Patents by Inventor Julien Thuilliez

Julien Thuilliez 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).

  • Publication number: 20200157268
    Abstract: A copolymer of a 1,3-diene and of an olefin selected from the group consisting of ?-monoolefins, ethylene and mixtures thereof is provided. The copolymer bears, at one of its chain ends, an alkoxysilyl or silanol function, functional group F1, and the copolymer is different from a copolymer of a 1,3-diene and a vinylaromatic monomer.
    Type: Application
    Filed: June 6, 2018
    Publication date: May 21, 2020
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Julien THUILLIEZ, Vincent LAFAQUIERE, Leyla PEHLIVAN, Benoît MACQUERON, Christophe BOISSON, Franck D'AGOSTO
  • Publication number: 20200140587
    Abstract: An ethylene/1,3-butadiene copolymer containing ethylene units, butadiene units and UD units of cyclic, 1,2-cyclohexanediyl structure, and bearing, at one of its chain ends, an alkoxysilyl or silanol function, functional group F1 is provided.
    Type: Application
    Filed: June 6, 2018
    Publication date: May 7, 2020
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Julien THUILLIEZ, Vincent LAFAQUIERE, Leyla PEHLIVAN, Benoît MACQUERON, Christophe BOISSON, Franck D'AGOSTO
  • Publication number: 20200131288
    Abstract: A process for the synthesis of an ethylene/butadiene copolymer is provided. The process is continuous and comprises: a. feeding at least one stirred polymerization reactor with a mixture of ethylene, butadiene, hydrocarbon-based solvent and catalytic system allowing the formation of cyclic trans-1,2-cyclohexane units in the polymer chain with a mole ratio of ethylene to the sum of the ethylene and butadiene monomers ranging from 0.5 to 0.99; the concentration of ethylene and butadiene monomers in the polymerization reaction medium being at least 10% by weight relative to the total weight; the operating pressure of the reactor is greater than or equal to the saturated vapour pressure of the polymerization reaction medium; b. recovering the ethylene/butadiene copolymer, this copolymer comprising, statistically distributed, ethylene units, butadiene units and trans-1,2-cyclohexane units, the molar fraction of ethylene units in the copolymer being greater than or equal to 50%.
    Type: Application
    Filed: April 16, 2018
    Publication date: April 30, 2020
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Julien THUILLIEZ, Nuno PACHECO
  • Patent number: 10513150
    Abstract: The present invention relates to comb block copolymers, combining an elastomeric backbone and rigid pendent blocks and thus having thermoplastic elastomer properties. The invention targets in particular comb block copolymers which may be used as a material as is. According to the invention, the comb block copolymer is a diene/polypropylene thermoplastic elastomer copolymer, characterized in that it consists of a backbone, said backbone being derived from a diene elastomer, and in that it comprises from 5% to 50% by weight, relative to the total weight of the copolymer, of pendent semicrystalline polypropylene groups distributed along the backbone. Another subject of the invention is the process for preparing same, and the compositions comprising same. Finally, a subject of the invention is a tire, one of the constituent elements of which comprises such a composition.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: December 24, 2019
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Séverin Dronet, Julien Thuilliez
  • Publication number: 20190359742
    Abstract: A catalytic system based at least on a preformation monomer selected from the group consisting of 1,3-dienes, ethylene, ?-monoolefins and their mixtures, on a metallocene of formula {P(Cp)(Flu)LnG} and on an organometallic compound as cocatalyst is provided. In the formula, Ln denotes a metal atom which is a rare earth metal, G denotes a group comprising the borohydride BH4 unit or denotes a halogen atom X selected from the group consisting of chlorine, fluorine, bromine and iodine, Cp denotes a cyclopentadienyl group of formula C5H4, Flu denotes a fluorenyl group of formula C13H8, P being a group bridging the two Cp and Flu groups and comprising a silicon or carbon atom. Such a catalytic system exhibits an improved stability of the catalytic activity over time, in particular on storage.
    Type: Application
    Filed: November 28, 2017
    Publication date: November 28, 2019
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Vincent LAFAQUIERE, Julien THUILLIEZ
  • Patent number: 10435485
    Abstract: A polymer comprises randomly distributed units UA, UB, UC and UD and at least one unit bearing a subunit F according to the respective molar percentages m, n, o, p and f F pendant along the chain of the polymer and bearing an associative group comprising at least one nitrogen atom, R1 and R2, which are identical or different, denoting a hydrogen atom, a methyl radical or a phenyl radical which is unsubstituted or substituted in the ortho, meta or para position by a methyl radical, m?50, n?0, o?0, f>0, 0<0+p?25, m, n, o, p and f ranging from 0 to 100, the respective molar percentages of m, n, o, p and f calculated based on the sum of m+n+o+p+f, which is equal to 100.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: October 8, 2019
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE, S.A.
    Inventors: Etienne Fleury, Julien Thuilliez, Jean-Michel Favrot
  • Publication number: 20190263954
    Abstract: A catalytic system based at least on a preformation monomer which is ethylene or a mixture of ethylene and of a conjugated diene, on a metallocene of formula {P(Cp1)(Cp2)Y} or Cp3Cp4Y and on an organometallic compound as cocatalyst, Y denoting a group comprising a metal atom which is a rare earth metal, the Cp1, Cp2, Cp3 and Cp4 groups, which are identical or different, being selected from the group consisting of fluorenyl groups, cyclopentadienyl groups and indenyl groups, the groups being substituted or unsubstituted, and P being a group bridging the two Cp1 and Cp2 groups and comprising a silicon or carbon atom, is provided. Such a catalytic system exhibits an improved stability of the catalytic activity over time, in particular on storage.
    Type: Application
    Filed: July 24, 2017
    Publication date: August 29, 2019
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Vincent LAFAQUIERE, Julien THUILLIEZ
  • Publication number: 20190248822
    Abstract: A one-pot process for preparing a preformed catalytic system based on a rare-earth metallocene in a hydrocarbon solvent in three performed steps.
    Type: Application
    Filed: July 24, 2017
    Publication date: August 15, 2019
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: François JEAN-BAPTISTE-DIT-DOMINIQUE, Vincent LAFAQUIERE, Julien THUILLIEZ
  • Publication number: 20190233566
    Abstract: A catalytic system based at least on isoprene as preformation monomer, on a metallocene of formula {P(Cp1)(Cp2)Y} and on an organometallic compound as cocatalyst, Y denoting a group comprising a metal atom which is a rare earth metal, Cp1 and Cp2, which are identical or different, being selected from the group consisting of fluorenyl groups, cyclopentadienyl groups and indenyl groups, the groups being substituted or unsubstituted, and P being a group bridging the two Cp1 and Cp2 groups and comprising a silicon or carbon atom, is provided. Such a catalytic system is soluble and exhibits an increased stability of the catalytic activity over time, in particular on storage.
    Type: Application
    Filed: July 24, 2017
    Publication date: August 1, 2019
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Vincent LAFAQUIERE, Julien THUILLIEZ
  • Patent number: 10364335
    Abstract: A rubber composition based on a reinforcing filler and on an elastomeric matrix comprising a highly saturated diene elastomer, comprising units of the following categories A, B, C, D and E, or units of these same categories A, B, C, D and E comprising, for at least one of the categories B, C, D and E, a mixture of at least two different units of the same category which differ from one another through the nature of their side groups Ri: and where R1, R2, R3 and R4, which are identical or different, denote a hydrogen atom, a methyl radical or a phenyl radical which is substituted or unsubstituted in the ortho, meta or para position by a methyl radical; R5 denotes a hydrogen atom or a methyl radical; R6 denotes a methyl radical or a phenyl radical which is substituted or unsubstituted in the ortho, meta or para position by a methyl radical; m, n, o, p and q are numbers ranging from 0 to 100.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: July 30, 2019
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE, S.A
    Inventors: Benoit Schnell, Julien Thuilliez, Julien Cladiere
  • Patent number: 10266553
    Abstract: A compound and the use thereof to prepare a functional or telechelic polyolefin is provided. The compound has the following formula (II): Y((CH2)p—B?)m??(II), wherein m=2 or 3; Y being an alkaline earth metal or zinc when m=2, Y being aluminum when m=3; B? being selected from the group comprising N(SiMe3)2; N(SiMe2CH2CH2SiMe2); C6F5; C3F7; C6F13; para-C6H4—NMe2; para-C6H4—O-Me; para-C6H4—N(SiMe3)2; and CH(OCH2CH2O); and p being an integer from 0 to 50.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: April 23, 2019
    Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A., UNIVERSITE CLAUDE BERNARD LYON 1, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, CPE LYON FORMATION CONTINUE ET RECHERCHE
    Inventors: Guillaume Cortial, Julien Thuilliez, Christophe Boisson, Franck D'Agosto, Sébastien Norsic
  • Patent number: 10189978
    Abstract: The present invention relates to a rubber composition based on a reinforcing filler and on an elastomer matrix comprising a highly saturated diene elastomer comprising at least five distinct units of A, B, C, D and E distributed randomly within the elastomer at respective molar fractions of m %, n %, o %, p % and q %, where m+n+o+p+q=100; m?50; n+o+p+q?10; and 15?p+q?2. This rubber composition enables a satisfactory degree of stiffness to be reached while maintaining hysteresis properties acceptable for use in the manufacture of tires for running vehicles.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: January 29, 2019
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Julien Thuilliez, Benoit Schnell, Julien Cladiere
  • Publication number: 20180371214
    Abstract: An ethylene/butadiene copolymer comprising statistically distributed ethylene units butadiene units, and trans-1,2-cyclohexane units is provided. The molar fraction of ethylene units in the copolymer is greater than or equal to 50%, relative to the total number of moles of ethylene, butadiene and trans-1,2-cyclohexane units. The microstructure of the copolymer is homogeneous. A process for preparing such a copolymer and also to the uses of this copolymer, in particular in rubber compositions for tires, is also provided.
    Type: Application
    Filed: December 16, 2016
    Publication date: December 27, 2018
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Julien THUILLIEZ, Nuno PACHECO
  • Publication number: 20180371129
    Abstract: An ethylene/butadiene copolymer comprising statistically distributed ethylene units and butadiene units is provided. The molar fraction of the ethylene units in the copolymer is greater than or equal to 50%, relative to the total number of moles of ethylene and butadiene units. The microstructure of the copolymer is homogeneous. A process for preparing such a copolymer and also the uses of this copolymer, in particular in rubber compositions for tires is also provided.
    Type: Application
    Filed: December 16, 2016
    Publication date: December 27, 2018
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Nuno PACHECO, Julien THUILLIEZ
  • Publication number: 20180362681
    Abstract: A copolymer comprising a copolymer chain A bearing a function B selected from the group consisting of the functions B1 and B2, the copolymer chain A being a copolymer chain comprising monomer units M1 and monomer units M2, M1 being a conjugated diene and M2 being a monomer selected from the group consisting of ?-monoolefins, ethylene and mixtures thereof, B1 being selected from the group consisting of N(SiMe3)2; N(SiMe2CH2CH2SiMe2); para-C6H4(NMe2); para-C6H4(OMe); para-C6H4(N(SiMe3)2); ortho-CH2-C6H4NMe2; ortho-CH2-C6H4OMe; C6F5; C3F7; C6F13; CH(OCH2CH2O); B2 being a function that is derived from B1, is provided. Such a copolymer is synthesized by using a transfer agent bearing the function B1 and a carbon-metal bond, the metal being an alkaline-earth metal, zinc or aluminium.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 20, 2018
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Julien THUILLIEZ, Christophe BOISSON, Franck D'AGOSTO, Sébastien NORSIC, Benoît MACQUERON
  • Publication number: 20180355083
    Abstract: A catalytic system based at least on a preformation conjugated diene monomer, on an organometallic compound as cocatalyst and on a metallocene of formula {P(Cp1)(Cp2)Y} is provided. In the formula, Y denotes a group comprising a metal atom which is a rare earth metal, Cp1 and Cp2, which are identical or different, are selected from the group consisting of fluorenyl groups, cyclopentadienyl groups and indenyl groups, the groups being substituted or unsubstituted, and P is a group bridging the two Cp1 and Cp2 groups and comprising a silicon or carbon atom. Such a catalytic system exhibits an improved stability of the catalytic activity over time, in particular on storage.
    Type: Application
    Filed: November 30, 2016
    Publication date: December 13, 2018
    Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Vincent LAFAQUIERE, Julien THUILLIEZ
  • Publication number: 20180170106
    Abstract: The present invention relates to comb block copolymers, combining an elastomeric backbone and rigid pendent blocks and thus having thermoplastic elastomer properties. The invention targets in particular comb block copolymers which may be used as a material as is. According to the invention, the comb block copolymer is a diene/polypropylene thermoplastic elastomer copolymer, characterized in that it consists of a backbone, said backbone being derived from a diene elastomer, and in that it comprises from 5% to 50% by weight, relative to the total weight of the copolymer, of pendent semicrystalline polypropylene groups distributed along the backbone. Another subject of the invention is the process for preparing same, and the compositions comprising same. Finally, a subject of the invention is a tire, one of the constituent elements of which comprises such a composition.
    Type: Application
    Filed: June 16, 2016
    Publication date: June 21, 2018
    Inventors: Séverin DRONET, Julien THUILLIEZ
  • Publication number: 20170253619
    Abstract: A compound and the use thereof to prepare a functional or telechelic polyolefin is provided. compound has the following formula (II): Y((CH2)p—B?)m ??(II), wherein m=2 or 3; Y being an alkaline earth metal or zinc when m=2, Y being aluminium when m=3; B? being selected from the group comprising N(SiMe3)2; N(SiMe2CH2CH2SiMe2); C6F5; C3F7; C6F13; para-C6H4—NMe2; para-C6H4—O-Me; para-C6H4—N(SiMe3)2; and CH(OCH2CH2O); and p being an integer from 0 to 50.
    Type: Application
    Filed: December 11, 2015
    Publication date: September 7, 2017
    Inventors: Guillaume CORTIAL, Julien THUILLIEZ, Christophe BOISSON, Franck D'AGOSTO, Sébastien NORSIC
  • Publication number: 20170174794
    Abstract: A polymer comprises randomly distributed units UA, UB, UC and UD and at least one unit bearing a subunit F according to the respective molar percentages m, n, o, p and f F pendant along the chain of the polymer and bearing an associative group comprising at least one nitrogen atom, R1 and R2, which are identical or different, denoting a hydrogen atom, a methyl radical or a phenyl radical which is unsubstituted or substituted in the ortho, meta or para position by a methyl radical, m?50, n?0, o?0, f>0, 0<o+p?25, m, n, o, p and f ranging from 0 to 100, the respective molar percentages of m, n, o, p and f calculated based on the sum of m+n+p+f, which is equal to 100.
    Type: Application
    Filed: July 9, 2015
    Publication date: June 22, 2017
    Inventors: Etienne FLEURY, Julien THUILLIEZ, Jean-Michel FAVROT
  • Publication number: 20170158782
    Abstract: The present invention relates to a rubber composition based on at least one diene elastomer, a reinforcing filler, a chemical crosslinking agent, and a modifying agent, optionally already grafted to the diene elastomer, the modifying agent comprising an associative group and a dipole, the diene elastomer before grafting the modifying agent comprising the units UA, UB, UC and UD, randomly distributed according to a respective molar percentage m, n, o and p. R1 and R2, which are identical or different, denoting a hydrogen atom, a methyl radical or a phenyl radical substituted or unsubstituted in the ortho, meta or para position by a methyl radical, m?50 0<o+p?25, n+o>0, m, n, o and p being numbers ranging from 0 to 100.
    Type: Application
    Filed: July 9, 2015
    Publication date: June 8, 2017
    Inventors: Etienne FLEURY, Julien THUILLIEZ, Jean-Michel FAVROT