Patents by Inventor Aline Riou
Aline Riou 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).
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Publication number: 20220396687Abstract: A rubber composition is based on an elastomeric matrix comprising from 40 to 80 phr of at least one butadiene elastomer, a vulcanization system comprising sulfur and a vulcanization accelerator, in which the weight ratio of sulfur to vulcanization accelerator is strictly less than 1, and at least 55 phr of organic filler mainly comprising a carbon black, called black G, having a BET specific surface area ranging from 15 to 50 m2/g and a compressed oil absorption number (COAN) in a range of from 40 to 100 ml/100 g.Type: ApplicationFiled: November 4, 2020Publication date: December 15, 2022Inventor: ALINE RIOU
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Publication number: 20220282070Abstract: The invention relates to a rubber composition based on at least one elastomeric matrix comprising at least one diene elastomer, at least one reinforcing filler predominantly comprising carbon black and at least one reinforcing inorganic filler, at least one plasticizing resin having a glass transition temperature of greater than or equal to 20° C., at least one cobalt salt and at least one sulfur vulcanization system, said rubber composition exhibiting a Z score for dispersion of the reinforcing filler in the elastomeric matrix of greater than or equal to 85. The invention also relates to a reinforced product comprises at least one steel reinforcing element coated at least in part with a metallic coating and the rubber composition defined above, said reinforcing element being embedded in said rubber composition. The present invention also relates to a tyre comprising this composition and/or this reinforced product.Type: ApplicationFiled: July 21, 2020Publication date: September 8, 2022Inventors: PATRICIA LAGARDE, ALINE RIOU
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Publication number: 20200079946Abstract: A rubber composition is based on at least one elastomer, carbon black in a content ranging from 2 to 15 phr, graphite in a content of greater than or equal to 60 phr and a plasticizing oil, the content of which is less than or equal to 30 phr. The composition may be used especially as the inner liner of a tire.Type: ApplicationFiled: December 14, 2017Publication date: March 12, 2020Inventors: SÉVERINE BIZET, ALINE RIOU, BÉATRICE LOPEZ
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Patent number: 9951195Abstract: A tire inner liner comprises a rubber composition comprising: an elastomeric matrix comprising at least 50 phr of one or more butyl rubbers, from 5 to 35 phr of carbon black, from 0 to less than 10 phr of a plasticizing agent, at least 5 phr of one or more additional fillers selected from reinforcing fillers other than carbon black, semi-reinforcing fillers and inert fillers, the total content of reinforcing fillers and of semi-reinforcing fillers in the rubber composition varying from 5 to 50 phr. The invention also relates to a tire comprising such a liner.Type: GrantFiled: June 30, 2015Date of Patent: April 24, 2018Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventor: Aline Riou
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Patent number: 9751364Abstract: A multilayer laminate, which is usable as a reinforcing element for a finished article or for a semifinished product made of rubber, such as a tire, includes at least one polymer film having, in any tensile direction in the film's plane, a Young's modulus that is greater than 500 MPa. The film is positioned between and in contact with two layers formed of a rubber composition, such as natural rubber. Each layer formed of the rubber composition exhibits, in a crosslinked state, a secant modulus that, in extension at 10% elongation, is greater than 30 MPa, with between 30 and 150 MPa being preferable for the secant modulus.Type: GrantFiled: February 21, 2013Date of Patent: September 5, 2017Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Jean-Michel Huyghe, Christophe Le Clerc, Aline Riou, Anne-Lise Thuilliez
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Publication number: 20170137594Abstract: A tire inner liner comprises a rubber composition comprising: an elastomeric matrix comprising at least 50 phr of one or more butyl rubbers, from 5 to 35 phr of carbon black, from 0 to less than 10 phr of a plasticizing agent, at least 5 phr of one or more additional fillers selected from reinforcing fillers other than carbon black, semi-reinforcing fillers and inert fillers, the total content of reinforcing fillers and of semi-reinforcing fillers in the rubber composition varying from 5 to 50 phr. The invention also relates to a tire comprising such a liner.Type: ApplicationFiled: June 30, 2015Publication date: May 18, 2017Inventor: ALINE RIOU
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Patent number: 9505917Abstract: A tire, the inner liner of which comprises a rubber composition based on at least predominantly a highly unsaturated diene elastomer, a reinforcing organic filler, graphite, chalk, a plasticizing hydrocarbon resin, the glass transition temperature, Tg, of which is greater than 20° C. and the softening point of which is less than 170° C. The use of such a composition in the inner liner of the tire, including graphite and a non-reinforcing filler of chalk type, makes it possible to notably improve the airtightness properties with respect to a control composition which comprises only graphite and which already performs very well in this aspect, but also with respect to a control composition conventionally used in the inner liners of tires, while maintaining a good level of the stiffness and processability properties as the conventional control compositions.Type: GrantFiled: October 10, 2013Date of Patent: November 29, 2016Assignees: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: Isabelle Riou, Aline Riou, Jean-Luc Cabioch
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Publication number: 20150284548Abstract: A tire, the inner liner of which comprises a rubber composition based on at least predominantly a highly unsaturated diene elastomer, a reinforcing organic filler, graphite, chalk, a plasticizing hydrocarbon resin, the glass transition temperature, Tg, of which is greater than 20° C. and the softening point of which is less than 170° C. The use of such a composition in the inner liner of the tire, including graphite and a non-reinforcing filler of chalk type, makes it possible to notably improve the airtightness properties with respect to a control composition which comprises only graphite and which already performs very well in this aspect, but also with respect to a control composition conventionally used in the inner liners of tires, while maintaining a good level of the stiffness and processability properties as the conventional control compositions.Type: ApplicationFiled: October 10, 2013Publication date: October 8, 2015Applicants: MICHELIN RECHERCHE ET TECHNIQUE, S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Isabelle Riou, Aline Riou, Jean-Luc Cabioch
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Publication number: 20150136298Abstract: A multilayer laminate, which is usable as a reinforcing element for a finished article or for a semifinished product made of rubber, such as a tyre, includes at least one polymer film having, in any tensile direction in the film's plane, a Young's modulus that is greater than 500 MPa. The film is positioned between and in contact with two layers formed of a rubber composition, such as natural rubber. Each layer formed of the rubber composition exhibits, in a crosslinked state, a secant modulus that, in extension at 10% elongation, is greater than 30 MPa, with between 30 and 150 MPa being preferable for the secant modulus.Type: ApplicationFiled: February 21, 2013Publication date: May 21, 2015Applicant: Michelin Recherche et Technique S.A.Inventors: Jean-Michel Huyghe, Christophe Le Clerc, Aline Riou, Anne-Lise Thuilliez
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Publication number: 20130338294Abstract: A layer that is airtight to inflation gases is formed of a composition that includes at least: a halogenated elastomer having a content of greater than or equal to 70 parts by weight per hundred parts by weight of elastomer (phr); a reinforcing filler; and a crosslinking system based on a metal oxide. The crosslinking system contains less than 0.5 phr of sulphur and may be free of sulphur. More particularly, the crosslinking system contains less than 0.1 phr of sulphur.Type: ApplicationFiled: December 9, 2011Publication date: December 19, 2013Applicants: MICHELIN RECHERCHE ET TECHNIQUE S.A., COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELINInventors: Aline Riou, Séverine Bizet
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Patent number: 8304471Abstract: A rubber composition, in particular intended for the manufacture of tires, based on at least a predominant elastomer, chosen from the group consisting of butyl rubbers, essentially unsaturated diene elastomers, essentially saturated diene elastomers and the mixtures of these elastomers, and a reinforcing filler, characterized in that the composition also comprises at least one inert filler chosen from silicon-based lamellar mineral fillers and a nonfunctionalized polyisobutylene oil, having a molecular weight of between 200 g/mol and 40 000 g/mol, present in a proportion of between 2 and 50 phe.Type: GrantFiled: December 16, 2008Date of Patent: November 6, 2012Assignees: Michelin Recherche et Technique S.A., Compagnie Generale des Etablissements MichelinInventors: Aurélie Joseph, Aline Riou
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Patent number: 8304482Abstract: A rubber composition, in particular intended for the manufacture of tires, based on at least a predominant elastomer, chosen from the group consisting of butyl rubbers, essentially unsaturated diene elastomers, essentially saturated diene elastomers and the mixtures of these elastomers, and a reinforcing filler, characterized in that the composition also comprises graphite and a functionalized or nonfunctionalized polyisobutylene oil, having a molecular weight of between 200 g/mol and 40 000 g/mol, present in a proportion of between 2 and 50 phe.Type: GrantFiled: December 16, 2008Date of Patent: November 6, 2012Assignees: Michelin Recherche et Technique S.A., Compagnie Generale des Establishments MichelinInventors: Aurélie Joseph, Aline Riou
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Patent number: 8088861Abstract: A tire inner liner having a rubber composition based on at least one butyl rubber, a reinforcing filler, graphite and a plasticizing system. The plasticizing system comprises a hydrocarbon plasticizing resin, the glass transition temperature Tg of which is above 20° C. and the softening point of which is below 170° C. A process for producing such a composition for a tire inner liner comprises incorporating into a diene elastomer, in a mixer: a reinforcing filler, graphite, and a plasticizing system, by thermomechanically mixing all the ingredients, one or more times, until a maximum temperature between 110° C. and 190° C. is reached; cooling the mixture down to a temperature below 100° C.; then incorporating a crosslinking system; and mixing everything until a maximum temperature below 110° C. is reached.Type: GrantFiled: May 23, 2008Date of Patent: January 3, 2012Assignees: Societe de Technologie Michelin, Michelin Recherche et Technique S.A.Inventors: Aurélie Joseph, Aline Riou, Julien Berriot, Julien Cladiere
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Publication number: 20110015303Abstract: A rubber composition, in particular intended for the manufacture of tires, based on at least a predominant elastomer, chosen from the group consisting of butyl rubbers, essentially unsaturated diene elastomers, essentially saturated diene elastomers and the mixtures of these elastomers, and a reinforcing filler, characterized in that the composition also comprises at least one inert filler chosen from silicon-based lamellar mineral fillers and a nonfunctionalized polyisobutylene oil, having a molecular weight of between 200 g/mol and 40 000 g/mol, present in a proportion of between 2 and 50 phe.Type: ApplicationFiled: December 16, 2008Publication date: January 20, 2011Applicant: SOCIETE TECHNOLOGIE MICHELINInventors: Aurélie Joseph, Aline Riou
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Publication number: 20100324200Abstract: A rubber composition, in particular intended for the manufacture of tires, based on at least a predominant elastomer, chosen from the group consisting of butyl rubbers, essentially unsaturated diene elastomers, essentially saturated diene elastomers and the mixtures of these elastomers, and a reinforcing filler, characterized in that the composition also comprises graphite and a functionalized or nonfunctionalized polyisobutylene oil, having a molecular weight of between 200 g/mol and 40 000 g/mol, present in a proportion of between 2 and 50 phe.Type: ApplicationFiled: December 16, 2008Publication date: December 23, 2010Applicants: SOCIETE DE TECHNOLOGIE MICHELIN, Michelin Recherche et Technique S.A.Inventors: Aurélie Joseph, Aline Riou
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Publication number: 20100227968Abstract: A tire inner liner having a rubber composition based on at least one butyl rubber, a reinforcing filler and a plasticizing system. The composition also includes graphite and the plasticizing system comprises a hydrocarbon plasticizing resin, the glass transition temperature Tg of which is above 20° C. and the softening point of which is below 170° C. A process is disclosed for producing such a composition for a tire inner liner. The process comprises the following steps: incorporating into a diene elastomer, in a mixer: a reinforcing filler, graphite, and a plasticizing system, by thermomechanically mixing all the ingredients, one or more times, until a maximum temperature between 110° C. and 190° C. is reached; cooling the mixture down to a temperature below 100° C.; then incorporating a crosslinking system; and mixing everything until a maximum temperature below 110° C. is reached.Type: ApplicationFiled: May 23, 2008Publication date: September 9, 2010Inventors: Aurélie Joseph, Aline Riou, Julien Berriot, Julien Cladiere