Patents by Inventor Bernd Raduchel

Bernd Raduchel 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).

  • Publication number: 20020187101
    Abstract: Cascade polymer complexes with at least 16 ions of an element of atomic numbers 20 to 29, 39, 42, 44 or 57-83, useful NMR or x-ray lymphography imaging.
    Type: Application
    Filed: May 6, 2002
    Publication date: December 12, 2002
    Applicant: Schering AG
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Bernd Raduchel, Andreas Muhler, Thomas Frenzel
  • Patent number: 6468502
    Abstract: The invention relates to new, monomeric, perfluoroalkyl-substituted metal complexes, processes for their production, and their use in diagnosis and therapy. The compounds according to the invention are suitable especially as in vivo contrast media in nuclear spin tomography (MRT). They can preferably be used as blood-pool agents and as lymphographic agents.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: October 22, 2002
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Ulrich Niedballa, Bernd Radüchel, Wolfgang Schlecker, Hanns-Joachim Weinmann, Thomas Frenzel, Bernd Misselwitz, Wolfgang Ebert
  • Patent number: 6426059
    Abstract: Cascade polmer complexes with at least 16 ions of an element of atomic numbers 20 to 29, 39, 42, 44 or 57-83, useful NMR or x-ray lymphography imaging.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: July 30, 2002
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Bernd Radüchel, Andreas Mühler, Thomas Frenzel
  • Patent number: 6287538
    Abstract: Chelate compounds of general formula I wherein X is a hydrogen atom and/or a metal ion equivalent of an element of atomic numbers 21-29, 31, 32, 37-40, 42-44, 49 or 57-83, and Z1, Z2, R1, R2, R3 and R4 are as defined herein, as well as their salts with inorganic and/or organic bases, amino acids or amino acid amides, are valuable pharmaceutical agents, e.g., for NMR imaging.
    Type: Grant
    Filed: April 28, 1998
    Date of Patent: September 11, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: Heinz Gries, Erich Klieger, Bernd Radüchel, Heribert Schmitt-Willich, Hanns-Joachim Weinmann, Hubert Vogler, Gabriele Schuhmann-Giampieri, Jürgen Conrad
  • Patent number: 6248306
    Abstract: Cascade polymer complexes containing a) complexing ligands of general formula I A—{X—[Y—(Z—( W—Kw)z)y]x}a  (I)  in which A stands for a nitrogen-containing cascade nucleus of base multiplicity a, X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y, Z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w, K stands for the radical of a complexing agent, a stands for numbers 2 to 12, x, y, z and w, independently of one another, stand for numbers 1 to 4, provided that at least two reproduction units are different and that 16≦a·x·y·z·w≦64 holds true for the product of the multiplicities, b) at least 16 ions of an element of atomic numbers 20 to 29, 39, 42, 44 or 57-83 and c) optionally cations of inorganic and/or organic bases, amino acids or amino acid amides are valuab
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 19, 2001
    Assignee: Schering Aktiengesellschaft
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Ulrich Niedballa, Bernd Raduchel, Andreas Muhler, Thomas Frenzel, Wolfgang Ebert
  • Patent number: 6166200
    Abstract: Cascade polymer complexes that containa) complexing ligands of general formula IA--{X--[Y--(Z--W--K.sub.W .sub.z).sub.y ].sub.x}.sub.a (I),in whichA stands for a nitrogen-containing cascade nucleus of base multiplicity a,X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y,Z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w,K stands for the radical of a complexing agent,a stands for numbers 2 to 12,x, y, z and w, independently of one another, stand for numbers 1 to 4,provides that at least two reproduction units are different and that for the product of the multiplicities,16.ltoreq.a.multidot.x.multidot.y.multidot.z.multidot.w.ltoreq.
    Type: Grant
    Filed: July 2, 1999
    Date of Patent: December 26, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Bernd Raduchel, Andreas Muhler, Thomas Frenzel
  • Patent number: 6080785
    Abstract: The invention relates to new monofunctionalized ethylenediaminetetraacetic acid, diethylenetriaminepentaacetic acid and triethylenetetraaminehexaacetic acid derivatives, their production and their use for the production of pharmaceutical agents.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: June 27, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Peter Mareski, Ulrich Niedballa, Bernd Raduchel
  • Patent number: 6063361
    Abstract: Cascade polymer complexes having a complexing ligand with at least two different reproduction units and having a complexing agent which is a macrocyclic group having an amide grouping or a linear DTPA-type group having a linkage to the polymer through the central nitrogen.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: May 16, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Bernd Raduchel, Andreas Muhler, Thomas Frenzel
  • Patent number: 6057419
    Abstract: Cascade polymer complexes that contain a) complexing ligands of general formula (I), in which A stands for a nitrogen-containing cascade nucleus of base multiplicity a, X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y, z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w, K stands for the radical of a complexing agent, a stands for numbers 2 to 12, x, y, z and w, independently of one another, stand for numbers 1 to 4, provided that at least two reproduction units are different, and that 16.ltoreq.a.multidot.x.multidot.y.multidot.z.multidot.w.ltoreq.
    Type: Grant
    Filed: June 4, 1998
    Date of Patent: May 2, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Bernd Raduchel, Hanns-Joachim Weinmann, Wolfgang Ebert, Bernd Misselwitz, Andreas Muhler, Thomas Frenzel
  • Patent number: 6045776
    Abstract: The invention relates to a process for the production of metal-complex carboxylic acid amides, characterized in that a metal-complex carboxylic acid mixture that consists of the metal-complex carboxylic acid and at least one solubilizing substance in dimethyl sulfoxide (DMSO) is pretreated with a dehydrating reagent, optionally with the addition of a coupling adjuvant, and is then reacted with an amine of general formula IA(NH.sub.2).sub.n (I),in whichA stands for the radical of a natural or synthetic amine, andn stands for numbers 1 to 100.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: April 4, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Bernd Raduchel, Heribert Schmitt-Willich, Klaus-Dieter Graske
  • Patent number: 6019959
    Abstract: Oligomeric compounds that contain perfluoroalkyl of general formula IA--R.sup.F (I)in whichA is a molecule portion that contains 2-6 metal complexes that are connected directly or via a linker to a nitrogen atom of an annular skeleton chain, andR.sup.F is a perfluorinated, straight-chain or branched carbon chain with formula --C.sub.n F.sub.2n E, in which E represents a terminal fluorine, chlorine, bromine, iodine, or hydrogen atom and n stands for numbers 4-30,are valuable compounds for diagnosis, especially as in-vivo contrast media.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: February 1, 2000
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Ulrich Niedballa, Bernd Raduchel, Wolfgang Schlecker, Hanns-Joachim Weinmann, Thomas Frenzel, Bernd Misselwitz, Wolfgang Ebert
  • Patent number: 5919431
    Abstract: The invention relates to new 1,4,7,10-tetraazacyclododecane derivatives of formula I ##STR1## in which R.sup.1, R.sup.2, X and V have various meanings, their metal complexes, pharmaceutical agents containing these compounds, their use in diagnosis and treatment as well as process for the production of these compounds and agents.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: July 6, 1999
    Assignee: Schering Aktiengesellschaft
    Inventors: Christoph-Stephan Higler, Wolfgang Ebert, Mary Lee-Vaupel, Johannes Platzek, Jurgen Conrad, Bernd Raduchel
  • Patent number: 5919433
    Abstract: The invention relates to new macrocyclic metal complex carboxylic acids of formula II ##STR1## whereby Z.sup.o stands for a metal ion equivalent of atomic numbers 58-71 andR stands for a CHX.sup.1 --CO--NH--CHY.sup.1 --(CH.sub.2).sub.f --COOH group, in which X.sup.1 and Y.sup.1, independently of one another, mean a hydrogen atom, a straight-chain or branched C.sub.1 -C.sub.7 alkyl radical, a phenyl or benzyl group and f means numbers 0 to 9.They can be used as intermediate stages for synthesis of cascade polymer complexes that are suitable as diagnostic agents.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: July 6, 1999
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Bernd Raduchel, Heribert Schmitt-Willich
  • Patent number: 5874061
    Abstract: Cascade polymer complexes that containa) complexing ligands of general formula IA--{X--?Y--(Z--(W--K.sub.w).sub.z).sub.y!.sub.x }.sub.a, (I)in whichA stands for a nitrogen-containing cascade nucleus of base multiplicity a,X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y,Z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w,K stands for the radical of a complexing agent, a stands for numbers 2 to 12, x, y, z and w, independently of one another, stand for numbers 1 to 4,provided that at least two reproduction units are different, that 16.ltoreq.a.multidot.x.multidot.y.multidot.z.multidot.w.ltoreq.
    Type: Grant
    Filed: December 20, 1996
    Date of Patent: February 23, 1999
    Assignee: Schering Aktiengesellschaft
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Bernd Raduchel, Hanns-Joachim Weinmann, Wolfgang Ebert, Bernd Misselwitz, Andreas Muhler, Thomas Frenzel
  • Patent number: 5859214
    Abstract: Compounds of general formula I ##STR1## wherein Z.sup.1, Z.sup.2, X, R.sup.2 and R.sup.3 are as herein defined, are valuable pharmaceutical agents. In particular, the compounds are useful as contrast agents in NMR diagnosis.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: January 12, 1999
    Assignee: Schering Aktiengesellshaft
    Inventors: Heinz Gries, Erich Klieger, Bernd Raduchel, Heribert Schmitt-Willich, Hanns-Joachim Weinmann, Hubert Vogler, Gabriele Schuhmann-Giampieri, Jurgen Conrad
  • Patent number: 5843399
    Abstract: Chelate compounds of general formula I ##STR1## wherein X is a hydrogen atom and/or a metal ion equivalent of an element of atomic numbers 21-29, 31, 32, 37-40, 42-44, 49 or 57-83, andZ.sup.1, Z.sup.2, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined herein, as well as their salts with inorganic and/or organic bases, amino acids or amino acid amides, are valuable pharmaceutical agents, e.g., for NMR imaging.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 1, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Heinz Gries, Erich Klieger, Bernd Raduchel, Heribert Schmitt-Willich, Hanns-Joachim Weinmann, Hubert Vogler, Gabriele Schuhmann-Giampieri, Jurgen Conrad
  • Patent number: 5820849
    Abstract: Cascade polymer complexes that containa) complexing ligands of general formula IA-{X-?Y-(Z-<W-K.sub.W >.sub.Z).sub.y !.sub.x }.sub.a (I),in whichA stands for a nitrogen-containing cascade nucleus of base multiplicity a,X and Y, independently of one another, stand for a direct bond or a cascade reproduction unit of reproduction multiplicity x or y,Z and W, independently of one another, stand for a cascade reproduction unit of reproduction multiplicity z or w,K stands for the radical of a complexing agent,a stands for numbers 2 to 12,x, y, z and w, independently of one another, stand for numbers 1 to 4,provided that at least two reproduction units are different and that for the product of the multiplicities,16<a.multidot.x.multidot.y.multidot.z.multidot.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: October 13, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Bernd Raduchel, Andreas Muhler, Thomas Frenzel
  • Patent number: 5747000
    Abstract: The invention relates to the use of macrocyclic metal complexes that consist of a complexing agent of formula I and at least one metal ion of an element of atomic numbers 21-29, 42, 44 or 57-70 ##STR1## in which n, R.sup.1, R.sup.2, R.sup.3 and A are as set forth in the specification, are useful as temperature sensors.
    Type: Grant
    Filed: March 8, 1996
    Date of Patent: May 5, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Johannes Platzek, Bernd Raduchel, Ulrich Niedballa, Hanns-Joachim Weinmann, Hans Bauer, Klaus Roth
  • Patent number: 5744616
    Abstract: A process for the production of 1,4,7,10-tetraazacyclododecane (cyclene) and its derivatives on an industrial scale comprises cyclotetramerizing of benzylaziridine that is produced in situ.
    Type: Grant
    Filed: February 25, 1997
    Date of Patent: April 28, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Orlin Petrov, Annette Prelle, Klaus Graske, Klaus Nickisch, Bernd Raduchel, Johannes Platzek
  • Patent number: 5733522
    Abstract: The invention relates to complex compound as well as their salts consisting of at least one metal ion and one complexing agent of general formula I ##STR1## in which Z.sup.1, Z.sup.2 and s have different meanings, as well as their use for the production of agents for radiation therapy and for NMR diagnosis and diagnostic radiology, especially for contrasting the hepatobiliary system. Further, the invention relates to a process for the production of these compounds and agents.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: March 31, 1998
    Assignee: Schering Aktiengesellschaft
    Inventors: Heribert Schmitt-Willich, Johannes Platzek, Heinz Gries, Bernd Raduchel, Orlin Petrov, Andreas Muhler, Thomas Frenzel, Hubert Vogler, Hans Bauer, Klaus Nickisch, Jean-Claude Hilscher