Patents by Inventor Marc Liniger

Marc Liniger 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).

  • Fragrance compound providing lily of the valley fragrance characteristics, and fragranced compositions comprising the same
    Patent number: 12195698
    Abstract: A compound according to formula I in the form of any one of its stereoisomers or a mixture thereof wherein is indicating a carbon-carbon single or double bond, with the provision that the compound has one carbon-carbon double bond or two isolated or conjugated carbon-carbon double bonds, and R1 to R5 are independently from each other selected from H or Me, with the proviso that the compound is not 3-(4-(2-hydroxy-2-methylpropyl)cyclohex-1-en-1-yl)propanal, and its use as fragrance.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: January 14, 2025
    Assignee: Givaudan SA
    Inventor: Marc Liniger
  • Organic compounds
    Patent number: 12018229
    Abstract: The present invention refers to dihydropyran derivatives, and to a process of making the same. The invention further refers to perfume compositions and fragranced articles comprising them.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: June 25, 2024
    Assignee: Givaudan SA
    Inventor: Marc Liniger
  • Organic compounds
    Patent number: 11426339
    Abstract: The present invention relates to ethyl cyclooct-3/4-ene-1-carboxylates, and to a process of making the same. The invention further refers to flavour and fragrance compositions comprising them.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: August 30, 2022
    Assignee: Givaudan SA
    Inventors: Marc Liniger, Thierry Granier, Dominique Lelievre
  • Organic compounds
    Patent number: 10899996
    Abstract: The use as fragrance ingredient of 4—methylene—2—(2—methylprop—1—enyl)—tetrahydropyran.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: January 26, 2021
    Assignee: GIVAUDAN SA
    Inventor: Marc Liniger
  • ASYMMETRIC CATALYTIC DECARBOXYLATIVE ALKYL ALKYLATION USING LOW CATALYST CONCENTRATIONS AND A ROBUST PRECATALYST
    Publication number: 20190055182
    Abstract: This invention provides efficient and scalable enantioselective methods that yield 2-alkyl-2-allylcycloalkyanone compounds with quaternary stereogenic centers. Methods include the method for the preparation of a compound of formula (I): comprising treating a compound of formula (II) or (III): with a palladium (II) catalyst under alkylation conditions.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Inventors: Brian M. Stoltz, Alexander N. Marziale, Robert A. Craig, Douglas Duquette, Kelly E. Kim, Marc Liniger, Yoshitaka Numajiri
  • Asymmetric catalytic decarboxylative alkyl alkylation using low catalyst concentrations and a robust precatalyst
    Patent number: 10106479
    Abstract: This invention provides efficient and scalable enantioselective methods that yield 2-alkyl-2-allylcycloalkyanone compounds with quaternary stereogenic centers. Methods include the method for the preparation of a compound of formula (I): comprising treating a compound of formula (II) or (III): with a palladium (II) catalyst under alkylation conditions.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: October 23, 2018
    Assignee: California Institute of Technology
    Inventors: Brian M. Stoltz, Alexander N. Marziale, Robert A. Craig, Douglas Duquette, Kelly E. Kim, Marc Liniger, Yoshitaka Numajiri
  • ASYMMETRIC CATALYTIC DECARBOXYLATIVE ALKYL ALKYLATION USING LOW CATALYST CONCENTRATIONS AND A ROBUST PRECATALYST
    Publication number: 20160280623
    Abstract: This invention provides efficient and scalable enantioselective methods that yield 2-alkyl-2-allylcycloalkyanone compounds with quaternary stereogenic centers. Methods include the method for the preparation of a compound of formula (I): comprising treating a compound of formula (II) or (III): with a palladium (II) catalyst under alkylation conditions.
    Type: Application
    Filed: March 25, 2016
    Publication date: September 29, 2016
    Inventors: Brian M. Stoltz, Alexander N. Marziale, Robert A. Craig, Douglas Duquette, Kelly E. Kim, Marc Liniger, Yoshitaka Numajiri