Patents by Inventor Franz-Karl Maier

Franz-Karl Maier 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).

  • Metal complexes, suitable for use in diagnosis and therapy
    Patent number: 6254850
    Abstract: The invention relates to diethylenetriaminepentaacetic acid derivatives, their complexes and complex salts, containing an element of atomic numbers 20-32, 39-51 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and antidotes and process for their production.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: July 3, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Krause, Franz-Karl Maier, Michael Bauer, Gabriele Schuhmann-Giampieri, Wolf-Rudiger Press, Peter Muschik
  • Metal complexes, of DTPA derivatives suitable for use in diagnosis and therapy
    Patent number: 6040432
    Abstract: The invention relates to diethylenetriaminepentaacetic acid derivatives, their complexes and complex salts, containing an element of atomic numbers 20-32, 39-51 or 57-83, pharmaceutical agents containing these compounds, their use as contrast media and antidotes and process for their production.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 21, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Krause, Franz-Karl Maier, Michael Bauer, Gabriele Schuhmann Giampieri, Wolf-Rudiger Press, Peter Muschik
  • 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
  • 3-,8-substituted deuteroporphyrin derivatives, pharmaceutical agents containing the latter and process for their production
    Patent number: 5849259
    Abstract: The invention relates to new 3,8-substituted deuteroporphyrin derivatives with various substituents in positions 13 and 17 of the porphyrin skeleton, pharmaceutical agents containing these compounds, their use in diagnosis and therapy as well as process for the production of these agents.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: December 15, 1998
    Assignee: Institut Fur Diagnostikforschung GmbH
    Inventors: Christoph Stephan Hilger, Franz Karl Maier, Heinz Gries, Ulrich Niedballa, Johannes Platzek, Mary Lee-Vaupel, Wolfgang Ebert, Jurgen Conrad, Josef Gaida
  • Iodine-containing peptides
    Patent number: 5756066
    Abstract: Iodine-containing peptides of general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, a, m and q have the meanings indicated in the description, agents containing these compounds, the use of compounds as contrast media as well as processes for their production are described.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 26, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Danute Nitecki, Werner Krause, Franz-Karl Maier, Gabriele Schuhmann-Giampieri, Wolf-Rudiger Press, Peter Muschick, Sara Biancalana
  • 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
  • Dimeric DTPA derivatives, their metal complexes and pharmaceutical agents containing these complexes
    Patent number: 5695737
    Abstract: The invention relates to new dimeric DTPA derivatives, their metal complexes, containing at least one ion of an element of atomic numbers 21-32, 37-39, 42-51 and 57-83, agents containing these complexes, their use in NMR diagnosis and/or diagnostic radiology, radiodiagnosis and radiotherapy, as well as process for their production.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 9, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Krause, Franz Karl Maier, Michael Bauer, Gabriele Schuhmann-Giampieri, Wolf Press, Johannes Platzek, Heribert Schmitt-Willich
  • Meso-tetraphenylporphyrin complex compounds, process for their production and pharmaceutical agents containing the latter
    Patent number: 5674467
    Abstract: Porphyrin complex compounds consisting of a meso-tetraphenylporphyrin ligand of general formula I ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 have varying meanings, and an ion of an element of atomic numbers 21-32, 38, 39, 42-51 or 58-83 as well as optionally one or more physiologically harmless cation(s) of inorganic and/or organic bases, amino acids or amino acid amides are valuable diagnostic agents.
    Type: Grant
    Filed: September 26, 1995
    Date of Patent: October 7, 1997
    Assignee: Institut fur Diagnostikforschung GmbH
    Inventors: Franz Karl Maier, Wolfgang Ebert, Mary Lee-Vaupel, Heinz Gries, Jurgen Conrad
  • Cascade polymers with iodoaromatic compounds
    Patent number: 5593660
    Abstract: Iodine-containing dendrimeric polymers of general formula IA--(X).sub.b (I),in whichA stands for a nitrogen-containing nucleus of basic multiplicity b, andb stands for the numbers 1 to 8 andX stands for a radical composed of ##EQU1## reproduction units S and at most 2.sup.n imaging radicals Z, in whichn determines the number of generations and stands for the numbers 1 to 10,S and Z have various meanings, are valuable X-ray diagnostic agents.
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: January 14, 1997
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Krause, Franz-Karl Maier, Michael Bauer, Gabriele Schuhmann-Giampieri, Wolf-R udiger Press