-C20 substrate containing one or two aldehydes functional groups into the corresponding alcohol or diol, characterized in that said process is carried out in the presence of —at least one catalyst or pre-catalyst in the form of a ruthenium complex having a coordination sphere of the N2P2O2, wherein the coordinating atoms N2 are provided by a first bidentate ligand, the coordinating atoms P2 are provided by a second bidentate ligand and the coordinating atoms O2 are provided by two non-linear carboxylate ligands; and —optionally of an acidic additive.Type: ApplicationFiled: September 27, 2012Publication date: August 28, 2014Applicant: FIRMENICH SAInventors: Philippe Dupau, Lucia Bonomo, Laurent Kermorvan
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Patent number: 8575346Abstract: The present invention relates to the field of catalysis and, more particularly, to a ruthenium carbonate complex of formula [Ru(diene)(C03)] or [Ru(diene)(C03)2]Mn, wherein M is an alkaline (n is 2) or alkaline earth (n is 1) cation. The invention relates also to the use of said ruthenium carbonate complex as precursors for a number of Ru carboxylate complexes. Said specific ruthenium complexes possess a number of important advantages over the similar prior art known precursors.Type: GrantFiled: June 1, 2011Date of Patent: November 5, 2013Assignee: Firmenich SAInventors: Lucia Bonomo, Philippe Dupau, Serge Bonnaudet
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Patent number: 8466307Abstract: The present invention relates to the field of one step process for the preparation of monomeric or dimeric [Ru(diene)(OOCR)2]n complexes from [(diene)RuCl2]n, as well as a new class of [Ru(diene)(OOCR)2]n complexes and their use to prepare [Ru(PP)(OOCR)2] complexes, which are good catalysts.Type: GrantFiled: May 13, 2011Date of Patent: June 18, 2013Assignee: Firmenich SAInventors: Lucia Bonomo, Philippe Dupau, Serge Bonnaudet
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Publication number: 20130060035Abstract: The present invention relates to the field of catalysis and, more particularly, to a ruthenium carbonate complex of formula [Ru(diene)(C03)] or [Ru(diene)(C03)2]Mn, wherein M is an alkaline (n is 2) or alkaline earth (n is 1) cation. The invention relates also to the use of said ruthenium carbonate complex as precursors for a number of Ru carboxylate complexes. Said specific ruthenium complexes possess a number of important advantages over the similar prior art known precursors.Type: ApplicationFiled: June 1, 2011Publication date: March 7, 2013Applicant: FIRMENICH SAInventors: Lucia Bonomo, Philippe Dupau, Serge Bonnaudet
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Publication number: 20130035499Abstract: The present invention relates to the field of one step process for the preparation of monomeric or dimeric [Ru(di-ene) (OOCR)2]n complexes from [(diene)Ru Cl2]n, as well as a new class of [Ru(diene)(OOCR)2]mn complexes and their use to prepare [Ru(PP)(OOCR)2] complexes, which are good catalysts.Type: ApplicationFiled: May 13, 2011Publication date: February 7, 2013Applicant: FIRMENICH SAInventors: Lucia Bonomo, Philippe Dupau, Serge Bonnaudet
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Patent number: 8003838Abstract: The present invention relates to the use of Ruthenium complexes having cyclopentadienyl derivatives and a diene as ligands, together with some acidic additives for improving the selectivity in the 1,4-hydrogenation of conjugated dienes into the corresponding “cis”-alkene as major product, i.e. wherein the two substituents in position 2,3 of the diene are in a cis configuration in the corresponding alkene.Type: GrantFiled: April 2, 2008Date of Patent: August 23, 2011Assignee: Firmenich SAInventors: Philippe Dupau, Lucia Bonomo
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Patent number: 7754929Abstract: The present invention relates to the use of Ru complexes, having a pentamethyl-cyclopentadienyl and a cyclooctadine as ligands, together with some acidic additives for improving the selectivity in the 1,4-hydrogenation of sorbol into the corresponding Z-alkene as major product.Type: GrantFiled: April 2, 2008Date of Patent: July 13, 2010Assignee: Innovaroma SAInventors: Philippe Dupau, Lucia Bonomo
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Publication number: 20100113844Abstract: The present invention relates to the use of Ru complexes, having a pentamethyl-cyclopentadienyl and a cyclooctadine as ligands, together with some acidic additives for improving the selectivity in the 1,4-hydrogenation of sorbol into the corresponding Z-alkene as major product.Type: ApplicationFiled: April 2, 2008Publication date: May 6, 2010Inventors: Philippe Dupau, Lucia Bonomo
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Publication number: 20100099904Abstract: The present invention relates to the use of Ruthenium complexes having cyclopentadienyl derivatives and a diene as ligands, together with some acidic additives for improving the selectivity in the 1,4-hydrogenation of conjugated dienes into the corresponding “cis”-alkene as major product, i.e. wherein the two substituents in position 2,3 of the diene are in a cis configuration in the corresponding alkene.Type: ApplicationFiled: April 2, 2008Publication date: April 22, 2010Inventors: Philippe Dupau, Lucia Bonomo