Patents by Inventor David-Raphael Dauer

David-Raphael Dauer 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).

  • Publication number: 20240368086
    Abstract: A compound, a rubber mixture containing the compound, a vehicle tire comprising the rubber mixture in at least one component, a process for producing the compound and the use of the compound as an aging stabilizer and/or antiozonant and/or dye, in which, the compound has the formula (I), wherein R1 is selected from the group consisting of benzyl radicals, 1-phenylalkyl radicals having altogether 7 to 18 carbon atoms and linear, branched and cyclic aliphatic C3- to C12-radicals.
    Type: Application
    Filed: June 14, 2022
    Publication date: November 7, 2024
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Elisabeth Wittenberg
  • Publication number: 20240336564
    Abstract: A compound, a rubber mixture containing the compound, a vehicle tire comprising the rubber mixture in at least one component, a process for producing the compound and the use of the compound as an aging stabilizer and/or antiozonant and/or dye, in which, the compound has the formula (I), wherein A is an aromatic radical optionally bearing additional substituents, and wherein R1 is selected from the group consisting of xi) aromatic radicals, wherein the aromatic radicals optionally bear substituents selected from the group consisting of halogen radicals, cyano radicals, ester radicals, ketone radicals, ether radicals and thioether radicals, and xii) linear, branched and cyclic aliphatic C1- to C12-radicals, and xiii) combinations of aromatic and aliphatic C1- to C12-radicals.
    Type: Application
    Filed: June 14, 2022
    Publication date: October 10, 2024
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Andreas Jacob, David-Raphael Dauer, Julian Strohmeier
  • Publication number: 20240294730
    Abstract: A sulfur-crosslinkable rubber mixture, to the vulcanizate thereof, and to a vehicle tire. The sulfur-crosslinkable rubber mixture comprises at least the following constituents: —at least one solution-polymerized styrene-butadiene rubber (SSBR) having a glass transition temperature Tg according to DSC of ?35° C. to ?85° C.; and —at least one silica; and —1 to 30 phf of at least one silane A having the general empirical formula A-I) (R1)oSi—R2—(S—R3)q—S—X; and —0.5 to 30 phf of at least one silane B having the general empirical formula B-I) (R1)oSi—R2—(S—R3)u—S—R2—Si(R1)o, where q=1 or 2 or 3; and u=1 or 2 or 3; and X is a hydrogen atom or a —C(?O)—R8 group where R8 is selected from hydrogen, C1-C20 alkyl groups, C6-C20 aryl groups, C2-C20 alkenyl groups and C7-C20 aralkyl groups.
    Type: Application
    Filed: May 3, 2022
    Publication date: September 5, 2024
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: David-Raphael Dauer, Julien Davin, Nils Hojdis, Norbert Müller, Carla Recker, Fabian Schax, Julia Schöffel, Gesa Tarantola, Christine Weber
  • Patent number: 11932753
    Abstract: The invention relates to a silane, to a rubber mixture containing the silane and to a vehicle tire comprising the rubber mixture in at least one component.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: March 19, 2024
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: David-Raphael Dauer, Andreas Jacob, Julian Strohmeier
  • Publication number: 20240018112
    Abstract: The invention relates to a compound, to a rubber mixture containing the compound, to a vehicle tire comprising the rubber mixture in at least one component, to a process for producing the compound and to the use of the compound as an aging stabilizer and/or antioxidant and/or antiozonant and/or dye. The compound according to the invention has the formula I).
    Type: Application
    Filed: September 29, 2021
    Publication date: January 18, 2024
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Carla Recker, Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Anna-Lena Dreier, Jörg-August Becker, Florian Matz, Rebecca Graf, Jan Flormann
  • Publication number: 20230312874
    Abstract: The invention relates to a compound, to a rubber mixture containing the compound, to a vehicle tire comprising the rubber mixture in at least one component, to a process for producing the compound and to the use of the compound as an aging stabilizer and/or antioxidant and/or dye. The compound according to the invention has the formula I).
    Type: Application
    Filed: September 29, 2021
    Publication date: October 5, 2023
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Anna-Lena Dreier, Carla Recker, Jörg-August Becker, Florian Matz, Rebecca Graf, Jan Flormann
  • Patent number: 11414441
    Abstract: The invention relates to a silane, to a rubber mixture comprising the silane and to a vehicle tire which comprises the rubber mixture in at least one component, and to a process for producing the silane. The silane of the invention has the following formula I) (R1)oSi—R2—S—R3—S—R3—S—X,??I) which, according to the invention, comprises the —R2—S—R3—S—R3— unit in the spacer group. The rubber mixture of the invention comprises at least one silane of the invention.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: August 16, 2022
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: Julian Strohmeier, Julia Schöffel, Andreas Jacob, Jaana Jürges, Julien Davin, David-Raphael Dauer
  • Patent number: 11396601
    Abstract: The invention relates to a process for preparing a silane, to a process for modifying a silica with the silane, and to a modified silica. The process for preparing a silane of the formula I) comprises at least the following steps: a) providing a substance (R1)oSi—R2—HNC(?O)NH-A-NH2; b) providing a substance HOC(?O)-A-S2-A-C(?O)OH; c) activating the substance from step b) through reaction with oxalyl chloride to form ClC(?O)-A-S2-A-C(?O)Cl; d) reacting at least two equivalents of the substance from step a) with one equivalent of the substance from step a), thereby obtaining a silane of the formula I); e) optionally purifying the silane of the formula I) obtained in step d) (R1)oSi—R2—HNC(?O)NH-A-HNC(?O)-A-Sk-A-C(?O)NH-A-NHC(?O)—R2—Si(R1),??I) wherein the groups A within a molecule may be identical or different and are aromatic groups.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: July 26, 2022
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Julia Schoeffel, Carla Recker, Kirsten Schwekendiek, Norbert Mueller
  • Patent number: 11384103
    Abstract: The invention relates to a silane, to a rubber mixture comprising the silane and to a vehicle tire comprising the rubber mixture in at least one component.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: July 12, 2022
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: David-Raphael Dauer, Andreas Jacob, Julian Strohmeier
  • Publication number: 20220144863
    Abstract: The invention relates to a silane, to a rubber mixture comprising the silane and to a vehicle tire which comprises the rubber mixture in at least one component, and to a process for producing the silane. The silane of the invention has the following formula I) (R1)oSi—R2—S—R3—S—R3—S—X??I) which, according to the invention, comprises the —R2—S—R3—S—R3— unit in the spacer group. The rubber mixture of the invention comprises at least one silane of the invention.
    Type: Application
    Filed: March 25, 2020
    Publication date: May 12, 2022
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Julian Strohmeier, Julia Schöffel, Andreas Jacob, Jaana Jürges, Julien Davin, David-Raphael Dauer
  • Publication number: 20210206948
    Abstract: The invention relates to a silane, to a rubber mixture containing the silane and to a vehicle tire comprising the rubber mixture in at least one component.
    Type: Application
    Filed: February 19, 2019
    Publication date: July 8, 2021
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: David-Raphael Dauer, Andreas Jacob, Julian Strohmeier
  • Publication number: 20210147689
    Abstract: The invention relates to a process for preparing a silane, to a process for modifying a silica with the silane, and to a modified silica. The process for preparing a silane of the formula I) comprises at least the following steps: a) providing a substance (R1)oSi—R2—HNC(?O)NH-A-NH2; b) providing a substance HOC(?O)-A-S2-A-C(?O)OH; c) activating the substance from step b) through reaction with oxalyl chloride to form ClC(?O)-A-S2-A-C(?O)Cl; d) reacting at least two equivalents of the substance from step a) with one equivalent of the substance from step a), thereby obtaining a silane of the formula I); e) optionally purifying the silane of the formula I) obtained in step d) (R1)oSi—R2—HNC(?O)NH-A-HNC(?O)-A-Sk-A-C(?O)NH-A-NHC(?O)—R2—Si(R1),??I) wherein the groups A within a molecule may be identical or different and are aromatic groups.
    Type: Application
    Filed: May 14, 2018
    Publication date: May 20, 2021
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Julia Schoeffel, Carla Recker, Kirsten Schwekendiek, Norbert Mueller
  • Patent number: 10927241
    Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, to a vulcanizate thereof and to a vehicle tire. The sulfur-crosslinkable rubber mixture contains at least the following constituents: at least one diene rubber; and 10 to 300 phr of at least one silica; and 1 to 30 phf of at least one silane A having general empirical formula A-I) (R1)oSi—R2—(S—R3)q—S—X; and??A-I) 0.5 to 30 phf of at least one silane B having general empirical formula B-I) (R1)oSi—R2—(S—R3)u—S—R2—Si(R1)o??B-I) wherein q is 1, 2 or 3; and u is 1, 2 or 3; and X is a hydrogen atom or a —C(?O)—R8 group wherein R8 is selected from hydrogen C1-C20-alkyl groups, preferably C1-C17, C6-C20-aryl groups, preferably phenyl, C2-C20-alkenyl groups and C7-C20-aralkyl groups.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: February 23, 2021
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: Julia Schoeffel, Norbert Mueller, Carla Recker, Christine Weber, Gesa Tarantola, David-Raphael Dauer, Fabian Schax, Nils Hojdis
  • Publication number: 20210009610
    Abstract: The invention relates to a silane, to a rubber mixture comprising the silane and to a vehicle tire comprising the rubber mixture in at least one component.
    Type: Application
    Filed: February 5, 2019
    Publication date: January 14, 2021
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: David-Raphael Dauer, Andreas Jacob, Julian Strohmeier
  • Publication number: 20200392307
    Abstract: The invention relates to a silane, to a rubber mixture comprising the silane and to a vehicle tire comprising the rubber mixture in at least one component.
    Type: Application
    Filed: May 14, 2018
    Publication date: December 17, 2020
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Julia Schoeffel, Carla Recker, Kirsten Schwekendiek, Norbert Mueller
  • Patent number: 10858499
    Abstract: The invention relates to a silane, to a rubber mixture comprising the silane and to a vehicle tire comprising the rubber mixture in at least one component.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: December 8, 2020
    Assignee: Continental Reifen Deutschland GmbH
    Inventors: Andreas Jacob, David-Raphael Dauer, Julian Strohmeier, Julia Schoeffel, Carla Recker, Kirsten Schwekendiek, Norbert Mueller
  • Publication number: 20200377699
    Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, to a vulcanizate thereof and to a vehicle tire. The sulfur-crosslinkable rubber mixture contains at least the following constituents: at least one diene rubber; and 10 to 300 phr of at least one silica; and 1 to 30 phf of at least one silane A having general empirical formula A-I) (R1)oSi—R2—(S—R3)q—S—X; and??A-I) 0.5 to 30 phf of at least one silane B having general empirical formula B-I) (R1)oSi—R2—(S—R3)u—S—R2—Si(R1)o??B-I) wherein q is 1, 2 or 3; and u is 1, 2 or 3; and X is a hydrogen atom or a C(?O)—R8 group wherein R8 is selected from hydrogen C1-C20-alkyl groups, preferably C1-C17, C6-C20-aryl groups, preferably phenyl, C2-C20-alkenyl groups and C7-C20-aralkyl groups.
    Type: Application
    Filed: September 4, 2018
    Publication date: December 3, 2020
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Julia Schoeffel, Norbert Mueller, Carla Recker, Christine Weber, Gesa Tarantola, David-Raphael Dauer, Fabian Schax, Nils Hojdis
  • Publication number: 20200377702
    Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, to a vulcanizate thereof and to a vehicle tire. The sulfur-crosslinkable rubber mixture contains at least the following constituents: at least one diene rubber; and 10 to 300 phr of at least one silica; and 1 to 30 phf of at least one silane A having general empirical formula A-I) and/or A-XI) A-I) (R1)oSi—R2—(S—R3)q—Sx—(R3—S)q—R2—Si(R1)o; A-XI) (R1)oSi—R2—(S—R3)s—S—X; and 0.5 to 30 phf of at least one silane B having general empirical formula B-I) B-I) (R1)oSi—R4—Si(R1)o wherein x is an integer from 2 to 10, q is 0, 1, 2 or 3 and s is 1, 2 or 3 and X is a hydrogen atom or a C(?O)—R8 group wherein R8 is selected from hydrogen C1-C20-alkyl groups, C6-C20-aryl groups, C2-C20-alkenyl groups and C7-C20-aralkyl groups.
    Type: Application
    Filed: August 9, 2018
    Publication date: December 3, 2020
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Julia Schoeffel, Norbert Mueller, Carla Recker, Christine Weber, Gesa Tarantola, David-Raphael Dauer, Fabian Schax, Nils Hojdis
  • Publication number: 20200377701
    Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, to a vulcanizate thereof and to a vehicle tire. The sulfur-crosslinkable rubber mixture contains at least the following constituents: at least one diene rubber; and 10 to 300 phr of at least one silica; and 1 to 30 phf of at least one silane A having general empirical formula A-I) and/or A-XI) (R1)oSi—R2—(S—R3)q—Sx—(R3—S)q—R2—Si(R1)o;??A-I) (R1)oSi—R2—(S—R3)x—S—X; and??A-XI) 5 to 30 phf of at least one silane B having general empirical formula B-I) (R1)oSi—R4—S—R4—Si(R1)o??B-I) wherein x is an integer from 2 to 10, q is 1, 2 or 3 and s is 0, 1, 2 or 3 and X is a hydrogen atom or a C(?O)—R8 group wherein R8 is selected from hydrogen C1-C20-alkyl groups, C6-C20-aryl groups, C2-C20-alkenyl groups and C7-C20-aralkyl groups.
    Type: Application
    Filed: September 4, 2018
    Publication date: December 3, 2020
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Julia Schoeffel, Norbert Mueller, Carla Recker, Christine Weber, Gesa Tarantola, David-Raphael Dauer, Fabian Schax, Nils Hojdis
  • Publication number: 20200377700
    Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, to a vulcanizate thereof and to a vehicle tire. The sulfur-crosslinkable rubber mixture contains at least the following constituents: at least one diene rubber; and 10 to 300 phr of at least one silica; and 1 to 30 phf of at least one silane A having general empirical formula A-I) (R1)oSi—R2—S—H; and??A-I) 0.5 to 30 phf of at least one silane B having general empirical formula B-I) (R1)oSi—R3—(S—R4)u—(S—R5)v—Si(R1)o,??B-I) wherein u is 0, 1, 2 or 3 and v is 0 or 1.
    Type: Application
    Filed: September 4, 2018
    Publication date: December 3, 2020
    Applicant: Continental Reifen Deutschland GmbH
    Inventors: Julia Schoeffel, Norbert Mueller, Carla Recker, Christine Weber, Gesa Tarantola, David-Raphael Dauer, Fabian Schax, Nils Hojdis