Patents by Inventor Eike Langkabel

Eike Langkabel 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: 10633519
    Abstract: Provided is a storage-stable polyurethane prepegs and mouldings produced therefrom composed of polyurethane compositions with liquid resin components, preferably liquid polyols. A prepeg contains(A)a fibrous support and (B)a matrix material containing a reactive polyurethane composition. The polyurethane composition contains a mixture of a liquid resin component(b)having a functional group reactive towards an isocyanate and having a glass transition temperature(Tg)or melting point below 25° C., with a hydroxyl number of 50 to 2000 mg KOH/gram, and a curing agent(a)comprising a di- or polyisocyanate internally blocked or blocked with a blocking agent. In addition, the polyurethane composition contains 0.6 to NCO equivalents or 0.3 to 1 uretdione group in (a) for each functional group of (b).
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: April 28, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Emmanouil Spyrou, Friedrich Georg Schmidt, Eike Langkabel, Katharina Cielaszyk, Sandra Reemers, Holger Loesch, Elke Gollan, Marina Grammenos
  • Patent number: 10626236
    Abstract: The invention relates to storage-stable one-component (1K) polyurethane prepregs and to shaped bodies produced therefrom.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: April 21, 2020
    Assignee: Evonik Operations GmbH
    Inventors: Emmanouil Spyrou, Holger Loesch, Andrea Diesveld, Susanne Kreischer, Eike Langkabel, Ralph Aldridge, Elke Gollan
  • 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: 10280252
    Abstract: Latent epoxy resin formulations are suitable for liquid impregnation processes for production of fiber composite materials.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: May 7, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Martina Ortelt, Dirk Fuchsmann, Eike Langkabel, Britta Kohlstruk, Jaclyn Balthasar
  • Patent number: 10221277
    Abstract: An epoxy resin composition including A) at least one epoxy compound and B) a hardener composition including B1) 0.1%-100% by weight of 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, and B2) 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 5, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Stephan Kohlstruk
  • Patent number: 10214612
    Abstract: An epoxy resin composition including A) at least one epoxy compound, and B) a hardener composition including B1) from 0.1%-100% by weight of 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine, and B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1.
    Type: Grant
    Filed: May 24, 2017
    Date of Patent: February 26, 2019
    Assignee: Evonik Degussa GmbH
    Inventors: Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Stephan Kohlstruk
  • 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
  • Publication number: 20180162991
    Abstract: Latent epoxy resin formulations are suitable for liquid impregnation processes for production of fibre composite materials.
    Type: Application
    Filed: December 12, 2016
    Publication date: June 14, 2018
    Applicant: Evonik Degussa GmbH
    Inventors: Martina ORTELT, Dirk FUCHSMANN, Eike LANGKABEL, Britta KOHLSTRUK, Jaclyn BALTHASAR
  • 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: 20180155515
    Abstract: The invention relates to storage-stable one-component (1K) polyurethane prepregs and to shaped bodies produced therefrom.
    Type: Application
    Filed: November 17, 2017
    Publication date: June 7, 2018
    Inventors: Emmanouil Spyrou, Holger Loesch, Andrea Diesveld, Susanne Kreischer, Eike Langkabel, Ralph Aldridge, Elke Gollan
  • Publication number: 20180127980
    Abstract: The invention relates to a rebar, to a method of production and to use of a composition. In particular, the invention relates to a rebar including A) at least one fibrous carrier, and B)and a hardened composition formed from B1) at least one epoxy compound, and B2) at least one diamine and/or polyaminein a stoichiometric ratio of the epoxy compound B1) to the diamine and/or polyamine component B2) of 0.8:1 to 2:1, as matrix material, and also C) optionally further auxiliaries and additives.
    Type: Application
    Filed: April 8, 2016
    Publication date: May 10, 2018
    Inventors: Dirk Fuchsmann, Vladislav Yaroslavskiy, Michael Vogel, Eike Langkabel, Martina Ortelt, Wladimir Richter
  • Publication number: 20170355810
    Abstract: An epoxy resin composition including A) at least one epoxy compound, and B) a hardener composition including B1) from 0.1%-100% by weight of 2-(3,3,5-trimethylcyclohexyl)propane-1,3-diamine, and B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1.
    Type: Application
    Filed: May 24, 2017
    Publication date: December 14, 2017
    Inventors: Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Stephan Kohlstruk
  • Publication number: 20170355808
    Abstract: An epoxy resin composition including A) at least one epoxy compound, and B) a hardener composition including B1) from 0.1%-100% by weight of 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine, and B2) from 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1.
    Type: Application
    Filed: May 24, 2017
    Publication date: December 14, 2017
    Inventors: Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Stephan Kohlstruk
  • Publication number: 20170355809
    Abstract: An epoxy resin composition including A) at least one epoxy compound and B) a hardener composition including B1) 0.1%-100% by weight of 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, and B2) 99.9%-0% by weight of at least one further diamine and/or polyamine, where the stoichiometric ratio of the epoxy groups of A) and the number of active hydrogen atoms of the functional groups of B) varies from 1:2 to 2:1.
    Type: Application
    Filed: May 23, 2017
    Publication date: December 14, 2017
    Inventors: Eike Langkabel, Martina Ortelt, Dirk Fuchsmann, Jaclyn Balthasar, Alexander Martin Rüfer, Anne Rittsteiger, Jörg-Joachim Nitz, Stephan Kohlstruk
  • 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
  • Patent number: 8916267
    Abstract: An adhesive composition for detachable adhesive bonds is based on adhesive matrices and expansion material. The particles of the expansion material are at least partially encapsulated. A bond of at least two components and an adhesive layer includes an adhesive composition based on adhesive matrices and expansion material. The bonded components may include metal, plastic, wood, glass, natural or synthetic materials or a composite material thereof.
    Type: Grant
    Filed: January 24, 2013
    Date of Patent: December 23, 2014
    Assignees: EADS Deutschland GmbH, Fraunhofer Gesellschaft zur Förderung der Angewandten Forschung E.V.
    Inventors: Monika Bauer, Arnaud Concord, Eike Langkabel, Hans Luinge, Georg Wachinger
  • Publication number: 20140087613
    Abstract: The invention relates to storage-stable polyurethane prepregs and mouldings produced therefrom composed of polyurethane compositions with liquid resin components, preferably liquid polyols.
    Type: Application
    Filed: March 21, 2012
    Publication date: March 27, 2014
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Emmanouil Spyrou, Friedrich Georg Schmidt, Eike Langkabel, Katharina Cielaszyk, Sandra Reemers, Holger Loesch, Elke Gollan, Marina Grammenos
  • Patent number: 8377245
    Abstract: An adhesive composition for detachable adhesive bonds is based on adhesive matrices and expansion material, the particles of the expansion material being at least partially encapsulated.
    Type: Grant
    Filed: November 3, 2011
    Date of Patent: February 19, 2013
    Assignees: EADS Deutschland GmbH, Fraunhofer Gesellschaft zur Förderung der Angewandten Forschung E.V.
    Inventors: Monika Bauer, Arnaud Concord, Eike Langkabel, Hans Luinge, Georg Wachinger