Patents by Inventor Thomas Balzer

Thomas Balzer 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).

  • Multiply substituted DTPA derivatives and their metal complexes, and their metal complexes, pharmaceutical agents that contain these complexes, their use in diagnosis and therapy, as well as process for the production of pharmaceutical agents
    Patent number: 5885548
    Abstract: The invention relates to new, multiply substituted diethylenetriaminepentaacetic acid derivatives, their complexes and complex salts, that contain an element of atomic numbers 20-32, 39-51 or 57-83, pharmaceutical agents that contain these compounds, their use as contrast media and antidotes, and process for the production of pharmaceutical agents.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: March 23, 1999
    Assignee: Schering Aktiengesellschaft
    Inventors: Franz-Karl Maier, Michael Bauer, Werner Krause, Ulrich Speck, Gabriele Schuhmann-Giampiere, Andreas Muhler, Thomas Balzer, Wolf-Rudiger Press
  • Use of tetra azacycle complexes as x-ray diagnostic agents for the liver and gallbladder
    Patent number: 5853699
    Abstract: The disclosed metal complexes are suitable as contrast media for computer tomography of the liver and the biliary tracts.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: December 29, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Franz-Karl Maier, Michael Bauer, Werner Krause, Ulrich Speck, Gabriele Schuhmann-Giampiere, Andreas Muhler, Thomas Balzer, Wolf-Rudiger Press
  • DTPA derivatives substituted in a novel way, their metal complexes, and their use in diagnosis and therapy
    Patent number: 5746995
    Abstract: The invention relates to new diethylenetriaminepentaacetic acid derivatives, their complexes and complex salts, that contain an element of atomic numbers 20-32, 39-51 or 57-83, pharmaceutical agents that contain these compounds and their use as contrast media and antidotes.
    Type: Grant
    Filed: November 30, 1995
    Date of Patent: May 5, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Franz-Karl Maier, Michael Bauer, Werner Krause, Ulrich Speck, Gabriele Schuhmann-Giampieri, Andreas Muhler, Thomas Balzer, Wolf-Rudiger Press
  • Use of metal complexes as liver and gallbladder X-ray diagnostic agents
    Patent number: 5672335
    Abstract: Metal complexes containing a metal of atomic numbers 39-42, 44-51 or 56-83 and a complexing agent can be used for the production of contrast media for use in the contrast-enhanced computer tomography of the liver and the biliary tracts.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: September 30, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Krause, Thomas Balzer, Wolf-Rudiger Press, Gabriele Schuhmann-Giampieri, Ulrich Speck, Andreas Muhler