Patents by Inventor Katharina KARNS

Katharina KARNS 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).

  • Patent number: 10392469
    Abstract: Epoxy resin compositions containing at least one resin component and at least one hardener component are suitable as a thermoset matrix for production of semi-finished fiber matrix products and cured fiber matrix laminates known as composites.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: August 27, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Martina Ortelt, Dirk Fuchsmann, Sebastian de Nardo, Eike Langkabel, Britta Kohlstruk, Annette Sandkuehler, Ralph Aldridge, Katharina Karns
  • Patent number: 10155840
    Abstract: Epoxy compositions containing at least one resin component and at least one hardener component, are suitable as a thermoset matrix for production of semi-finished fiber matrix products and cured fiber matrix laminates.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: December 18, 2018
    Assignee: Evonik Degussa GmbH
    Inventors: Martina Ortelt, Eike Langkabel, Dirk Fuchsmann, Britta Kohlstruk, Katharina Karns
  • Patent number: 9994671
    Abstract: A curable composition including an epoxy resin, an open-chain polyamine, and a compound of the formula (I); a hardened composition prepared by curing the curable composition; a process for coating a surface or impregnating a textile sheet, including applying and hardening the curable composition; and a surface, a fiber composite material, a coating, or an adhesive including the hardened composition,
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: June 12, 2018
    Assignee: EVONIK DEGUSSA GMBH
    Inventors: Martina Ortelt, Dirk Fuchsmann, Eike Langkabel, Britta Kohlstruk, Katharina Karns
  • Publication number: 20170166688
    Abstract: Epoxy compositions containing at least one resin component and at least one hardener component, are suitable as a thermoset matrix for production of semi-finished fibre matrix products and cured fibre matrix laminates.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 15, 2017
    Applicant: Evonik Degussa GmbH
    Inventors: Martina ORTELT, Eike LANGKABEL, Dirk FUCHSMANN, Britta KOHLSTRUK, Katharina KARNS
  • Publication number: 20170166687
    Abstract: Epoxy resin compositions containing at least one resin component and at least one hardener component are suitable as a thermoset matrix for production of semi-finished fibre matrix products and cured fibre matrix laminates known as composites.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 15, 2017
    Applicant: Evonik Degussa GmbH
    Inventors: Martina ORTELT, Dirk FUCHSMANN, Sebastian de NARDO, Eike LANGKABEL, Britta KOHLSTRUK, Annette SANDKUEHLER, Ralph ALDRIDGE, Katharina KARNS
  • Publication number: 20150376327
    Abstract: The present invention relates to a curable or hardened composition comprising at least one epoxy resin, one open-chain polyamine and one compound of the formula (I) where the moieties R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19 and R20 respectively and mutually independently are selected from the group comprising hydrogen, methyl, ethyl, propyl, isopropyl and amine, with the proviso that at least one moiety from the group comprising R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 is amine and at least one moiety from the group comprising R11, R12, R13, R14, R15, R16, R17, R18, R19 and R20 is amine; to use of a hardener combination comprising an aliphatic diamine and a compound of the formula (I) for the curing of epoxy resin; to a process for the coating of a surface or for the impregnation of a textile sheet, comprising the steps of (a) application and (b) hardening of the curable composition, and also to a surface, fibre composite material, coating or adhesive compri
    Type: Application
    Filed: January 15, 2014
    Publication date: December 31, 2015
    Applicant: Evonik Degussa GmbH
    Inventors: Martina ORTELT, Dirk FUCHSMANN, Eike LANGKABEL, Britta KOHLSTRUK, Katharina KARNS