Patents by Inventor Laure Belin
Laure Belin 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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Patent number: 9000092Abstract: The invention relates to a rubber composition that is free of zinc or that contains less than 0.5 phr of zinc, which can be used for the manufacture of tires, based on at least: one diene elastomer; one sulphur-based crosslinking system; one inorganic filler as reinforcing filler; one blocked mercaptosilane of general formula I below: (R3O)R2R1—Si—Z—S—C(?O)-A in which: R1 and R2, which are identical or different, represent a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; R3 represents a monovalent hydrocarbon-based group chosen from linear or branched alkyls having from 1 to 4 carbon atoms; A represents hydrogen or a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; Z represents a divalent bonding group comprising from 1 to 18 carbon atoms.Type: GrantFiled: December 18, 2009Date of Patent: April 7, 2015Assignees: Compagnie Generale des Etablissements Michelin, Michelin Recherche et Technique S.A.Inventors: Laure Belin, Karine Longchambon, José Carlos Araujo Da Silva
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Patent number: 8957155Abstract: The invention relates to a blocked mercaptosilane of general formula I below: (HO)2R1—Si—Z—S—C(?O)-A in which: R1 represents a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; A represents hydrogen or a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; Z represents a divalent bonding group comprising from 1 to 18 carbon atoms.Type: GrantFiled: December 18, 2009Date of Patent: February 17, 2015Assignees: Compagnie Generale des Etablissements, Michelin Recherche et Technique S.A.Inventors: Nicolas Seeboth, Karine Longchambon, Laure Belin, José Carlos Araujo Da Silva
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Patent number: 8623937Abstract: The invention relates to a rubber composition that is free of zinc or that contains less than 0.5 phr of zinc, which can be used for the manufacture of tyres, based on at least: one diene elastomer; one sulphur-based crosslinking system; one inorganic filler as reinforcing filler; one blocked mercaptosilane of general formula I below: (HO)3-nR1n—Si—Z—S—C(?O)-A in which: R1, which are identical or different, each represent a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; A represents hydrogen or a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; Z represents a divalent bonding group comprising from 1 to 18 carbon atoms; n is an integer equal to 0, 1 or 2.Type: GrantFiled: December 18, 2009Date of Patent: January 7, 2014Assignees: Compagnie Generale des Etablissements Michelin, Michelin Recherche et Technique S.A.Inventors: Laure Belin, Karine Longchambon, José Carlos Araujo Da Silva
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Publication number: 20110306700Abstract: The invention relates to a rubber composition that is free of zinc or that contains less than 0.5 phr of zinc, which can be used for the manufacture of tyres, based on at least: one diene elastomer; one sulphur-based crosslinking system; one inorganic filler as reinforcing filler; one blocked mercaptosilane of general formula I below: (R3O)R2R1—Si—Z—S—C(?O)-A in which: R1 and R2, which are identical or different, represent a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; R3 represents a monovalent hydrocarbon-based group chosen from linear or branched alkyls having from 1 to 4 carbon atoms; A represents hydrogen or a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; Z represents a divalent bonding group comprising from 1 to 18 carbon atoms.Type: ApplicationFiled: December 18, 2009Publication date: December 15, 2011Applicant: Michelin Recherche ET Technique S.A.Inventors: Laure Belin, Karine Longchambon, José Carlos Araujo Da Silva
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Publication number: 20110294915Abstract: The invention relates to a rubber compound containing no or less than 0.5 phr zinc, which can be used for the manufacture of tyres, the compound being based on at least: a diene elastomer; a sulphur-based crosslinking system; an inorganic filler as reinforcing filler; and a blocked mercaptosilane of the following general formula (I) in which formula (I): R1 which are the same or different, each represent a monovalent hydrocarbon group chosen from alkyls, whether linear or branched, cycloalkyls or aryls, having 1 to 18 carbon atoms; A represents hydrogen or a monovalent hydrocarbon group chosen from alkyls, whether linear or branched, cycloalkyls or aryls, having 1 to 18 carbon atoms; Z represents a divalently bonded group having 1 to 18 carbon atoms; and n is an integer equal to 0, 1 or 2.Type: ApplicationFiled: December 18, 2009Publication date: December 1, 2011Applicants: Michelin Recherche et Technique S.A., Societe De Technologie MichelinInventors: Laure Belin, Karine Longchambon, José Carlos Araujo Da Silva
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Publication number: 20110294953Abstract: The invention relates to a blocked mercaptosilane of general formula I below: (HO)2R1—Si—Z—S—C(?O)-A in which: R1 represents a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; A represents hydrogen or a monovalent hydrocarbon-based group chosen from alkyls, which are linear or branched, cycloalkyls or aryls, having from 1 to 18 carbon atoms; Z represents a divalent bonding group comprising from 1 to 18 carbon atoms.Type: ApplicationFiled: December 18, 2009Publication date: December 1, 2011Inventors: Nicolas Seeboth, Karine Longchambon, Laure Belin, Jóse Carlos Araujo Da Silva
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Publication number: 20110009547Abstract: Rubber composition which can be used in particular for the manufacture of tyres or tyre semi-finished products, such as treads, the said composition being based on at least a diene elastomer, a reinforcing inorganic filler, a coupling agent and a hydroxysilane of formula (I): R1(R2)nSi(OH)3-n in which: n is equal to 0, 1 or 2; R1 represents a hydrocarbon group having at least 4 carbon atoms; R2 represents an alkyl having from 1 to 4 carbon atoms, the R2 alkyls being identical or different if n is equal to 2.Type: ApplicationFiled: November 14, 2008Publication date: January 13, 2011Inventors: Jose Carlos Araujo Da Silva, Laure Belin, Karine Longchambon, Nicolas Seeboth
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Patent number: 7557151Abstract: Rubber composition, which can be used for the manufacture of tires, based on at least one diene elastomer, one reinforcing filler, one vulcanization system and, as antireversion agent, one itaconimidomaleimide compound of formula (R hydrocarbon radical): Use of such a composition for the manufacture of a finished article or of a semi-finished product made of rubber intended for a motor vehicle ground-contact system, in particular of a tire.Type: GrantFiled: March 15, 2006Date of Patent: July 7, 2009Assignee: Michelin Recherche et Technique S.A.Inventors: Laure Belin, Jose Carlos Araujo Da Silva, Sylvie Gandon-Pain, Geraldine Laffargue
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Publication number: 20090036579Abstract: Rubber composition, which can be used for the manufacture of tyres, based on at least one diene elastomer, one reinforcing filler, one vulcanization system and, as antireversion agent, one itaconimidomaleimide compound of formula (R hydrocarbon radical): Use of such a composition for the manufacture of a finished article or of a semi-finished product made of rubber intended for a motor vehicle ground-contact system, in particular of a tyre.Type: ApplicationFiled: March 15, 2006Publication date: February 5, 2009Inventors: Laure Belin, Jose Carlos Araujo Da Silva, Sylvie Gandon-Pain, Geraldine Laffargue
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Patent number: 7442733Abstract: A rubber composition, usable for the manufacture of tires, is based on at least one diene elastomer, reinforcing filler, vulcanization system and, as anti-reversion agent, a citraconimidomaleimide compound of the formula (R=hydrocarbon radical): The composition may be used for the manufacture of a finished article or a semi-finished product made of rubber intended for a ground contact system of an automobile, in particular of a tire.Type: GrantFiled: March 15, 2006Date of Patent: October 28, 2008Assignee: Michelin Recherche Et Technique S.A.Inventors: José Carlos Araujo Da Silva, Laure Belin, Christiane Blanchard
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Patent number: 7238740Abstract: The invention provides an elastomeric composition based on at least an isoprene elastomer, a reinforcing inorganic filler and, as (inorganic filler/isoprene elastomer) coupling agent, a citraconimido-alkoxysilane, in particular an N-[((C1-C3)alkyl-(C1-C3)alkoxysilyl)]-citraconimide. The isoprene elastomer is in particular natural rubber and the reinforcing inorganic filler a siliceous or aluminous filler of the highly dispersible type. Also provided is a process for preparing such a composition. The use of this composition for the manufacture of tires or semi-finished products for tires, in particular treads for heavy-vehicle tires, is also provided.Type: GrantFiled: March 13, 2003Date of Patent: July 3, 2007Assignee: Michelin Recherche et Technique S.A.Inventors: Laure Belin, Christiane Blanchard, Salvatore Pagano, Christel Thonier
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Patent number: 7189866Abstract: Siloxane polysulfide compound of the general formula (I) below: in which: the number x, which may be an integer or a fractional number, is equal to or greater than 2; the radicals Z, which may be identical or different, are divalent bond groups; the radicals R, which may be identical or different, are hydrocarbon groups. The use of such a compound as diene elastomer cross-linking agent, in particular in a rubber composition for a tire.Type: GrantFiled: September 21, 2004Date of Patent: March 13, 2007Assignee: Michelin Recherche et Technique S.A.Inventors: Laure Belin, Christiane Blanchard
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Publication number: 20060247342Abstract: A rubber composition, usable for the manufacture of tires, is based on at least one diene elastomer, reinforcing filler, vulcanization system and, as anti-reversion agent, a citraconimidomaleimide formula (R=hydrocarbon radical): The composition may be used for the manufacture of a finished article or a semi-finished product made of rubber intended for a ground contact system of an automobile, in particular of a tire.Type: ApplicationFiled: March 15, 2006Publication date: November 2, 2006Inventors: Jose Carlos Da Silva, Laure Belin, Christiane Blanchard
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Patent number: 7098260Abstract: A rubber composition based on at least a diene elastomer, a reinforcing filler and a siloxane polysulfide of the general formula (I) below: in which: the number x, which may be an integer or a fractional number, is equal to or greater than 2; the radicals Z, which may be identical or different, are divalent bond groups; the radicals R, which may be identical or different, are hydrocarbon groups. The invention also concerns a process for preparing a rubber composition having an improved reversion resistance, a finished article intended for a suspension system of an automotive vehicle, in particular a tire.Type: GrantFiled: September 21, 2004Date of Patent: August 29, 2006Assignee: Michelin Recherche et Technique S.A.Inventors: Laure Belin, Salvatore Pagano, Vanessa Roy
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Publication number: 20050090680Abstract: Siloxane polysulfide compound of the general formula (I) below: in which: the number x, which may be an integer or a fractional number, is equal to or greater than 2; the radicals Z, which may be identical or different, are divalent bond groups; the radicals R, which may be identical or different, are hydrocarbon groups. The use of such a compound as diene elastomer cross-linking agent, in particular in a rubber composition for a tire.Type: ApplicationFiled: September 21, 2004Publication date: April 28, 2005Inventors: Laure Belin, Christiane Blanchard
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Publication number: 20050090606Abstract: A rubber composition based on at least a diene elastomer, a reinforcing filler and a siloxane polysulfide of the general formula (I) below: in which: the number x, which may be an integer or a fractional number, is equal to or greater than 2; the radicals Z, which may be identical or different, are divalent bond groups; the radicals R, which may be identical or different, are hydrocarbon groups. The invention also concerns a process for preparing a rubber composition having an improved reversion resistance, a finished article intended for a suspension system of an automotive vehicle, in particular a tire.Type: ApplicationFiled: September 21, 2004Publication date: April 28, 2005Inventors: Laure Belin, Salvatore Pagano, Vanessa Roy
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Patent number: 6774255Abstract: A monohydroxysilane polysulfide of the formula: in which the radicals R, which may be identical or different, are hydrocarbon groups preferably comprising from 1 to 15 carbon atoms; the radicals R′, which may be identical or different, are divalent linking groups preferably comprising from 1 to 18 carbon atoms; x is greater than or equal to 2. This hydroxysilane is in particular a bis-(propyidimethylsilanol) polysulfide. A process for obtaining such a hydroxysilane by alcoholysis and/or hydrolysis of a halogenated organosilane, followed by a sulfuration stage. Use of this hydroxysilane as a coupling agent.Type: GrantFiled: April 10, 2003Date of Patent: August 10, 2004Assignee: Michelin Recherche et Technique, S.A.Inventors: Jean-Claude Tardivat, Laure Belin, Christiane Blanchard
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Publication number: 20030181562Abstract: The invention provides an elastomeric composition based on at least an isoprene elastomer, a reinforcing inorganic filler and, as (inorganic filler/isoprene elastomer) coupling agent, a citraconimido-alkoxysilane, in particular an N-[((C1-C3)alkyl-(C1-C3)alkoxysilyl)]-citraconimide. The isoprene elastomer is in particular natural rubber and the reinforcing inorganic filler a siliceous or aluminous filler of the highly dispersible type. Also provided is a process for preparing such a composition. The use of this composition for the manufacture of tires or semi-finished products for tires, in particular treads for heavy-vehicle tires, is also provided.Type: ApplicationFiled: March 13, 2003Publication date: September 25, 2003Inventors: Laure Belin, Christiane Blanchard, Salvatore Pagano, Christel Thonier