Patents by Inventor Wolfgang Hennig

Wolfgang Hennig 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).

  • Process for producing optimized melt-textured bodies based on the high-temperature superconductor YBa2Cu3O7 (YBCO)
    Patent number: 6258753
    Abstract: The invention concerns a process for producing optimized melt-textured volume samples based on the high temperature superconductor YBa2Cu3O7 (YBCO) for use in contact-free self-stabilizing magnetic bearings. The object of the invention is to provide a process by which structured high-temperature superconductive materials of the initially mentioned composition can be mass-produced economically in an automated process while maintaining a high degree of dimensional accuracy.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: July 10, 2001
    Assignee: Forschungszentrum Karlsruhe GmbH
    Inventors: Hans-Jurgen Bornemann, Thomas Burghardt, Wolfgang Hennig
  • Acetylene-cumulene porphycene compounds for photodynamic therapy
    Patent number: 5132101
    Abstract: Dihydro- and tetrahydro-acetylene-cumulene porphycene compounds having the structure shown below ##STR1## are useful as photogynamic therapy agents.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: July 21, 1992
    Assignee: Cytopharm, Inc.
    Inventors: Emanuel Vogel, Alexander D. Cross, Norbert Jux, Eduardo Rodriguez-Val, Stefan Boehm, Wolfgang Hennig