Patents by Inventor Catarina Sá
Catarina Sá 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: 20230399488Abstract: The present invention relates to a sulfur-crosslinkable rubber composition comprising a filler component in an amount in the range of 1 to 350 phr, and at least one graft copolymer having a modified diene rubber backbone and one or more oligomeric side chains grafted to the modified diene rubber backbone, wherein the oligomeric side chains are obtained through reversible addition fragmentation chain transfer polymerization of a monomer composition, and wherein the monomer composition comprises at least one polar monomer.Type: ApplicationFiled: October 19, 2021Publication date: December 14, 2023Applicant: Continental Reifen Deutschland GmbHInventors: Catarina Sà, Carla Recker
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Publication number: 20220411613Abstract: The invention relates to a sulfur-crosslinkable rubber mixture and to a pneumatic vehicle tire comprising at least one rubber component made of the sulfur-vulcanized rubber mixture. The rubber mixture contains 10-60 phr (parts by weight, based on 100 parts by weight of the total rubbers in the mixture) of at least one functionalized polybutadiene A, wherein the functionalized polybutadiene A is functionalized at one chain end with an organosilyl group containing amino groups and/or ammonium groups, and wherein the functionalized polybutadiene A is functionalized at the other chain end with an amino group, up to 90 phr of at least one further diene rubber and 30-350 phr of at least one filler.Type: ApplicationFiled: October 27, 2020Publication date: December 29, 2022Applicant: Continental Reifen Deutschland GmbHInventors: Christoph Eichhorst, Marion Puppa, Catarina Sà, Dieter Jeromin, Viktoria Pavon Sierra, Pedro-Nuno Rodrigues, Jakob Hey
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Patent number: 11365309Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups.Type: GrantFiled: July 17, 2017Date of Patent: June 21, 2022Assignee: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20220145049Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups.Type: ApplicationFiled: January 25, 2022Publication date: May 12, 2022Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Patent number: 11325988Abstract: A sulfur-crosslinkable rubber mixture comprising at least the following constituents: at least one diene rubber and at least one liquid, linear modified diene polymer A, modified with a functional group of formula I) at only one chain end, the number of functional groups per molecule being on average from 0.8 to 1 (R1R2R3)Si—X—NH—C(?O)—O—,??I) where R1, R2 and R3 independently of one another are selected from methoxy groups, ethoxy groups, phenoxy groups, methyl groups, ethyl groups and phenyl groups, with in each case at least one of the groups R1, R2 and R3 being a methoxy group, an ethoxy group or a phenoxy group, and where X is a divalent alkyl group having 1 to 6 carbon atoms.Type: GrantFiled: October 16, 2018Date of Patent: May 10, 2022Assignee: Continental Reifen Deutschland GmbHInventors: Catarina Sa, Gesa Tarantola, Viktoria Pavon Sierra, Armand Gabriel Becheanu-Boeke
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Patent number: 11292895Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups.Type: GrantFiled: July 17, 2017Date of Patent: April 5, 2022Assignee: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Patent number: 11261312Abstract: The invention relates to a sulfur-crosslinkable rubber mixture comprising a rubber blend composed of at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups, 30 to 300 phr of at least one silica and 1 to 20 phf of at least one substance of formula I) as silane coupling agent (R1R2R3)Si—S4—Si(R3R2R1)??II) where R1, R2, R3 in the structure may be the same or different and may be selected from linear or branched alkoxy, cycloalkoxy, alkyl, cycloalkyl or aryl groups having 1 to 20 carbon atoms.Type: GrantFiled: August 14, 2017Date of Patent: March 1, 2022Assignee: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20210363333Abstract: The invention relates to a sulfur-crosslinkable rubber mixture comprising a rubber blend composed of at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups, and a vulcanization system comprising at least one accelerator and elemental sulfur and/or at least one sulfur donor substance, where the molar ratio of accelerated sulfur is 0.18 to 5, where the total molar amount of sulfur consists of elemental sulfur and the sulfur released by the sulfur donor substances.Type: ApplicationFiled: August 14, 2017Publication date: November 25, 2021Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20210355302Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups.Type: ApplicationFiled: July 17, 2017Publication date: November 18, 2021Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20210332223Abstract: The invention relates to a sulfur-crosslinkable rubber mixture comprising a rubber blend composed of at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups, 30 to 300 phr of at least one silica and 1 to 20 phf of at least one blocked and/or unblocked mercaptosilane as silane coupling agent.Type: ApplicationFiled: August 14, 2017Publication date: October 28, 2021Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20210324181Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups.Type: ApplicationFiled: July 17, 2017Publication date: October 21, 2021Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20210284826Abstract: The invention relates to a sulfur-crosslinkable rubber mixture comprising a rubber blend composed of at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups, 30 to 300 phr of at least one silica and 1 to 150 phr of at least one hydrocarbon resin having a softening point to ASTM E 28 (ring and ball) of 10 to 180° C.Type: ApplicationFiled: August 14, 2017Publication date: September 16, 2021Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20210277210Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups.Type: ApplicationFiled: July 17, 2017Publication date: September 9, 2021Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Patent number: 11015041Abstract: The invention relates to a sulfur-crosslinkable rubber mixture comprising a rubber blend composed of at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups, and as filler at least one silica and/or at least one carbon black in an amount of 25 to 300 phr, wherein the ratio of carbon black to silica in the mixture is 100:0 to 3:97.Type: GrantFiled: August 14, 2017Date of Patent: May 25, 2021Assignee: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Patent number: 11008446Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups and wherein the rubber blend includes 35 to 100 phr (based on the at least one solution-polymerized diene polymer A of high molecular weight), preferably 35 to 70 phr, of the at least one solution-polymerized polymer B of low molecular weight.Type: GrantFiled: July 17, 2017Date of Patent: May 18, 2021Assignee: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20200377623Abstract: A sulfur-crosslinkable rubber mixture comprising at least the following constituents: at least one diene rubber and at least one liquid, linear modified diene polymer A, modified with a functional group of formula I) at only one chain end, the number of functional groups per molecule being on average from 0.8 to 1 (R1R2R3)Si—X—NH—C(?O)—O—,??I) where R1, R2 and R3 independently of one another are selected from methoxy groups, ethoxy groups, phenoxy groups, methyl groups, ethyl groups and phenyl groups, with in each case at least one of the groups R1, R2 and R3 being a methoxy group, an ethoxy group or a phenoxy group, and where X is a divalent alkyl group having 1 to 6 carbon atoms.Type: ApplicationFiled: October 16, 2018Publication date: December 3, 2020Applicant: Continental Reifen Deutschland GmbHInventors: Catarina Sa, Gesa Tarantola, Viktoria Pavon Sierra, Armand Gabriel Becheanu-Boeke
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Patent number: 10738179Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, especially for the sidewall of pneumatic vehicle tires, and to a pneumatic vehicle tire whose sidewall consists at least partly of the sulfur-crosslinked rubber mixture. For reduced hysteresis, hence leading to low rolling resistance when used as a sidewall mixture, the rubber mixture comprises 20 to 80 phr of natural rubber and/or synthetic polyisoprene, 20 to 80 phr of at least one polybutadiene functionalized for attachment to silica and 20 to 50 phr of at least one silica with a CTAB surface area (to ASTM D 3765) of 50 to 130 m2/g and a nitrogen surface area (BET surface area) (to DIN ISO 9277 and DIN 66132) of 60 to 140 m2/g.Type: GrantFiled: October 17, 2016Date of Patent: August 11, 2020Assignee: Continental Reifen Deutschland GmbHInventors: Vipin Rajan, Martin Francke, Marion Schellenberg, Catarina Sa
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Publication number: 20190194428Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, containing: a rubber blend of at least one high-molecular-weight, solution-polymerized diene polymer A and at least one low-molecular-weight, solution-polymerized polymer B, wherein at least one of the polymers A or B is functionalized at the chain end and/or along the polymer chain and/or in a coupling center with at least one group selected from epoxy groups, hydroxy groups, carboxy groups, silane-sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups, and from alkoxysilyl groups containing amino groups, and as a filler, at least one silicic acid and/or at least one carbon black in an amount of 25 to 300 phr, wherein the ratio of carbon black to silicic acid in the mixture is 100:0 to 3:97.Type: ApplicationFiled: August 14, 2017Publication date: June 27, 2019Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20190185646Abstract: The invention relates to a rubber blend, to a sulfur-crosslinkable rubber mixture comprising the rubber blend and to a vehicle tire comprising such a rubber mixture. The rubber blend comprises at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups and wherein the rubber blend includes 35 to 100 phr (based on the at least one solution-polymerized diene polymer A of high molecular weight), preferably 35 to 70 phr, of the at least one solution-polymerized polymer B of low molecular weight.Type: ApplicationFiled: July 17, 2017Publication date: June 20, 2019Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke
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Publication number: 20190169407Abstract: The invention relates to a sulfur-crosslinkable rubber mixture comprising a rubber blend composed of at least one solution-polymerized diene polymer A of high molecular weight and at least one solution-polymerized polymer B of low molecular weight, wherein at least one of polymers A and B has been functionalized at the chain end and/or along the polymer chain and/or at a coupling site with at least one group selected from epoxy groups, hydroxyl groups, carboxyl groups, silane sulfide groups, amino groups, siloxane groups, organosilicon groups, phthalocyanine groups and amino group-containing alkoxysilyl groups, 30 to 300 phr of at least one silica and 1 to 20 phf of at least one substance of formula I) as silane coupling agent (R1R2R3)Si—S4—Si(R3R2R1)??II) where R1, R2, R3 in the structure may be the same or different and may be selected from linear or branched alkoxy, cycloalkoxy, alkyl, cycloalkyl or aryl groups having 1 to 20 carbon atoms.Type: ApplicationFiled: August 14, 2017Publication date: June 6, 2019Applicant: Continental Reifen Deutschland GmbHInventors: Carla Recker, Catarina Sa, Kathrin Wehming-Bomkamp, Viktoria Pavon Sierra, Norbert Mueller, Michael Radke