Patents by Inventor Guillaume Pibre

Guillaume Pibre 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: 12077617
    Abstract: A tire comprises a rubber composition based on at least one elastomeric matrix mainly comprising a random copolymer comprising ethylene units and conjugated diene units, the mole fraction of the ethylene units in the copolymer being within a range extending from 50% to 95%; a peroxide; and a specific acrylate derivative.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: September 3, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Guillaume Pibre, Andrea Messina, Benjamin Gornard
  • Patent number: 12052926
    Abstract: A piezoelectric device comprises at least one piezoelectric composite layer P inserted between two conductive composite layers E, each layer E forming an electrode, characterized in that: the layer P is a rubber composition containing more than 50 parts by weight per hundred parts by weight rubber, phr, of diene elastomer, a cross-linking system and at least 5 vol. %, in relation to the total volume of the rubber composition, of piezoelectric inorganic charges; and each layer E is a rubber composition containing at least 50 phr of diene elastomer, a cross-linking system, and conductive charges. A method for producing the device and a tire comprising the device are also disclosed.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: July 30, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Francois Lafort, Xavier Lebrun, Guillaume Pibre
  • Patent number: 12049107
    Abstract: A tire comprises a rubber composition based on at least one elastomeric matrix mainly comprising a random copolymer comprising ethylene units and conjugated diene units, the mole fraction of the ethylene units in the copolymer being within a range extending from 50% to 95%; a peroxide; and a specific acrylate derivative.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: July 30, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Guillaume Pibre, Andrea Messina, Benjamin Gornard
  • Patent number: 12017480
    Abstract: A tire comprises a rubber composition based on at least one elastomeric matrix mainly comprising a random copolymer comprising ethylene units and conjugated diene units, the mole fraction of the ethylene units in the copolymer being within a range extending from 50% to 95%; a peroxide; and a specific polyfunctional acrylate derivative.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 25, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Guillaume Pibre, Andrea Messina, Benjamin Gornard
  • Publication number: 20240026044
    Abstract: A rubber composition is based on at least an elastomer matrix comprising more than 50 phr of a copolymer containing ethylene units and 1,3-diene units, the ethylene units in the copolymer representing more than 50 mol % of the monomer units of the copolymer; a 1,3-dipolar compound corresponding to the formula “Q-Sp-B” in which Q comprises a dipole containing at least and preferably one nitrogen atom, Sp, which is preferably divalent, is an atom or a group of atoms connecting Q to B, and B comprises a specific imidazole ring; a filler comprising predominantly silica and a crosslinking system comprising at least one radical polymerization initiator, and a co-crosslinking agent selected from the group consisting of (meth)acrylate compounds, maleimide compounds, allyl compounds, vinyl compounds and mixtures thereof.
    Type: Application
    Filed: September 3, 2021
    Publication date: January 25, 2024
    Inventors: GUILLAUME PIBRE, THOMAS FERRAND
  • Publication number: 20230391994
    Abstract: A rubber composition is based on at least: an elastomer matrix comprising more than 50 phr of a copolymer containing ethylene units and 1,3-diene units, the ethylene units in the copolymer representing more than 50 mol % of the monomer units of the copolymer; a specific 1,3-dipolar compound; a filler comprising predominantly silica and a crosslinking system comprising at least one radical polymerization initiator, and a co-crosslinking agent selected from the group consisting of (meth)acrylate compounds, maleimide compounds, allyl compounds, vinyl compounds and mixtures thereof.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 7, 2023
    Inventors: GUILLAUME PIBRE, THOMAS FERRAND
  • Publication number: 20230126993
    Abstract: A self-adhesive multi-layer item comprising: 1) a dorsal support DO having a top face SI1 and a bottom face SI2, 2) at least one layer of silicone release coating RC applied to the top face SI1 of the dorsal support DO and which is prepared by irradiation of a curable silicone composition C not containing any solvent and comprising, as constituents: a) at least one functionalized organopolysiloxane A b) an effective amount of at least one type I photoinitiator P of the family of acylphosphine oxide derivatives of formula (III) 3) at least one adhesive PSA, preferably at least one pressure-sensitive adhesive PSA, applied on the layer of silicone release coating, 4) a frontal support FR applied on the adhesive PSA of the component 3), and 5) optionally at least one layer of silicone release coating RC applied on the bottom face SI2 of the dorsal support DO and which is prepared by application and irradiation of said curable silicone composition C, and on this same layer, there is at least one adhesive PSA
    Type: Application
    Filed: December 16, 2022
    Publication date: April 27, 2023
    Inventors: Jeffrey HOOVER, Guillaume PIBRE
  • Publication number: 20230122032
    Abstract: A piezoelectric device comprises at least one piezoelectric layer P interposed between two conductive layers E, each layer E forming an electrode, characterized in that the layer P comprises at least one piezoelectric composition based on at least one elastomer matrix comprising predominantly at least one diene elastomer, a piezoelectric inorganic filler, a carbon black and a crosslinking system, and in that the content of piezoelectric inorganic filler is greater than or equal to 5% by volume, relative to the total volume of the piezoelectric composition, and the content of carbon black is greater than or equal to 6% by volume, relative to the total volume of the piezoelectric composition. A tire comprising at least one piezoelectric device defined above is also set forth.
    Type: Application
    Filed: December 16, 2020
    Publication date: April 20, 2023
    Inventors: GUILLAUME PIBRE, FRANCOIS LAFORT
  • Patent number: 11603468
    Abstract: A system and method for forming a silicone composition C that is crosslinkable by exposure to radiation with a wavelength between 200 nm and 450 nm, having: at least one radical photoinitiator A; and at least one co-initiator B chosen from compounds having at least one hydrogen atom bonded to a silicon atom.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: March 14, 2023
    Assignees: ELKEM SILICONES FRANCE SAS, UNIVERSITE DE HAUTE ALSACE
    Inventors: Guillaume Pibre, Jean-Marc Frances, Xavier Allonas, Ahmad Ibrahim, Christian Maliverney, Perrine Theil
  • Publication number: 20230049031
    Abstract: A piezoelectric composite material is based on a polymeric matrix and on piezoelectric inorganic fillers, characterized in that the material additionally comprises at least one ionic liquid of general formula Q+ A?, in which Q+ represents a cation chosen from quaternary ammonium cations and quaternary phosphonium cations and A? represents any anion capable of forming a liquid salt at a temperature of less than 100° C. A device comprising at least one layer based at least one piezoelectric composite material defined above and at least two electrodes positioned on either side of the layer and a tire comprising at least one piezoelectric device defined above are also set forth.
    Type: Application
    Filed: December 16, 2020
    Publication date: February 16, 2023
    Inventors: GUILLAUME PIBRE, FRANCOIS LAFORT
  • Patent number: 11566153
    Abstract: A self-adhesive multi-layer item comprising: 1) a dorsal support DO having a top face SI1 and a bottom face SI2, 2) at least one layer of silicone release coating RC applied to the top face SI1 of the dorsal support DO and which is prepared by irradiation of a curable silicone composition C not containing any solvent and comprising, as constituents: a) at least one functionalized organopolysiloxane A b) an effective amount of at least one type I photoinitiator P of the family of acylphosphine oxide derivatives of formula (III) 3) at least one adhesive PSA, preferably at least one pressure-sensitive adhesive PSA, applied on the layer of silicone release coating, 4) a frontal support FR applied on the adhesive PSA of the component 3), and 5) optionally at least one layer of silicone release coating RC applied on the bottom face SI2 of the dorsal support DO and which is prepared by application and irradiation of said curable silicone composition C, and on this same layer, there is at least one adhesive PSA,
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: January 31, 2023
    Assignee: ELKEM SILICONES FRANCE SAS
    Inventors: Jeffrey Hoover, Guillaume Pibre
  • Patent number: 11286369
    Abstract: A tire with improved wear resistance, rolling resistance and cohesion, comprises a rubber composition based on at least one elastomeric matrix comprising predominantly a random copolymer comprising ethylene units and conjugated diene units, the mole fraction of ethylene units in the copolymer being within a range extending from 50% to 95%; a peroxide; and a specific polyfunctional acrylate; the contents of polyfunctional acrylate and of peroxide being such that the ratio of the peroxide content to the polyfunctional acrylate content is greater than or equal to 0.08; said composition comprising from 5 to less than 65 phr of reinforcing filler; the ratio of the filler content to the polyfunctional acrylate content being greater than or equal to 1.25.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: March 29, 2022
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Benjamin Gornard, Didier Vasseur, Guillaume Pibre
  • Publication number: 20220049122
    Abstract: The invention relates to the general field of coating various flexible supports, such as sheets of paper or synthetic polymer (polyolefin, polyester, etc) sheets or fabric sheets, with a silicone on high-speed rolls. The invention relates to an efficient method for preventing mist formation when coating flexible supports with a liquid silicone composition precursor of cross-linked coatings, said coating process being performed using a coating device that includes a roll operating at a high speed.
    Type: Application
    Filed: December 19, 2019
    Publication date: February 17, 2022
    Inventors: Guillaume PIBRE, Stéphenie BENITOU, Emmanuel POUGET
  • Publication number: 20210347205
    Abstract: A tire comprises a rubber composition based on at least one elastomeric matrix mainly comprising a random copolymer comprising ethylene units and conjugated diene units, the mole fraction of the ethylene units in the copolymer being within a range extending from 50% to 95%; a peroxide; and a specific polyfunctional acrylate derivative.
    Type: Application
    Filed: August 13, 2019
    Publication date: November 11, 2021
    Inventors: GUILLAUME PIBRE, ANDREA MESSINA, BENJAMIN GORNARD
  • Publication number: 20210339566
    Abstract: A tire comprises a rubber composition based on at least one elastomeric matrix mainly comprising a random copolymer comprising ethylene units and conjugated diene units, the mole fraction of the ethylene units in the copolymer being within a range extending from 50% to 95%; a peroxide; and a specific acrylate derivative.
    Type: Application
    Filed: August 13, 2019
    Publication date: November 4, 2021
    Inventors: GUILLAUME PIBRE, ANDREA MESSINA, BENJAMIN GORNARD
  • Publication number: 20210332168
    Abstract: A tire comprises a rubber composition based on at least one elastomeric matrix mainly comprising a random copolymer comprising ethylene units and conjugated diene units, the mole fraction of the ethylene units in the copolymer being within a range extending from 50% to 95%; a peroxide; and a specific acrylate derivative.
    Type: Application
    Filed: August 13, 2019
    Publication date: October 28, 2021
    Inventors: GUILLAUME PIBRE, ANDREA MESSINA, BENJAMIN GORNARD
  • Publication number: 20210257538
    Abstract: A piezoelectric device comprises at least one piezoelectric composite layer P inserted between two conductive composite layers E, each layer E forming an electrode, characterized in that: the layer P is a rubber composition containing more than 50 parts by weight per hundred parts by weight rubber, phr, of diene elastomer, a cross-linking system and at least 5 vol. %, in relation to the total volume of the rubber composition, of piezoelectric inorganic charges; and each layer E is a rubber composition containing at least 50 phr of diene elastomer, a cross-linking system, and conductive charges. A method for producing the device and a tire comprising the device are also disclosed.
    Type: Application
    Filed: June 21, 2019
    Publication date: August 19, 2021
    Inventors: FRANCOIS LAFORT, XAVIER LEBRUN, GUILLAUME PIBRE
  • Publication number: 20210245553
    Abstract: A tire (1) for a vehicle comprises two sidewalls (3) and a crown (2) that is connected to the two sidewalls (3). The tire (1) comprises at least one insert (11, 12) which includes force detection means and which extends in a limited manner along one of the sidewalls (3) or the crown (2).
    Type: Application
    Filed: June 21, 2019
    Publication date: August 12, 2021
    Inventors: FRANCOIS LAFORT, XAVIER LEBRUN, GUILLAUME PIBRE
  • Patent number: 11078379
    Abstract: Approaches are described for coating various flexible media, such as sheets of paper, synthetic polymer (polyolefin, polyester, etc.) sheets or fabric sheets, with a silicone on high-speed rolls. For example, an efficient method is described for minimizing and/or reducing mist formation when coating flexible supports with a liquid silicone composition precursor of crosslinked coatings. The coating process can be performed using a coating device that includes a roll operating at a high speed.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: August 3, 2021
    Assignee: ELKEM SILICONES FRANCE SAS
    Inventors: Guillaume Pibre, Aymeric Genest, Stéphanie Benitou, Jean-Marc Frances, Etienne Fleury, François Ganachaud, Daniel Portinha De Almeida
  • Publication number: 20210147684
    Abstract: A system and method for forming a silicone composition C that is crosslinkable by exposure to radiation with a wavelength between 200 nm and 450 nm, having: at least one radical photoinitiator A; and at least one co-initiator B chosen from compounds having at least one hydrogen atom bonded to a silicon atom.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Applicants: ELKEM SILICONES FRANCE SAS, UNIVERSITE DE HAUTE ALSACE
    Inventors: Guillaume PIBRE, Jean-Marc FRANCES, Xavier ALLONAS, Ahmad IBRAHIM, Christian MALIVERNEY, Perrine THEIL