Patents by Inventor Laure Simonot
Laure Simonot 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: 20090020205Abstract: The present invention relates to a mounted assembly (i.e. tire/wheel assembly) for an automobile vehicle, comprising a rim, a safety support which is mounted on the rim and at least the radially outer face of which is formed of a material of very high modulus, a tire casing mounted on the rim around said support, said rim having on each of its two peripheral edges a rim seat on which is mounted a bead of said casing, and comprising between its two seats a bearing surface receiving said support; this mounted assembly is characterised in that: the material of very high modulus has a secant tensile modulus at 10% elongation, measured at 80° C. and denoted E10, which is greater than 50 MPa; the mounted assembly is provided with a lubricating composition having values of viscosity (denoted respectively ?1 and ?2), expressed in Pa·s and measured at 20° C., which satisfy the following relationships: at a shear rate of 0.3 s?1: 80<?1<2500; at a shear rate of 10 s?1: 0.1<?2<35.Type: ApplicationFiled: August 1, 2005Publication date: January 22, 2009Applicant: Michelin Recherche Et Technique S.A.Inventors: Michael Cogne, Laure Simonot, Jean-Louis Mauclin
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Patent number: 7425313Abstract: A reinforcing aluminum-based filler which can be used for reinforcing diene rubber compositions intended for the manufacture of tires, comprising an aluminum (oxide-)hydroxide corresponding, with the exception of any impurities and the water of hydration, to the general formula (a and b being real numbers): Al(OH)aOb, with 0<a?3 and b=(3?a)/2, ??(I) the specific BET surface area of which is between 30 and 400 m2/g, the average particle size (by mass) dw of which is between 20 and 400 nm and the disagglomeration rate, ?, of which, measured via an ultrasound disagglomeration test at 100% power of a 600-watt ultrasonic probe, is greater than 5×10?3 ?m?1/s is provided. A rubber composition suitable for the manufacture of tires comprising said aluminum-based filler as reinforcing filler.Type: GrantFiled: July 28, 2005Date of Patent: September 16, 2008Assignee: Compagnie Generale des Establissements Michelin - Michelin & CieInventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Publication number: 20070251626Abstract: A lubricant composition for lubricating an interface between an inner surface of a tire and a safety support ring in a run-flat tire system that includes a lubricating agent selected from glycerol, polyalkylene glycol or combinations thereof and a thixotropic agent. The thixotropic agent is an organoclay comprising a mineral clay mixture treated with an alkyl quaternary ammonium salt, wherein the mineral clay mixture comprises at least one of sepiolite, palygorskite and a smectite and wherein a combined amount of palygorskite and sepiolite in the mineral clay mixture is between about 50 wt. % and about 100 wt. % with a balance of the mineral clay mixture being essentially the smectite. The lubricating agent may also be selected from a copolymer that is a mixture of alkylene oxides, preferably a mixture of ethylene oxide and propylene oxide.Type: ApplicationFiled: May 18, 2007Publication date: November 1, 2007Inventors: Elizabeth HOTALING, Laure Simonot, Brian Bergman
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Patent number: 7256233Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, one reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer. The inorganic filler comprises a synthetic aluminosilicate of the formula: MxSiAlyOa(OH)b, (H2O)c??(I) in which: M is a cation selected from of K+, Na+, Ca++ and mixtures of these cations; x>0; y>0; a?0; b?0, c?0 and a+b>0, and having the following characteristics: (a) a BET specific surface area of between 20 and 300 m2/g; (b) an average particle size by mass (dw) of between 20 and 400 nm; and (c) an ultrasound disagglomeration rate (?) greater than 5×10?4 ?m?1/min.Type: GrantFiled: June 20, 2005Date of Patent: August 14, 2007Assignee: Michelin Recherche et Technique S.A.Inventors: Laure Simonot, Anne Veyland, Arnaud Lapra, Emmanuel Custodero
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Patent number: 7202295Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, a reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer, wherein said inorganic filler comprises a silicon carbide having the following characteristics: (a) a BET specific surface area of between 20 and 200 m2/g; (b) an average particle size (by mass), dW, of between 10 and 350 nm. Tires or semi-finished products for tires such as treads comprising said rubber composition.Type: GrantFiled: July 2, 2003Date of Patent: April 10, 2007Assignee: Michelin Recherche et Technique S.A.Inventors: Laure Simonot, Thierry Chartier, Emmanuel Custodero
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Patent number: 7135517Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, at least one reinforcing inorganic filler and at least one coupling agent providing a bond between the inorganic filler and the elastomer. The reinforcing inorganic filler includes a silicon nitride having the following characteristics: (a) a BET specific surface area of between 20 and 200 m2/g; (b) an average particle size (by mass), dw, of between 10 and 350 nm. The rubber composition may be used for the manufacture of rubber articles, in particular of tires or semi-finished products made of rubber intended for tires, in particular of treads.Type: GrantFiled: December 30, 2004Date of Patent: November 14, 2006Assignee: Michelin Recherche et Technique S.A.Inventors: Laure Simonot, Arnaud Lapra, Anne Veyland, Emmanuel Custodero
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Publication number: 20060016535Abstract: The present invention concerns a lubricant composition that can be used to lubricate an interface between a tire and a safety support mounted on a wheel rim inside the tire, the tire and a mounted assembly for an automotive vehicle being provided with the lubricant composition, wherein the lubricant composition according to the invention is characterized in that it comprises an alkene oxide polymer (polyoxyalkene) as the lubricating agent and between 4.0% and 7.5% (% by weight of the lubricant composition) of silica as a thickening agent.Type: ApplicationFiled: August 3, 2005Publication date: January 26, 2006Applicant: Michelin Recherche Et Technique S.A.Inventors: Jean-Louis Mauclin, Georges Salaun, Laure Simonot
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Publication number: 20060009564Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, one reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer. The inorganic filler comprises a synthetic aluminosilicate of the formula: MxSiAlyOa(OH)b, (H2O)c??(I) in which: M is a cation selected from of K+, Na+, Ca++ and mixtures of these cations; x>0; y>0; a?0; b?0, c?0 and a+b>0, and having the following characteristics: (a) a BET specific surface area of between 20 and 300 m2/g; (b) an average particle size by mass (dw) of between 20 and 400 nm; and (c) an ultrasound disagglomeration rate (?) greater than 5×10?4 ?m?1/min.Type: ApplicationFiled: June 20, 2005Publication date: January 12, 2006Applicant: MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: Laure Simonot, Anne Veyland, Arnaud Lapra, Emmanuel Custodero
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Patent number: 6975396Abstract: A reinforcing aluminum-based filler which can be used for reinforcing diene rubber compositions intended for the manufacture of tires, comprising an aluminum (oxide)hydroxide corresponding, with the exception of any impurities and the water of hydration, to the general formula (a and b being real numbers): Al(OH)aOb, with 0<a?3 and b=(3?a)/2,??(I) the specific BET surface area of which is between 30 and 400 m2/g, the average particle size (by mass) dw of which is between 20 and 400 nm and the disagglomeration rate, ?, of which, measured via an ultrasound disagglomeration test at 100% power of a 600-watt ultrasonic probe, is greater than 5×10?3 ?m?1/s is provided. A rubber composition suitable for the manufacture of tires comprising said aluminum-based filler as reinforcing filler.Type: GrantFiled: April 30, 2003Date of Patent: December 13, 2005Assignee: Compagnie Generale des Establissements Michelin-Michelin & CieInventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Publication number: 20050267242Abstract: A reinforcing aluminum-based filler which can be used for reinforcing diene rubber compositions intended for the manufacture of tires, comprising an aluminum (oxide-)hydroxide corresponding, with the exception of any impurities and the water of hydration, to the general formula (a and b being real numbers): Al(OH)aOb, with 0<a?3 and b=(3?a)/2,??(I) the specific BET surface area of which is between 30 and 400 m2/g, the average particle size (by mass) dw of which is between 20 and 400 nm and the disagglomeration rate, ?, of which, measured via an ultrasound disagglomeration test at 100% power of a 600-watt ultrasonic probe, is greater than 5×10?3 ?m?1/s is provided. A rubber composition suitable for the manufacture of tires comprising said aluminum-based filler as reinforcing filler.Type: ApplicationFiled: July 28, 2005Publication date: December 1, 2005Inventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Publication number: 20050171264Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, at least one reinforcing inorganic filler and at least one coupling agent providing a bond between the inorganic filler and the elastomer. The reinforcing inorganic filler includes a silicon nitride having the following characteristics: (a) a BET specific surface area of between 20 and 200 m2/g; (b) an average particle size (by mass), dw, of between 10 and 350 nm. The rubber composition may be used for the manufacture of rubber articles, in particular of tires or semi-finished products made of rubber intended for tires, in particular of treads.Type: ApplicationFiled: December 30, 2004Publication date: August 4, 2005Inventors: Laure Simonot, Arnaud Lapra, Anne Veyland, Emmanuel Custodero
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Patent number: 6835769Abstract: The invention provides rubber composition usable for the manufacture of tires, comprising at least (i) one diene elastomer, (ii) one white filler as reinforcing filler and (iii) one coupling agent (white filler/elastomer), the white filler comprising a titanium oxide having the following characteristics: (a) it comprises more than 0.5% by mass of a metallic element, other than titanium, selected from the group consisting of Al, Fe, Si, Zr and mixtures thereof; (b) its specific BET surface area is between 20 and 200 m2/g; (c) its average particle size (by mass), dw, is between 20 and 400 nm; and (d) its disagglomeration rate, &agr;, measured by the ultrasound disagglomeration test, at 100% power of a 600-watt ultrasonic probe, is greater than 2×10−2 &mgr;m−1/s. The invention also provides for the use of a rubber composition according to the invention for the manufacture of rubber articles, in particular tires or semi-finished rubber products intended for these tires.Type: GrantFiled: January 26, 2001Date of Patent: December 28, 2004Assignee: Michelin Recherche et Technique S.A.Inventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Patent number: 6770367Abstract: The invention provides a process for preparing a modified carbon black with an adhering layer of aluminum oxide and/or hydroxide. This process involves (a) impregnating a starting carbon black with a colloidal suspension formed by hydrolysis of a solution of aluminum alkoxide in an alcoholic solvent, (b) removing the alcoholic solvent by evaporation, and (c) heat-treating the black thus impregnated so as to transform the aluminuous layer present at its surface into an adhering layer of aluminum oxide and/or hydroxide. The modified carbon black prepared by the process is also provided.Type: GrantFiled: May 30, 2000Date of Patent: August 3, 2004Assignee: Compagnie Générale des Etablissements Michelin - Michelin & CieInventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Patent number: 6747087Abstract: The invention provides rubber composition usable for the manufacture of tires, comprising at least (i) one diene elastomer, (ii) one white filler as reinforcing filler and (iii) one coupling agent (white filler/elastomer), the white filler comprising a titanium oxide having the following characteristics: (a) its specific BET surface area is between 20 and 200 m2/g; (b) its average particle size (by mass), dw, is between 20 and 400 nm; and (c) its disagglomeration rate, &agr;, measured by the ultrasound disagglomeration test, at 100% power of a 600-watt ultrasonic probe, is greater than 2×102 &mgr;m1/s. The invention also provides for the use of a rubber composition according to the invention for the manufacture of rubber articles, in particular tires or semi-finished rubber products intended for these tires. The composition of the invention is particularly useful for the manufacture of colored tires or colored semi-finished articles such as tire treads or sidewalls.Type: GrantFiled: January 26, 2001Date of Patent: June 8, 2004Assignee: Michelin Recherche et Technique S.A.Inventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Publication number: 20040030017Abstract: A rubber composition usable for the manufacture of tires, based on at least one diene elastomer, a reinforcing inorganic filler and a coupling agent providing the bond between the inorganic filler and the elastomer, wherein said inorganic filler comprises a silicon carbide having the following characteristics:Type: ApplicationFiled: July 2, 2003Publication date: February 12, 2004Applicant: Michelin Recherche Et Technique S.A.Inventors: Laure Simonot, Thierry Chartier, Emmanuel Custodero
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Publication number: 20030202923Abstract: A reinforcing aluminum-based filler which can be used for reinforcing diene rubber compositions intended for the manufacture of tires, comprising an aluminum (oxide-)hydroxide corresponding, with the exception of any impurities and the water of hydration, to the general formula (a and b being real numbers):Type: ApplicationFiled: April 30, 2003Publication date: October 30, 2003Applicant: Compagnie Generale des Etablissements, Michelin - Michelin & Cie.Inventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Patent number: 6610261Abstract: A reinforcing aluminum-based filler which can be used for reinforcing diene rubber compositions intended for the manufacture of tires, comprising an aluminum (oxide-)hydroxide corresponding, with the exception of any impurities and the water of hydration, to the general formula (a and b being real numbers): Al(OH)aOb, with 0<a≦3 and b=(3-a)/2, (I) the specific BET surface area of which is between 30 and 400 m2/g, the average particle size (by mass) dw of which is between 20 and 400 nm and the disagglomeration rate, &agr;, of which, measured via an ultrasound disagglomeration test at 100% power of a 600-watt ultrasonic probe, is greater than 5×10−3 &mgr;m−1/s is provided. A rubber composition suitable for the manufacture of tires comprising said aluminum-based filler as reinforcing filler.Type: GrantFiled: May 30, 2000Date of Patent: August 26, 2003Assignee: Compagnie Générale des Etablissements Michelin - Michelin & CieInventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Publication number: 20020004549Abstract: The invention provides rubber composition usable for the manufacture of tires, comprising at least (i) one diene elastomer, (ii) one white filler as reinforcing filler and (iii) one coupling agent (white filler/elastomer), the white filler comprising a titanium oxide having the following characteristics:Type: ApplicationFiled: January 26, 2001Publication date: January 10, 2002Applicant: MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat
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Publication number: 20010039308Abstract: The invention provides rubber composition usable for the manufacture of tires, comprising at least (i) one diene elastomer, (ii) one white filler as reinforcing filler and (iii) one coupling agent (white filler/elastomer), the white filler comprising a titanium oxide having the following characteristics:Type: ApplicationFiled: January 26, 2001Publication date: November 8, 2001Applicant: MICHELIN RECHERCHE ET TECHNIQUE S.A.Inventors: Emmanuel Custodero, Laure Simonot, Jean-Claude Tardivat