Patents by Inventor Luisa Fernanda Munoz Mejia
Luisa Fernanda Munoz Mejia 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: 20240109369Abstract: A tire having a tread comprising a tread rubber composition comprising from 10 phr to 100 phr of styrene butadiene rubber comprising monomers selected from one or more of recycled and bio-based monomers, from 0 phr to 90 phr of elastomers selected from one or more of natural rubber, polybutadiene rubber comprising monomers selected from one or more of recycled and bio-based monomers, and synthetic polyisoprene comprising monomers selected from one or more of recycled and bio-based monomers, and from 40 phr to 250 phr of a filler comprising one or more of recycled or bio-based silica, and recycled or bio-based carbon black, from 1 phr to 90 phr of hydrocarbon resin which is one or more of i) based on recycled monomers, bio-based monomers or a combination thereof, and ii) a plant resin.Type: ApplicationFiled: September 19, 2022Publication date: April 4, 2024Inventors: Marine Sophie Francoise Wassen, Jean-Noel Marsat, Karmena Izabela Anyfantaki, Luisa Fernanda Munoz Mejia, Bartosz Zielinski, Robert Vincent Dennis-Pelcher, Justin Yinket Che
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Publication number: 20230303809Abstract: The present invention is directed to a rubber composition comprising 35 phr to 60 phr of a first polybutadiene rubber having a glass transition temperature within a range of ?80° C. to ?105° C., 5 phr to 30 phr of a second polybutadiene rubber having a glass transition temperature within a range of ?20° C. to ?40° C., 10 phr to 60 phr of polyisoprene selected from one or more of synthetic polyisoprene and natural rubber, 30 phr to 200 phr of at least one filler, and 40 phr to 120 phr of at least one plasticizer having a glass transition temperature within a range of ?40° C. to ?110° C. Furthermore, the present invention is directed to a tire comprising the rubber composition.Type: ApplicationFiled: December 14, 2022Publication date: September 28, 2023Inventors: Luisa Fernanda Munoz MEJIA, Claude Charles Jacoby, Karmena Izabela Anyfantaki, Evangelia Konstantaki, Veronique Marie-Josee Herbeuval
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Patent number: 10947368Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 20 to about 60 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 45 to about 80 phr of a polybutadiene having a cis 1,4 content greater than 95 percent and a Tg ranging from ?80 to ?110° C.; and (C) from 0 to 20 phr of a process oil; (D) from 55 to 80 phr of a resin selected from the group consisting of C5/C9 resins and DCPD/C9 resins, the resin having a Tg greater than 30° C.; and (E) from 110 to 160 phr of silica.Type: GrantFiled: March 4, 2019Date of Patent: March 16, 2021Assignee: The Goodyear Tire & Rubber CompanyInventors: Nihat Ali Isitman, Claude Charles Jacoby, Manuela Pompei, Luisa Fernanda Munoz Mejia, Carlo Kanz, Marc Weydert
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Patent number: 10821777Abstract: This invention relates to a tire with a tread of a rubber composition for promoting a combination of beneficial wet traction and reduced rolling resistance, while limiting any loss of winter traction at low temperatures. The tread rubber composition contains a combination of high and lower glass transition temperature (Tg) elastomers. Its reinforcing filler is primarily precipitated silica. The high Tg elastomer is comprised of synthetic high vinyl polybutadiene rubber and the lower Tg elastomer is comprised of at least one of natural and synthetic cis 1,4-polyisoprene rubber. The tread rubber composition may contain at least one of vegetable oil based rubber processing aid and traction promoting resin. The tread rubber composition is intended to be exclusive of styrene-containing elastomers.Type: GrantFiled: December 19, 2017Date of Patent: November 3, 2020Assignee: The Goodyear Tire & Rubber CompanyInventors: Nihat Ali Isitman, Paul Harry Sandstrom, Luisa Fernanda Munoz Mejia
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Publication number: 20200283602Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 20 to about 60 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 45 to about 80 phr of a polybutadiene having a cis 1,4 content greater than 95 percent and a Tg ranging from ?80 to ?110° C.; and (C) from 0 to 20 phr of a process oil; (D) from 55 to 80 phr of a resin selected from the group consisting of C5/C9 resins and DCPD/C9 resins, the resin having a Tg greater than 30° C.; and (E) from 110 to 160 phr of silica.Type: ApplicationFiled: March 4, 2019Publication date: September 10, 2020Inventors: Nihat Ali Isitman, Claude Charles Jacoby, Manuela Pompei, Luisa Fernanda Munoz Mejia, Carlo Kanz, Marc Weydert
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Patent number: 10654995Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 30 to 80 phr of a styrene-butadiene rubber having a Tg ranging from ?70 C to ?40 C, from 10 to 50 phr of a high vinyl polybutadiene having a Tg ranging from ?40 C to ?5 C and has an isomeric vinyl 1,2 content in a range of from 50 to 90 percent by weight, and from 10 to 30 phr of a natural rubber or synthetic polyisoprene, silica, a blocked mercaptosilane, a traction resin, and liquid plasticizer selected from the group consisting of a low molecular weight polybutadiene functionalized with a hydroxyl functional group and sunflower oil.Type: GrantFiled: August 27, 2018Date of Patent: May 19, 2020Assignee: The Goodyear Tire & Rubber CompanyInventors: Luisa Fernanda Munoz Mejia, Christian Jean-Marie Kaes, Bodo Ahrens, William Alain Talbot, Eric Engeldinger, Manuela Pompei, Philippe Schmit, Jérôme Joel Daniel Delville
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Patent number: 10618352Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising a diene elastomer, a pre-hydrophobated precipitated silica, a blocked mercaptosilane, a terpene-phenol resin, and a low molecular weight polybutadiene functionalized with a hydroxyl functional group, wherein the pre-hydrophobated precipitated silica is hydrophobated prior to its addition the rubber composition by treatment with at least one silane selected from the group consisting of alkylsilanes, alkoxysilanes, organoalkoxysilyl polysulfides and organomercaptoalkoxysilanes and optionally at least one dispersing aid selected from the group consisting of fatty acids, diethylene glycols, polyethylene glycols, fatty acid esters of hydrogenated or non-hydrogenated C5 or C6 sugars, polyoxyethylene derivatives of fatty acid esters of hydrogenated or non-hydrogenated C5 or C6 sugars.Type: GrantFiled: August 27, 2018Date of Patent: April 14, 2020Assignee: The Goodyear Tire & Rubber CompanyInventors: Antonia Felicitas Broemmel, Julia Martine Francoise Claudine Tahon, Philippe Schmit, Nihat Ali Isitman, Luisa Fernanda Munoz Mejia, Christian Jean-Marie Kaes
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Publication number: 20200062034Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising a diene elastomer, a pre-hydrophobated precipitated silica, a blocked mercaptosilane, a terpene-phenol resin, and a low molecular weight polybutadiene functionalized with a hydroxyl functional group, wherein the pre-hydrophobated precipitated silica is hydrophobated prior to its addition the rubber composition by treatment with at least one silane selected from the group consisting of alkylsilanes, alkoxysilanes, organoalkoxysilyl polysulfides and organomercaptoalkoxysilanes and optionally at least one dispersing aid selected from the group consisting of fatty acids, diethylene glycols, polyethylene glycols, fatty acid esters of hydrogenated or non-hydrogenated C5 or C6 sugars, polyoxyethylene derivatives of fatty acid esters of hydrogenated or non-hydrogenated C5 or C6 sugars.Type: ApplicationFiled: August 27, 2018Publication date: February 27, 2020Inventors: Antonia Felicitas BROEMMEL, Julia Martine Francoise Claudine TAHON, Philippe SCHMIT, Nihat Ali ISITMAN, Luisa Fernanda Munoz MEJIA, Christian Jean-Marie KAES
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Patent number: 10336889Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), 100 phr of a diene based elastomer having a glass transition temperature less than ?50° C.; from 30 to 65 phr of a fatty acid monoester of formula 1 where R1 is selected from C1 to C8 linear or branched alkyl, C1 to C8 linear or branched alkenyl, and C2 to C6 linear or branched alkyl substituted with from one to five hydroxyl groups; R2 is C11 to C21 alkyl or C11 to C21 alkenyl; less than 10 phr of a petroleum-derived oil; and from 50 to 130 phr of silica.Type: GrantFiled: June 1, 2016Date of Patent: July 2, 2019Assignee: The Goodyear Tire & Rubber CompanyInventors: Nihat Ali Isitman, Luisa Fernanda Munoz Mejia, Claude Charles Jacoby
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Publication number: 20190184744Abstract: This invention relates to a tire with a tread of a rubber composition for promoting a combination of beneficial wet traction and reduced rolling resistance, while limiting any loss of winter traction at low temperatures. The tread rubber composition contains a combination of high and lower glass transition temperature (Tg) elastomers. Its reinforcing filler is primarily precipitated silica. The high Tg elastomer is comprised of synthetic high vinyl polybutadiene rubber and the lower Tg elastomer is comprised of at least one of natural and synthetic cis 1,4-polyisoprene rubber. The tread rubber composition may contain at least one of vegetable oil based rubber processing aid and traction promoting resin. The tread rubber composition is intended to be exclusive of styrene-containing elastomers.Type: ApplicationFiled: December 19, 2017Publication date: June 20, 2019Inventors: Nihat Ali Isitman, Paul Harry Sandstrom, Luisa Fernanda Munoz Mejia
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Publication number: 20190062537Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 30 to 80 phr of a styrene-butadiene rubber having a Tg ranging from ?70 C to ?40 C, from 10 to 50 phr of a high vinyl polybutadiene having a Tg ranging from ?40 C to ?5 C and has an isomeric vinyl 1,2 content in a range of from 50 to 90 percent by weight, and from 10 to 30 phr of a natural rubber or synthetic polyisoprene, silica, a blocked mercaptosilane, a traction resin, and liquid plasticizer selected from the group consisting of a low molecular weight polybutadiene functionalized with a hydroxyl functional group and sunflower oil.Type: ApplicationFiled: August 27, 2018Publication date: February 28, 2019Inventors: Luisa Fernanda Munoz MEJIA, Christian Jean-Marie KAES, Bodo AHRENS, William Alain TALBOT, Eric ENGELDINGER, Manuela POMPEI, Philippe SCHMIT, Jérôme Joel Daniel DELVILLE
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Publication number: 20170349733Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), 100 phr of a diene based elastomer having a glass transition temperature less than ?50° C.; from 30 to 65 phr of a fatty acid monoester of formula 1 where R1 is selected from C1 to C8 linear or branched alkyl, C1 to C8 linear or branched alkenyl, and C2 to C6 linear or branched alkyl substituted with from one to five hydroxyl groups; R2 is C11 to C21 alkyl or C11 to C21 alkenyl; less than 10 phr of a petroleum-derived oil; and from 50 to 130 phr of silica.Type: ApplicationFiled: June 1, 2016Publication date: December 7, 2017Inventors: Nihat Ali ISITMAN, Luisa Fernanda Munoz MEJIA, Claude Charles JACOBY
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Patent number: 9757987Abstract: The present invention is directed to a pneumatic tire having a tread comprising a radially outer cap layer and radially inner cap layer underlying the outer cap layer; the outer cap layer comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), from about 50 to about 90 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?65° C. to ?55° C. and functionalized with an alkoxysilane group and at least one functional group selected from the group consisting of primary amines and thiols; from about 50 to about 10 phr of polybutadiene having a cis 1,4 content greater than 95 percent and a Tg ranging from ?80 to ?110° C.; from 30 to 80 phr of a combination of a resin having a Tg of at least 30° C.Type: GrantFiled: December 9, 2014Date of Patent: September 12, 2017Assignee: The Goodyear Tire & Rubber CompanyInventors: Claude Charles Jacoby, Luisa Fernanda Munoz Mejia, Nihat Ali Isitman
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Publication number: 20160159157Abstract: The present invention is directed to a pneumatic tire having a tread comprising a radially outer cap layer and radially inner cap layer underlying the outer cap layer; the outer cap layer comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), from about 50 to about 90 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?65° C. to ?55° C. and functionalized with an alkoxysilane group and at least one functional group selected from the group consisting of primary amines and thiols; from about 50 to about 10 phr of polybutadiene having a cis 1,4 content greater than 95 percent and a Tg ranging from ?80 to ?110° C.; from 30 to 80 phr of a combination of a resin having a Tg of at least 30° C.Type: ApplicationFiled: December 9, 2014Publication date: June 9, 2016Inventors: Claude Charles Jacoby, Luisa Fernanda Munoz Mejia, Nihat Ali Isitman
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Patent number: 9096100Abstract: A pneumatic tire has a pair of sidewalls overlying a carcass connecting a pair of bead components and a rubber chafer adjacent to each sidewall, the chafer including 100 parts by weight of elastomer; 20 to 60 phr of a low surface area carbon black having an Iodine absorption value of from about 10 to about 50 g/kg; 20 to 60 phr of a high surface area carbon black having an Iodine absoption value of from about 100 to about 300 g/kg, each sidewall including 100 phr of the same elastomer used in the chafers; 20 to 60 phr of the same low surface area carbon black used in the chafers; 10 to 20 phr of the same high surface area carbon black used in the chafers, the weight ratio of high surface area carbon black in the chafers to high surface area carbon black in the sidewalls being greater than 1.Type: GrantFiled: November 12, 2012Date of Patent: August 4, 2015Assignee: The Goodyear Tire & Rubber CompanyInventors: Luisa Fernanda Munoz Mejia, Manfred Josef Jung, Carlo Kanz
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Patent number: 8813802Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition, the rubber composition comprising: at least one diene based elastomer; and from 1 to 30 parts by weight, per 100 parts by weight of elastomer (phr), of a particulate composite comprising ultra high molecular weight polyethylene, an inorganic filler, and a network of interconnecting pores communicating throughout the particulate composite, the pores constituting at least 35 percent by volume of the particulate composite.Type: GrantFiled: November 13, 2013Date of Patent: August 26, 2014Assignee: The Goodyear Tire & Rubber CompanyInventors: Isabelle Lea Louise Marie Lambert, Nihat Ali Isitman, Luisa Fernanda Munoz Mejia
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Publication number: 20140130954Abstract: The present invention relates to a pneumatic tire having a pair of spaced apart bead components, a connecting carcass between the bead components, a pair of sidewalls overlying the carcass, and a rubber chafer adjacent to each of the sidewalls and positioned around at least a portion of each of the bead components and intended for contacting a rigid rim of a wheel, wherein the chafers comprise 100 parts by weight of elastomer; 20 to 60 phr of a low surface area carbon black having an Iodine absorption value in a range of from about 10 to about 50 as measured by ASTM D1510; 20 to 60 phr of a high surface area carbon black having an Iodine absorption value in a range of from about 100 to about 300 g/kg as measured by ASTM D1510; wherein the sidewalls comprise 100 phr of the same elastomer used in the chafers; 20 to 60 phr of the same low surface area carbon black used in the chafers; 10 to 20 phr of the same high surface area carbon black used in the chafers; wherein the weight ratio of high surface area carbonType: ApplicationFiled: November 12, 2012Publication date: May 15, 2014Inventors: Luisa Fernanda Munoz Mejia, Manfred Josef Jung, Carlo Kanz