Patents by Inventor Werner Hubner

Werner Hubner 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).

  • Magnetic recording media
    Publication number: 20010026880
    Abstract: Tape-like magnetic recording media having a nonmagnetic substrate and at least one layer applied to the substrate having incorporated into at least one of these layers, an inorganic needle-shaped pigment which serves as a supporting pigment and has a ratio of the average length to the average diameter of the pigment of at least 3, and the mean modulus of elasticity of the layers is not less than 15 Gpa in the longitudinal direction of the tape-like recording media.
    Type: Application
    Filed: March 19, 2001
    Publication date: October 4, 2001
    Inventors: August Lehner, Helmut Jakusch, Volker Koch, Manfred Ohlinger, Albert Kohl, Werner Lenz, Norbert Schneider, Peter Heilmann, Werner Hubner, Erich Hoffmann, Ronald John Veitch, Rudi Lehnert, Harald Jachow
  • Preparation of stabilized acicular ferromagnetic chromium dioxide
    Patent number: 5164173
    Abstract: Stabilized acicular ferromagnetic chromium dioxide is prepared by a method in which the chromium dioxide surface formed as a result of a reductive treatment is treated with adsorbed monobasic or polybasic hydroxycarboxylic acids.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: November 17, 1992
    Assignee: BASF Aktiengesellschaft
    Inventors: Norbert Muller, Manfred Ohlinger, Rainer Feser, Bernhard Bottcher, Peter Rudolf, Werner Hubner