Patents by Inventor ODILE GAVARD-LONCHAY

ODILE GAVARD-LONCHAY 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: 11572458
    Abstract: A rubber composition is based on at least one elastomer comprising epoxide functions, a crosslinking system comprising a polycarboxylic acid and an imidazole and at least one phenolic compound, the aromatic nucleus of said phenolic compound being substituted with at least a carboxyl group, a hydrogenocarbonyl group, an amino group or an aminoalkyl radical.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: February 7, 2023
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Anne-Lise Thuilliez, Odile Gavard-Lonchay
  • Patent number: 11492458
    Abstract: A rubber composition is based on at least one elastomer and at least one phenolic compound, the aromatic nucleus of said phenolic compound being substituted with at least one substituent comprising an oxygen atom, the molar mass of said phenolic compound being at most equal to 1000 g/mol, and said composition being free of molecular sulfur or comprising less than 1 phr thereof.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: November 8, 2022
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Anne-Lise Thuilliez, Odile Gavard-Lonchay
  • Patent number: 11472946
    Abstract: The rubber composition comprises at least one resin based: (A1) on at least one aromatic compound comprising at least one aromatic ring bearing at least two functional groups, one of these functional groups being a hydroxymethyl functional group and the other being an aldehyde functional group or a hydroxymethyl functional group; and (A2) on at least one phenolic compound chosen from (A21) at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functional groups in the meta position with respect to one another, the two positions ortho to at least one of the hydroxyl functional groups being unsubstituted; and/or (A22) at least one aromatic monophenol comprising at least one six-membered aromatic ring bearing a single hydroxyl functional group, the two positions ortho to the hydroxyl functional group being unsubstituted or at least one position ortho to and the position para to the hydroxyl functional group being unsubstituted; and their mixtures.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: October 18, 2022
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Odile Gavard-Lonchay, Anne-Lise Thuilliez
  • Publication number: 20220064415
    Abstract: The invention relates to a rubber composition based on at least one functionalized elastomer comprising polar functional groups, a reinforcing filler and a specific polyphenolic compound.
    Type: Application
    Filed: December 11, 2019
    Publication date: March 3, 2022
    Inventors: ODILE GAVARD-LONCHAY, ANNE-LISE THUILLIEZ
  • Publication number: 20220025163
    Abstract: The invention relates to a rubber composition based on at least one functionalized elastomer comprising polar functional groups, a reinforcing filler and a specific phenolic compound.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 27, 2022
    Inventors: ODILE GAVARD-LONCHAY, ANNE-LISE THUILLIEZ
  • Publication number: 20210380784
    Abstract: A rubber composition is based on at least one elastomer, a reinforcing filler, a crosslinking system and at least one polyphenolic compound, the polyphenolic compound comprising at least three aromatic rings, each bearing at least two vicinal hydroxyl groups.
    Type: Application
    Filed: September 13, 2019
    Publication date: December 9, 2021
    Inventors: ANNE-LISE THUILLIEZ, ODILE GAVARD-LONCHAY
  • Publication number: 20210347966
    Abstract: The rubber composition comprises at least one resin based: (A1) on at least one aromatic compound comprising at least one aromatic ring bearing at least two functional groups, one of these functional groups being a hydroxymethyl functional group and the other being an aldehyde functional group or a hydroxymethyl functional group; and (A2) on at least one phenolic compound chosen from (A21) at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functional groups in the meta position with respect to one another, the two positions ortho to at least one of the hydroxyl functional groups being unsubstituted; and/or (A22) at least one aromatic monophenol comprising at least one six-membered aromatic ring bearing a single hydroxyl functional group, the two positions ortho to the hydroxyl functional group being unsubstituted or at least one position ortho to and the position para to the hydroxyl functional group being unsubstituted; and their mixtures.
    Type: Application
    Filed: July 20, 2017
    Publication date: November 11, 2021
    Inventors: ODILE GAVARD-LONCHAY, ANNE-LISE THUILLIEZ
  • Patent number: 11091580
    Abstract: A rubber composition comprises at least one resin based on: (A1) at least one aromatic compound resulting from the reaction between a reactant of formula (?): where B represents CHO or CH2OH, (?) and a reactant of formula (?) or and (A2) at least one phenolic compound chosen from: (A21) at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functional groups in the meta position with respect to one another, the two positions ortho to at least one of the hydroxyl functional groups being unsubstituted; and/or (A22) at least one aromatic monophenol comprising at least one six-membered aromatic ring bearing a single hydroxyl functional group, the two positions ortho to the hydroxyl functional group being unsubstituted or at least one position ortho to and the position para to the hydroxyl functional group being unsubstituted.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: August 17, 2021
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: David Doisneau, Odile Gavard-Lonchay, Anne-Lise Thuilliez
  • Publication number: 20210087366
    Abstract: A rubber composition is based on at least one elastomer comprising epoxide functions, a crosslinking system comprising a polycarboxylic acid and an imidazole and at least one phenolic compound, the aromatic nucleus of said phenolic compound being substituted with at least a carboxyl group, a hydrogenocarbonyl group, an amino group or an aminoalkyl radical.
    Type: Application
    Filed: December 11, 2018
    Publication date: March 25, 2021
    Inventors: ANNE-LISE THUILLIEZ, ODILE GAVARD-LONCHAY
  • Publication number: 20210087356
    Abstract: A rubber composition is based on at least one elastomer and at least one phenolic compound, the aromatic nucleus of said phenolic compound being substituted with at least one substituent comprising an oxygen atom, the molar mass of said phenolic compound being at most equal to 1000 g/mol, and said composition being free of molecular sulfur or comprising less than 1 phr thereof.
    Type: Application
    Filed: December 11, 2018
    Publication date: March 25, 2021
    Inventors: ANNE-LISE THUILLIEZ, ODILE GAVARD-LONCHAY
  • Patent number: 10711132
    Abstract: An aromatic polyphenol derivative which comprises at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—((C?O)(R1)) group with R1 representing a hydrocarbon-based radical or a substituted hydrocarbon-based radical.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: July 14, 2020
    Assignee: Compagnie Generale Des Etablissements Michelin
    Inventors: Anne-Lise Thuilliez, Odile Gavard-Lonchay, Cedric Loubat, Gilles Boutevin, Quentin Crouzet
  • Patent number: 10711131
    Abstract: A rubber composition comprises at least one phenol-aldehyde resin based: on at least one derivative of an aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, Z being other than hydrogen, and on at least one aldehyde.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: July 14, 2020
    Assignee: Compagnie Generale Des Etablissements Michelin
    Inventors: Anne-Lise Thuilliez, Odile Gavard-Lonchay, Cedric Loubat, Gilles Boutevin
  • Patent number: 10647848
    Abstract: A rubber composition comprises at least one phenol-aldehyde resin based on: at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—H groups in the meta position relative to one another, the two positions ortho to at least one of the —O—H groups being unsubstituted; and at least one aldehyde of formula W: wherein each Ar1 and Ar2 group represents, independently of one another, an optionally substituted aromatic ring; and wherein SP is a connecting group that connects at least the Ar1 and Ar2 groups to one another, SP separating the Ar1 and Ar2 groups by at least 2 covalent bonds.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: May 12, 2020
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Anne-Lise Thuilliez, Odile Gavard-Lonchay, David Doisneau, Cedric Loubat, Quentin Crouzet
  • Patent number: 10604613
    Abstract: A rubber composition comprises at least one phenol/aldehyde resin based on at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in the meta position relative to one another, the two positions ortho to at least one of the hydroxyl functions being unsubstituted, and at least one aldehyde of formula (A): in which X comprises N, S or O, and R represents —H or —CHO.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: March 31, 2020
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: David Doisneau, Anne-Lise Thuilliez, Odile Gavard-Lonchay
  • Patent number: 10590225
    Abstract: An aromatic polyphenol derivative comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, is used for the manufacture of a phenol-aldehyde resin for reinforcing a rubber composition. Each —O—Z group represents an —O—Si(R1R2R3) group with R1, R2, R3 representing, independently of one another, a hydrocarbon-based radical or a substituted hydrocarbon-based radical.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: March 17, 2020
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Anne-Lise Thuilliez, Odile Gavard-Lonchay, Cedric Loubat, Gilles Boutevin
  • Publication number: 20200031980
    Abstract: A rubber composition comprises at least one resin based on: (A1) at least one aromatic compound resulting from the reaction between a reactant of formula (?): where B represents CHO or CH2OH, (?) and a reactant of formula (?) or and (A2) at least one phenolic compound chosen from: (A21) at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functional groups in the meta position with respect to one another, the two positions ortho to at least one of the hydroxyl functional groups being unsubstituted; and/or (A22) at least one aromatic monophenol comprising at least one six-membered aromatic ring bearing a single hydroxyl functional group, the two positions ortho to the hydroxyl functional group being unsubstituted or at least one position ortho to and the position para to the hydroxyl functional group being unsubstituted.
    Type: Application
    Filed: July 20, 2017
    Publication date: January 30, 2020
    Applicant: Compagnie Generale des Etablissements Michelin
    Inventors: David DOISNEAU, Odile GAVARD-LONCHAY, Anne-Lise THUILLIEZ
  • Patent number: 10544298
    Abstract: A rubber composition comprises at least one phenol/aldehyde resin based on at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in the meta position relative to one another, the two positions ortho to at least one of the hydroxyl functions being unsubstituted, and at least one aromatic polyaldehyde selected from 1,3-benzenedicarboxaldehyde, 1,4-benzenedicarboxaldehyde and mixtures of these compounds, the rubber composition having a nominal secant modulus at 10% elongation, measured according to standard ASTM D 412, 1998, of greater than or equal to 25 MPa.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: January 28, 2020
    Assignee: Compagnie Generale Des Etablissements Michelin
    Inventors: David Doisneau, Anne-Lise Thuilliez, Odile Gavard-Lonchay
  • Patent number: 10544292
    Abstract: A rubber composition comprises at least one phenol/aldehyde resin based on at least one aromatic polyphenol comprising at least one aromatic ring bearing at least two hydroxyl functions in the meta position relative to one another, the two positions ortho to at least one of the hydroxyl functions being unsubstituted, and at least one aromatic polyaldehyde selected from 1,3-benzenedicarboxaldehyde, 1,4-benzenedicarboxaldehyde and mixtures of these compounds.
    Type: Grant
    Filed: January 20, 2016
    Date of Patent: January 28, 2020
    Assignee: Compagnie Generale Des Etablissements Michelin
    Inventors: David Doisneau, Anne-Lise Thuilliez, Odile Gavard-Lonchay
  • Publication number: 20190218374
    Abstract: A composite based at least on a component having a metallic surface and on a polymer matrix comprising a diene elastomer DE and a functional diene polymer is provided. The functional diene polymer is a diene polymer bearing at least one functional group, the functional group being the phosphonic acid functional group, the phosphonic hemiacid functional group, the phosphonic acid diester functional group or a salt of the phosphonic acid or phosphonic hemiacid functional group. Such a composite exhibits good resistance to tearing-out.
    Type: Application
    Filed: September 14, 2017
    Publication date: July 18, 2019
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Odile GAVARD-LONCHAY, Anne-Lise THUILLIEZ
  • Publication number: 20190177532
    Abstract: A rubber composition comprises at least one phenol-aldehyde resin based: on at least one derivative of an aromatic polyphenol comprising at least one aromatic ring bearing at least two —O—Z groups in the meta position relative to one another, the two positions ortho to at least one of the —O—Z groups being unsubstituted, Z being other than hydrogen, and on at least one aldehyde.
    Type: Application
    Filed: September 23, 2016
    Publication date: June 13, 2019
    Inventors: ANNE-LISE THUILLIEZ, ODILE GAVARD-LONCHAY, CEDRIC LOUBAT, GILLES BOUTEVIN