Patents by Inventor Christophe Chouvel

Christophe Chouvel 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: 20190300684
    Abstract: A tire has an outer sidewall, said outer sidewall comprising at least one composition based on an elastomeric matrix comprising: one or more thermoplastic elastomers comprising at least one elastomer block and at least one thermoplastic block, the elastomer block(s) not denoting one or more polyisobutylene blocks; and one or more synthetic diene elastomers selected from butadiene polymers having a glass transition temperature of less than or equal to ?50° C.; said composition comprising at least one crosslinking system and one or more reinforcing fillers.
    Type: Application
    Filed: November 30, 2017
    Publication date: October 3, 2019
    Inventor: CHRISTOPHE CHOUVEL
  • Publication number: 20190300640
    Abstract: A tire has an outer sidewall, said outer sidewall comprising at least one composition comprising an elastomeric matrix which predominantly comprises by weight one or more thermoplastic elastomers comprising at least one elastomer block and at least one thermoplastic block, the elastomer block(s) being saturated.
    Type: Application
    Filed: November 30, 2017
    Publication date: October 3, 2019
    Inventors: EMMANUEL CUSTODERO, BAPTISTE FOGLIENI, CHRISTOPHE CHOUVEL
  • Patent number: 10369842
    Abstract: The present invention relates to a tire comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, in which the tread comprises at least one thermoplastic elastomer, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type, and the total content of thermoplastic elastomer being within a range varying from 65 to 100 phr (parts by weight per hundred parts of elastomer).
    Type: Grant
    Filed: January 27, 2015
    Date of Patent: August 6, 2019
    Assignee: Compagnie Generale Des Etablissements Michelin
    Inventors: Vincent Abad, Emmanuel Custodero, Christophe Chouvel, Marc Greiveldinger
  • Patent number: 10081723
    Abstract: A tire tread comprises a composition based on at least an elastomer matrix comprising a polyisoprene and an unsaturated thermoplastic styrene elastomer which represents at most 50% by weight of the elastomer matrix, a reinforcing filler and a crosslinking system. The unsaturated thermoplastic styrene elastomer comprises at least one rigid styrene segment and at least one flexible isoprene segment, which at least one flexible isoprene segment has a glass transition temperature of less than ?20° C. Such a tread exhibits an improved resistance to crack propagation.
    Type: Grant
    Filed: December 19, 2014
    Date of Patent: September 25, 2018
    Assignee: Compagnie Generale Des Etablissements Michelin
    Inventors: Christophe Chouvel, José-Carlos Araujo Da Silva
  • Publication number: 20180186184
    Abstract: A tire comprises a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, characterized in that the tread comprises a composition based on at least a diene elastomer, at a content of between 35 and 99 phr (parts by weight per hundred parts of elastomer), a thermoplastic elastomer, at a content of between 1 and 65 phr, and a thermoplastic resin comprising optionally substituted polyphenylene ether units, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type.
    Type: Application
    Filed: June 7, 2016
    Publication date: July 5, 2018
    Inventor: CHRISTOPHE CHOUVEL
  • Publication number: 20180178584
    Abstract: The present invention relates to a tyre comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, characterized in that the tread comprises a composition based on at least a diene elastomer, at a content of between 35 and 99 phr (parts by weight per hundred parts of elastomer), a thermoplastic elastomer system, at a total content of between 1 and 65 phr, said thermoplastic elastomer system comprising at least two block copolymers, referred to as polystyrene and poly(butadiene/styrene) block copolymers, each comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type, and at least one thermoplastic block of styrene type, one of the two polystyrene and poly(butadiene/styrene) block copolymers being hydrogenated such that a proportion ranging from 95 to 100 mol % of the double bonds in the butadiene portion is hydrogenated, the latter being referre
    Type: Application
    Filed: June 7, 2016
    Publication date: June 28, 2018
    Inventor: CHRISTOPHE CHOUVEL
  • Publication number: 20170313130
    Abstract: A tire comprises a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, characterized in that the tread comprises a composition based on at least one diene elastomer, at a content of between 35 and 99 phr (parts by weight per hundred parts of elastomer), and a thermoplastic elastomer at a content of between 1 and 65 phr, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type.
    Type: Application
    Filed: June 26, 2015
    Publication date: November 2, 2017
    Inventors: CHRISTOPHE CHOUVEL, EMMANUEL CUSTODERO, MARC GREIVELDINGER
  • Publication number: 20160347121
    Abstract: An elastomeric laminate for tires comprises at least two superimposed layers of elastomer. The first layer is composed of a composition based on at least one thermoplastic elastomer (TPE), said thermoplastic elastomer being a block copolymer comprising at least one optionally hydrogenated butadiene/styrene random copolymer-type elastomer block and at least one styrene-type thermoplastic block, at a content within a range extending from more than 50 to 100 phr (parts by weight per 100 parts by weight of elastomer). The second layer is composed of a composition based on at least one diene elastomer, the content of diene elastomer being within a range extending from more than 50 to 95 phr, and on at least one thermoplastic elastomer (TPE), said thermoplastic elastomer being a block copolymer comprising at least one optionally hydrogenated butadiene-styrene random copolymer-type elastomer block and at least one styrene-type thermoplastic block, at a content within a range extending from 5 to less than 50 phr.
    Type: Application
    Filed: January 27, 2015
    Publication date: December 1, 2016
    Inventors: MARC GREIVELDINGER, EMMANUEL CUSTODERO, CHRISTOPHE CHOUVEL
  • Publication number: 20160339743
    Abstract: The present invention relates to a tire comprising a tread, a crown with a crown reinforcement, two sidewalls, two beads, a carcass reinforcement anchored to the two beads and extending from one sidewall to the other, in which the tread comprises at least one thermoplastic elastomer, said thermoplastic elastomer being a block copolymer comprising at least one elastomer block of optionally hydrogenated butadiene/styrene random copolymer type and at least one thermoplastic block of styrene type, and the total content of thermoplastic elastomer being within a range varying from 65 to 100 phr (parts by weight per hundred parts of elastomer).
    Type: Application
    Filed: January 27, 2015
    Publication date: November 24, 2016
    Inventors: VINCENT ABAD, EMMANUEL CUSTODERO, CHRISTOPHE CHOUVEL, MARC GREIVELDINGER
  • Publication number: 20160319111
    Abstract: A tire tread comprises a composition based on at least an elastomer matrix comprising a polyisoprene and an unsaturated thermoplastic styrene elastomer which represents at most 50% by weight of the elastomer matrix, a reinforcing filler and a crosslinking system. The unsaturated thermoplastic styrene elastomer comprises at least one rigid styrene segment and at least one flexible isoprene segment, which at least one flexible isoprene segment has a glass transition temperature of less than ?20° C. Such a tread exhibits an improved resistance to crack propagation.
    Type: Application
    Filed: December 19, 2014
    Publication date: November 3, 2016
    Inventors: CHRISTOPHE CHOUVEL, JOSÉ-CARLOS ARAUJO DA SILVA
  • Patent number: 8785543
    Abstract: Composite reinforcer (R-2) capable of adhering directly to a diene rubber matrix, which can be used as reinforcing element for a tire, having one or more reinforcing thread(s) (20); a first layer (21) of a thermoplastic polymer, the glass transition temperature of which is positive covering individually the thread or several threads; a second layer (22) of a composition having a poly(p-phenylene ether) (“PPE”) and a functionalized unsaturated thermoplastic styrene (“TPS”) elastomer, the glass transition temperature of which is negative, the elastomer bearing functional groups selected from epoxide, carboxyl, acid anhydride and acid ester groups, in particular an epoxidized SBS elastomer, covering the first layer (21). Process for manufacturing a composite reinforcer and rubber article or semi-finished product, especially a tire, incorporating such a composite reinforcer.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: July 22, 2014
    Assignees: Compagnie Generale des Establissements Michelin, Michelin Recherche et Techniques S.A.
    Inventors: Vincent Abad, Sebastien Rigo, Christophe Chouvel
  • Patent number: 8763662
    Abstract: Composite reinforcement (R-2) capable of adhering directly to a diene rubber matrix, which can be used as reinforcing element for a tire, comprising: one or more reinforcing thread(s) (20), for example a carbon steel cord; a first layer (21) of a thermoplastic polymer, the glass transition temperature of which is positive, for example 6,6 polyamide, covering said thread or said threads; a second layer (22) of a composition comprising an unsaturated thermoplastic stirene (“TPS”) elastomer, the glass transition temperature of which is negative, for example an SB (stirene/butadiene) or SBS (stirene/butadiene/stirene) block copolymer, as well as a poly(p-phenylene ether) (“PPE”), covering the first layer (21). Process for manufacturing such a composite reinforcement and rubber article or semi-finished product, especially a tire, incorporating such a composite reinforcement.
    Type: Grant
    Filed: July 21, 2010
    Date of Patent: July 1, 2014
    Assignees: Compagnie Generale des Etablissements Michelin, Michelin Recherche et Technique S.A.
    Inventors: Vincent Abad, Sebastien Rigo, Christophe Chouvel
  • Publication number: 20120315408
    Abstract: An inflatable article is provided with an elastomer layer that is airtight to inflation gases used to inflate the article. The elastomer layer includes at least one blend of a thermoplastic elastomer in a proportion A and a partially crosslinked butyl rubber in a proportion B. The ratio A/B varies in a range between 1 and 20, with A and B being expressed by weight. The thermoplastic elastomer includes a polyisobutylene block.
    Type: Application
    Filed: December 21, 2010
    Publication date: December 13, 2012
    Applicants: MICHELIN RECHERCHE ET TECHNIQUE S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Christophe Chouvel, Marc Greiveldinger, Emmanuel Custodero
  • Publication number: 20120267023
    Abstract: Composite reinforcer (R-2) capable of adhering directly to a diene rubber matrix, which can be used as reinforcing element for a tire, comprising: one or more reinforcing thread(s) (20), in particular a carbon steel cord; a first layer (21) of a thermoplastic polymer, the glass transition temperature of which is positive, in particular a 6,6 polyimide, covering individually said thread or each thread or collectively several threads; a second layer (22) of a composition comprising a poly(p-phenylene ether) (“PPE”) and a functionalized unsaturated thermoplastic stirene (“TPS”) elastomer, the glass transition temperature of which is negative, said elastomer bearing functional groups selected from epoxide, carboxyl, acid anhydride and acid ester groups, in particular an epoxidized SBS elastomer, covering the first layer (21). Process for manufacturing a composite reinforcer and rubber article or semi-finished product, especially a tire, incorporating such a composite reinforcer.
    Type: Application
    Filed: October 25, 2010
    Publication date: October 25, 2012
    Inventors: Vincent Abad, Sébastien Rigo, Christophe Chouvel
  • Publication number: 20120180921
    Abstract: Composite reinforcement (R-2) capable of adhering directly to a diene rubber matrix, which can be used as reinforcing element for a tire, comprising: one or more reinforcing thread(s) (20), for example a carbon steel cord; a first layer (21) of a thermoplastic polymer, the glass transition temperature of which is positive, for example 6,6 polyamide, covering said thread or said threads; a second layer (22) of a composition comprising an unsaturated thermoplastic stirene (“TPS”) elastomer, the glass transition temperature of which is negative, for example an SB (stirene/butadiene) or SBS (stirene/butadiene/stirene) block copolymer, as well as a poly(p-phenylene ether) (“PPE”), covering the first layer (21). Process for manufacturing such a composite reinforcement and rubber article or semi-finished product, especially a tire, incorporating such a composite reinforcement.
    Type: Application
    Filed: July 21, 2010
    Publication date: July 19, 2012
    Inventors: Vincent Abad, Sebastien Rigo, Christophe Chouvel