Patents by Inventor Gottfried Boden

Gottfried Boden 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: 7682534
    Abstract: A method for the production of a carbon or a ceramic component based on carbon, using a cellulose-containing semi-finished molded piece which is pyrolyzed. According to the invention, homogeneous large-size ceramic components may be produced, whereby a cellulose-containing, semi-finished molded piece containing fibers, chips or strands of homogeneous density distribution and homogeneous structure is used as semi-finished molded piece and is pyrolyzed in non-oxidizing gas atmospheres.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: March 23, 2010
    Assignees: Schunk Kohlenstofftechnik GmbH, Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
    Inventors: Stefan Siegel, Gottfried Boden, Uwe Petasch, Volker Thole, Roland Weiss, Thorsten Scheibel, Martin Henrich, Marco Ebert, Martin Kühn, Andreas Lauer, Gotthard Nauditt
  • Publication number: 20070259970
    Abstract: The invention relates to a method for dispersing and passivating particulate powders in water and aqueous media. It is particularly advantageously applicable in the handling and processing of non-oxidic powders, e.g., in the ceramic and hard-metal industry. In the method claimed auxiliaries are added due to the process. According to the invention this method is characterized in that polyvinylamines and/or the initial products thereof are used as these auxiliaries.
    Type: Application
    Filed: April 13, 2005
    Publication date: November 8, 2007
    Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FOEDERUNG DER ANGEWAND TEN FORSCHUNG E .V., G.U.S. BETEILIGUNGS GMBH, WOLFRAM BERGBAU – UND HUETTEN-GMBH NFG. KG, H.C. STARCK GMBH, KENNAMETAL GMBH & CO. KG, WERKZEUGE + HARTSTOFFE, KENNAMETAL WIDIA GMBH & CO. KG, GUEHRING OHG, HARTMETALL AG, CERATIZIT S.A.
    Inventors: Gottfried Boden, Sven Thiele, Manfred Nebelung
  • Publication number: 20050151305
    Abstract: A method for the production of a carbon or a ceramic component based on carbon, using a cellulose-containing semi-finished molded piece which is pyrolyzed. According to the invention, homogeneous large-size ceramic components may be produced, whereby a cellulose-containing, semi-finished molded piece containing fibers, chips or strands of homogeneous density distribution and homogeneous structure is used as semi-finished molded piece and is pyrolyzed in non-oxidizing gas atmospheres.
    Type: Application
    Filed: December 12, 2002
    Publication date: July 14, 2005
    Inventors: Stefan Siegel, Gottfried Boden, Uwe Petasch, Volker Thole, Roland Weiss, Thorsten Scheibel, Martin Henrich, Marco Ebert, Martin Kuhn, Andreas Lauer, Gotthard Nauditt