Patents by Inventor Lionel Saudan

Lionel Saudan 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).

  • Patent number: 11498901
    Abstract: Described herein are catalytic hydrogenation and the use of ruthenium complexes having a bidentate diphosphine ligand or two monodentate phosphine ligands, two carboxylate ligands, and optionally a diamine ligand in hydrogenation processes for the reduction of imines into the corresponding amines.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: November 15, 2022
    Assignee: FIRMENICH SA
    Inventor: Lionel Saudan
  • Patent number: 11390575
    Abstract: Described herein is a process including isomerizing the ? position of a ?-trisubstituted C3-C70 carbonyl compound.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: July 19, 2022
    Assignee: FIRMENICH SA
    Inventors: Lionel Saudan, Julie Quintaine
  • Publication number: 20220162181
    Abstract: Describes herein are methods of using ruthenium complexes in base-free hydrogenation processes for the reduction of imines into the corresponding amines.
    Type: Application
    Filed: July 30, 2020
    Publication date: May 26, 2022
    Inventor: Lionel Saudan
  • Publication number: 20220041536
    Abstract: Described herein is a process including isomerizing the ? position of a ?-trisubstituted C3-C70 carbonyl compound.
    Type: Application
    Filed: March 17, 2020
    Publication date: February 10, 2022
    Inventors: Lionel SAUDAN, Julie QUINTAINE
  • Publication number: 20210371382
    Abstract: Described herein are catalytic hydrogenation and the use of ruthenium complexes having a bidentate diphosphine ligand or two monodentate phosphine ligands, two carboxylate ligands, and optionally a diamine ligand in hydrogenation processes for the reduction of imines into the corresponding amines.
    Type: Application
    Filed: February 18, 2019
    Publication date: December 2, 2021
    Inventor: Lionel SAUDAN
  • Patent number: 10993464
    Abstract: A method to confer, enhance, improve or modify the flavor properties of a flavoring composition or flavored article by adding to the composition or article the compound 3-mercaptoheptyl acetate or an optically active enantiomer thereof in an amount effective to provide a flavor base having top notes of the citrus-grapefruit, teas and/or peach type and/or red fruit. The compound is typically added to provide an amount of from 0.0001 to 500 ppm in the flavoring composition or flavored article. Also, the resultant flavored composition or flavored article.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: May 4, 2021
    Assignee: Firmenich SA
    Inventors: Sina Dorothea Escher, Yvan Niclass, Lionel Saudan
  • Patent number: 10597605
    Abstract: A composition of matter comprising a) at least one compound of formula in the form of any one of its isomers or a mixture thereof; wherein R1 represents a hydrogen atom or a C1-2 alkyl group; and R represents a group of formula —CH2C(Me)2OH; with R being, relative to position 1, a meta, a para substituent of the aromatic ring or a mixture thereof; and b) at least one compound of formula in the form of any one of its isomers or a mixture thereof; wherein R1 and R have the same meaning as defined in formula (I); their uses as perfuming ingredients as well as perfuming composition and consumer products including such a composition of matter and a process to prepare the composition.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: March 24, 2020
    Assignee: FIRMENICH SA
    Inventors: Lionel Saudan, Francesco Santoro, Eric Walther
  • Patent number: 10538468
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Fe complexes with tridentate ligands, having one amino or imino coordinating group and two phosphino coordinating groups, in hydrogenation processes for the reduction of ketones or aldehydes, into the corresponding alcohol or diol, respectively.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: January 21, 2020
    Assignee: Firmenich SA
    Inventors: Lionel Saudan, Jézabel Praz
  • Patent number: 10526263
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Fe complexes with tridentate ligands, having one amino or imino coordinating group and two phosphino coordinating groups, in hydrogenation processes for the reduction of ketones or aldehydes, into the corresponding alcohol or diol, respectively.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: January 7, 2020
    Assignee: Firmenich SA
    Inventors: Lionel Saudan, Jézabel Praz
  • Publication number: 20190276769
    Abstract: A composition of matter comprising a) at least one compound of formula in the form of any one of its isomers or a mixture thereof; wherein R1 represents a hydrogen atom or a C1-2 alkyl group; and R represents a group of formula —CH2C(Me)2OH; with R being, relative to position 1, a meta, a para substituent of the aromatic ring or a mixture thereof; and b) at least one compound of formula in the form of any one of its isomers or a mixture thereof; wherein R1 and R have the same meaning as defined in formula (I); their uses as perfuming ingredients as well as perfuming composition and consumer products including such a composition of matter and a process to prepare the composition.
    Type: Application
    Filed: January 17, 2018
    Publication date: September 12, 2019
    Applicant: FIRMENICH SA
    Inventors: Lionel SAUDAN, Francesco SANTORO, Eric WALTHER
  • Publication number: 20190225564
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Fe complexes with tridentate ligands, having one amino or imino coordinating group and two phosphino coordinating groups, in hydrogenation processes for the reduction of ketones or aldehydes, into the corresponding alcohol or diol, respectively.
    Type: Application
    Filed: March 28, 2019
    Publication date: July 25, 2019
    Inventors: Lionel SAUDAN, Jézabel PRAZ
  • Publication number: 20180305382
    Abstract: The present invention relates to certain iron complexes that have utility in the field of catalytic hydrogenation and, more particularly, to certain iron complexes of tridentate ligands having one amino or imino coordinating groups and two phosphino coordinating groups. These iron complexes can be used in hydrogenation processes for the reduction of ketones, aldehydes, esters or lactones into the corresponding alcohol or diol, respectively.
    Type: Application
    Filed: June 28, 2018
    Publication date: October 25, 2018
    Inventors: Julie QUINTAINE, Lionel SAUDAN
  • Patent number: 10053475
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Fe complexes with tridentate ligands, having one amino or imino coordinating group and two phosphino coordinating groups, in hydrogenation processes for the reduction of ketones, aldehydes, esters or lactones into the corresponding alcohol or diol, respectively.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: August 21, 2018
    Assignee: Firmenich SA
    Inventors: Julie Quintaine, Lionel Saudan
  • Patent number: 10047318
    Abstract: The present invention concerns the use as perfuming ingredient of a composition of matter comprising at least 94% w/w of 4,6-dimethyl-3-octen-5-ol, and at most 1% w/w of 2-methylpent-2-en-1-ol and 3-ethyl-4-methylhexan-2-one.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: August 14, 2018
    Assignee: Firmenich SA
    Inventors: Christian Vial, Lionel Saudan
  • Publication number: 20180170843
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Fe complexes with tridentate ligands, having one amino or imino coordinating group and two phosphino coordinating groups, in hydrogenation processes for the reduction of ketones or aldehydes, into the corresponding alcohol or diol, respectively.
    Type: Application
    Filed: June 16, 2016
    Publication date: June 21, 2018
    Applicant: Firmenich SA
    Inventors: Lionel SAUDAN, Jézabel PRAZ
  • Publication number: 20180105765
    Abstract: The present invention concerns the use as perfuming ingredient of a composition of matter comprising at least 94% w/w of 4,6-dimethyl-3-octen-5-ol, and at most 1% w/w of 2-methylpent-2-en-1-ol and 3-ethyl-4-methylhexan-2-one.
    Type: Application
    Filed: April 12, 2016
    Publication date: April 19, 2018
    Applicant: Firmenich SA
    Inventors: Christian VIAL, Lionel SAUDAN
  • Publication number: 20180055077
    Abstract: A method to confer, enhance, improve or modify the flavor properties of a flavoring composition or flavored article by adding to the composition or article the compound 3-mercaptoheptyl acetate or an optically active enantiomer thereof in an amount effective to provide a flavor base having top notes of the citrus-grapefruit, teas and/or peach type and/or red fruit. The compound is typically added to provide an amount of from 0.0001 to 500 ppm in the flavoring composition or flavored article. Also, the resultant flavored composition or flavored article.
    Type: Application
    Filed: November 7, 2017
    Publication date: March 1, 2018
    Inventors: Sina Dorothea ESCHER, Yvan NICLASS, Lionel SAUDAN
  • Publication number: 20160318956
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Fe complexes with tridentate ligands, having one amino or imino coordinating group and two phosphino coordinating groups, in hydrogenation processes for the reduction of ketones, aldehydes, esters or lactones into the corresponding alcohol or diol, respectively.
    Type: Application
    Filed: December 10, 2014
    Publication date: November 3, 2016
    Applicant: Firmenich SA
    Inventors: Julie QUINTAINE, Lionel SAUDAN
  • Patent number: 8871982
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to a process for the reduction by hydrogenation, using molecular H2, of a C6-C20 conjugated dienal into the corresponding deconjugated enal, characterized in that said process is carried out in the presence of a catalytic system comprising at least a base and at least one complex in the form of a rhodium complex comprising a C34-C60 bidentate diphosphine ligand (L2) coordinating the rhodium.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: October 28, 2014
    Assignee: Firmenich SA
    Inventors: Lionel Saudan, Michel Alfred Joseph Saudan, Sylvia Joyeuse Adélaïde Ada Saudan
  • Patent number: 8692022
    Abstract: The present invention relates to the field of catalytic hydrogenation and, more particularly, to the use of Ru complexes with bidentate ligands, having one amino or imino coordinating group and one phosphino coordinating group, in hydrogenation processes for the reduction of esters or lactones into the corresponding alcohol or diol respectively.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: April 8, 2014
    Assignee: Firmenich SA
    Inventors: Lionel Saudan, Philippe Dupau, Jean-Jacques Riedhauser, Patrick Wyss