Patents by Inventor Salvatore Cotugno
Salvatore Cotugno 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: 9908998Abstract: Use, as an anti-aging agent in polymer compounds, stilbene family compound of general formula (I): wherein the substitutes are selected from the following five combinations: a) R1, R3 and R5 are OH; R2, R4 and R6 are H; b) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are H; c) R1 and R4 are OH; R2 and R5 are OC(CH3)3; R3 and R6 are H; d) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are C(CH3)3; e) R1 and R4 are OC(CH3)3; R2 and R5 are OH; R3 and R6 are H.Type: GrantFiled: October 29, 2014Date of Patent: March 6, 2018Assignee: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Ludovica Caliano, John House, Giovanna Mancini, Alessandro Mauceri, Luisa Giansanti
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Patent number: 9546264Abstract: A compound for a tyre textile body ply skim. The compound has a cross-linkable, unsaturated-chain polymer base, a reinforcing filler composite, and a curing system having at least a curing agent and accelerants. The compound has 0.1 to 20 phr of a lignin derivative, 20 to 50 phr of a first carbon black with a surface area of 90 to 150 m2/g, and 5 to 20 phr of a second carbon black with a surface area of 10 to 40 m2/g.Type: GrantFiled: February 8, 2014Date of Patent: January 17, 2017Assignee: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Ludovica Caliano
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Publication number: 20160251502Abstract: Use, as an anti-aging agent in polymer compounds, stilbene family compound of general formula (I): wherein the substitutes are selected from the following five combinations: a) R1, R3 and R5 are OH; R2, R4 and R6 are H; b) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are H; c) R1 and R4 are OH; R2 and R5 are OC(CH3)3; R3 and R6 are H; d) R1 and R4 are OCH3; R2 and R5 are OH; R3 and R6 are C(CH3)3; e) R1 and R4 are OC(CH3)3; R2 and R5 are OH; R3 and R6 are H.Type: ApplicationFiled: October 29, 2014Publication date: September 1, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore COTUGNO, Ludovica CALIANO, John HOUSE, Giovanna MANCINI, Alessandro MAUCERI, Luisa GIANSANTI
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Publication number: 20160221287Abstract: A method of joining two rubber tyre portions, the method including applying a water-based adhesive compound to at least one surface of one of the two portions; and joining the two rubber portions. The water-based adhesive compound has water as a solvent, a cross-linkable, unsaturated-chain polymer base, and an emulsifier with a CMC value of 0.1 to 12 mmol/L, and an HLB value of 1 to 45.Type: ApplicationFiled: September 3, 2014Publication date: August 4, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore COTUGNO, Francesco DE LUCA, Ludovica CALIANO
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Patent number: 9399685Abstract: A method of curing a compound having a cross-linkable, unsaturated-chain polymer base and a curing system; the method employing microwaves as a form of energy to promote curing reactions; and the curing system including compounds of general formula (I) ([R1R2R3NR5(NR4R6R7)n](n+1)+)y(n+1)Xy? (I) where: X is an atom or anionic group; R1, R2, R3, which are the same or different, are each CmH2m+1, where m is 1 to 3, or CH2CHCH2 or CHCHCH3, R4, R6, R7, which are the same or different, are each CH2CHCH2 or CHCHCH3; n is 0 or 1; y is 1 when n is 1; y is 1 or 2 when n is 0; R5 is an aliphatic group C15-C22 when n is 0; is an aliphatic group C8-C16 when n is 1; when n is 0, at least one of R1, R2, R3, R5 has a double bond.Type: GrantFiled: June 15, 2012Date of Patent: July 26, 2016Assignee: BRIDGESTONE CORPORATIONInventors: Valeria Grenci, Salvatore Cotugno
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Publication number: 20160009906Abstract: A compound for a tyre textile body ply skim. The compound has a cross-linkable, unsaturated-chain polymer base, a reinforcing filler composite, and a curing system having at least a curing agent and accelerants. The compound has 0.1 to 20 phr of a lignin derivative, 20 to 50 phr of a first carbon black with a surface area of 90 to 150 m2/g, and 5 to 20 phr of a second carbon black with a surface area of 10 to 40 m2/g.Type: ApplicationFiled: February 8, 2014Publication date: January 14, 2016Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore COTUGNO, Ludovica CALIANO
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Publication number: 20150322299Abstract: A water-based adhesive compound having water as a solvent; a cross-linkable, unsaturated-chain polymer base; an emulsifier of general formula (I), and an alkylphenol-formaldehyde resin; R1CONR2CHR3COOX (I) where: R1 is an aliphatic group C6-C23 R2 is H or an aliphatic group C1-C8 R3 is H or an aliphatic or aromatic group C1-C8 and X is a metal cation.Type: ApplicationFiled: November 29, 2013Publication date: November 12, 2015Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore COTUGNO, Francesco DE LUCA
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Patent number: 9044911Abstract: A method of producing colored tire portions, the method including: a step of forming a highly impermeable barrier layer; and a step of depositing a dye or colored layer on the barrier layer. The step of forming the barrier layer includes, in sequence, the operations of (a) depositing an aqueous dispersion on the part of the tire for coloring; (b) separating said aqueous dispersion into an aqueous phase and a solid phase; and (c) removing the aqueous phase.Type: GrantFiled: June 8, 2012Date of Patent: June 2, 2015Assignee: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Paolo Fiorenza
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Publication number: 20140363680Abstract: A tyre having at least one coloured portion having: —a highly impermeable barrier layer; and—a polyurethane paint on the barrier layer. The highly impermeable barrier layer is made by depositing on the part of the tyre to be coloured an aqueous dispersion which is eventually dried.Type: ApplicationFiled: December 24, 2012Publication date: December 11, 2014Applicant: BRIDGESTONE CORPORATIONInventors: Giovanni Alessandro Pertusio, Matteo Simone Almi, Salvatore Cotugno, Paolo Fiorenza, Martina Gruarin, Piero Pavoni
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Publication number: 20140206824Abstract: A method of curing a compound having a cross-linkable, unsaturated-chain polymer base and a curing system; the method employing microwaves as a form of energy to promote curing reactions; and the curing system including compounds of general formula (I) ([R1R2R3NR5 (NR4R6R7)n](n+1)+) y(n+1)Xy? (I) where: X is an atom or anionic group; R1, R2, R3, which are the same or different, are each CmH2m+1, where m is 1 to 3, or CH2CHCH2 or CHCHCH3, R4, R6, R7, which are the same or different, are each CH2CHCH2 or CHCHCH3; n is 0 or 1; y is 1 when n is 1; y is 1 or 2 when n is 0; R5 is an aliphatic group C15-C22 when n is 0; is an aliphatic group C8-C16 when n is 1; when n is 0, at least one of R1, R2, R3, R5 has a double bond.Type: ApplicationFiled: June 15, 2012Publication date: July 24, 2014Applicant: BRIDGESTONE CORPORATIONInventors: Valeria Grenci, Salvatore Cotugno
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Patent number: 8748663Abstract: Use of compounds of molecular formula (I) as curing activators of mixes having a cross-linkable unsaturated-chain polymer base: ([R1R2R3NR5(NR4R6R7)n](n+1)+)y(n+1)Xy? (I); where: X is an anionic atom or group; R1, R2 and R3, which may be the same or different, are each CmH2m+1, where m ranges between 1 and 3, or CH2CHCH2 or CHCHCH3; R4, R6 and R7, which may be the same or different, are each CH2CHCH2 or CHCHCH3; n is 0 or 1; y is 1 when n is 1; y is 1 or 2 when n is 0; R5 is an aliphatic group C15-C22 when n is 0; and is an aliphatic group C8-C16 when n is 1; when n is 0, at least one of R1, R2, R3 and R5 comprises a double bond.Type: GrantFiled: October 7, 2010Date of Patent: June 10, 2014Assignee: Bridgestone CorporationInventors: Salvatore Cotugno, Paolo Straffi, Barbara Secchi
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Publication number: 20140102620Abstract: A method of producing coloured tyre portions, the method including: a step of forming a highly impermeable barrier layer; and a step of depositing a dye or coloured layer on the barrier layer. The step of forming the barrier layer includes, in sequence, the operations of (a) depositing an aqueous dispersion on the part of the tyre for colouring; (b) separating said aqueous dispersion into an aqueous phase and a solid phase; and (c) removing the aqueous phase.Type: ApplicationFiled: June 8, 2012Publication date: April 17, 2014Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Paolo Fiorenza
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Publication number: 20130296482Abstract: A method of producing rubber mixes, including a step of mixing a reinforcing filler, having a surface area of over 220 m2/g and a particle size of less than 0.1 ?m, with a cross-linkable, unsaturated-chain polymer base. The mixing step is performed in the aqueous phase, in the presence of a surface-active agent of molecular formula (I) (R1CONR2CHR3COO?)nXn+ (I) where: R1 is an aliphatic group C4-C20 R2 is H or an aliphatic group C1-C8 R3 is H or an aliphatic or aromatic group C1-C8 X is a metal cation n is an integer of 1 to 3.Type: ApplicationFiled: December 1, 2011Publication date: November 7, 2013Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Enrico Carone
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Publication number: 20130273282Abstract: The invention related to a method of colouring portions of a tyre and to a tyre obtained by said method. The method includes: forming a highly impermeable protective layer by depositing an aqueous emulsion on a part of the tyre to be coloured; and depositing a coloured layer on the protective layer. The aqueous emulsion has at least a cross-linkable polymer base, and a surfactant of molecular formula (I): (R1CONR2CHR3COO?)nXn+ where R1 is an aliphatic group C6-C23, R2 is H or an aliphatic group C1-C8, R3 is H or an aliphatic or aromatic group C1-C8, X is a metal cation, preferably an alkaline cation, and n is an integer of 1 to 3.Type: ApplicationFiled: October 20, 2011Publication date: October 17, 2013Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Matteo Simone Almi, Martina Gruarin, Giovanni Alessandro Pertusio
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Patent number: 8557900Abstract: A water-based cement for producing tires, having water as solvent, cross-linkable unsaturated-chain polymer base, of sulphur, reinforcing filler, zinc oxide, accelerators, and an emulsifier of the general formula (I) [R1R2R3NR5(N(R4)3)n](n+1)+(n+1)X???(I) where: X is an anionic atom or group R1, R2 and R3, which may be the same or different, are each CmH2m+1, where m ranges between 1 and 3, or CH2CHCH2 or CHCHCH3 R4 is CH2CHCH2 or CHCHCH3 n is 0 or 1 R5 is an aliphatic group C15-C22 when n is 0; and is an aliphatic group C8-C16 when n is 1 when n is 0, at least one of R1, R2, R3 and R5 has a double bond.Type: GrantFiled: October 29, 2009Date of Patent: October 15, 2013Assignee: Bridgestone CorporationInventors: Veronica Cantonetti, Salvatore Cotugno
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Patent number: 8367758Abstract: A water-based cement for producing tyres includes 5 to 80% by weight of water, 10 to 60% by weight of a cross-linkable unsaturated-chain polymer base, 1 to 15% by weight of emulsifiers, and a quantity of metal oxide depending on the desired degree of adhesion.Type: GrantFiled: April 11, 2008Date of Patent: February 5, 2013Assignee: Bridgestone CorporationInventors: Veronica Cantonetti, Salvatore Cotugno
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Publication number: 20130012649Abstract: A method of producing impermeable rubber layers, the method including:—a step of preparing a water-based emulsion having at least a cross-linkable polymer base, and a surface-active agent of molecular formula (I) (R1CONR2CHR3COO?)n Xn+ where: R1 is an aliphatic group C6-C23, R2 is H or an aliphatic group C1-C8, R3 is H or an aliphatic or aromatic group C1-C8, X is a metal cation, preferably an alkaline cation, and n is an integer of 1 to 3; and—a step of depositing the water-based emulsion on a surface.Type: ApplicationFiled: September 14, 2012Publication date: January 10, 2013Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore COTUGNO, Paolo STRAFFI
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Publication number: 20120298273Abstract: A method of producing impermeable rubber layers, the method including:—a step of preparing a water-based emulsion having at least a cross-linkable polymer base, and a surface-active agent of molecular formula (I) (R1CONR2CHR3—COO?)nXn+ where: R1 is an aliphatic group C6-C23, R2 is H or an aliphatic group C1-C8, R3 is H or an aliphatic or aromatic group C1-C8, X is a metal cation, preferably an alkaline cation, and n is an integer of 1 to 3; and—a step of depositing the water-based emulsion on a surface.Type: ApplicationFiled: December 9, 2010Publication date: November 29, 2012Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Paolo Straffi
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Publication number: 20120301687Abstract: A method of producing coloured portions on a tyre, the method including the steps of: producing a highly impermeable protective layer by depositing a water-based emulsion on a tyre part to be coloured; and applying a water-based paint to the protective layer. The water-based emulsion has at least a cross- linkable polymer base, and a surface-active agent of molecular formula (I) (R1CONR2CHR3COO?)n Xn+(I) where: R1 is an aliphatic group C6-C23, R2 is H or an aliphatic group C1-C8, R3 is H or an aliphatic or aromatic group C1-C8, X is a metal cation, preferably an alkaline cation, and n is an integer of 1 to 3.Type: ApplicationFiled: December 9, 2010Publication date: November 29, 2012Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Jose Antonio Silicani, Paolo Straffi
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Publication number: 20120259140Abstract: Use of compounds of molecular formula (I) as curing activators of mixes having a cross-linkable unsaturated-chain polymer base: ([R1R2R3NR5(NR4R6R7)n](n+1)+)y (n+1)Xy? (I); where: X is an anionic atom or group; R1, R2 and R3, which may be the same or different, are each CmH2m+1, where m ranges between 1 and 3, or CH2CHCH2 or CHCHCH3; R4, R6 and R7, which may be the same or different, are each CH2CHCH2 or CHCHCH3; n is 0 or 1; y is 1 when n is 1; y is 1 or 2 when n is 0; R5 is an aliphatic group C15-C22 when n is 0; and is an aliphatic group C8-C16 when n is 1; when n is 0, at least one of R1, R2, R3 and R5 comprises a double bond.Type: ApplicationFiled: October 7, 2010Publication date: October 11, 2012Applicant: BRIDGESTONE CORPORATIONInventors: Salvatore Cotugno, Paolo Straffi, Barbara Secchi