Patents by Inventor Juan R. Harto

Juan R. Harto 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).

  • Trimeric, macrocyclically substituted halo-benzene derivatives
    Patent number: 7385054
    Abstract: The metal complexes of general formula I in which Hal stands for bromine or iodine, and A1 and A2 have different meanings, are suitable as contrast media.
    Type: Grant
    Filed: November 14, 2005
    Date of Patent: June 10, 2008
    Assignee: Schering AG
    Inventors: Johannes Platzek, Heiko Schirmer, Hanns-Joachim Weinmann, Jose Luis Martin, Juan R. Harto
  • Process for the production of triiodotrimesic acid
    Patent number: 7355067
    Abstract: A new process for the production of triiodotrimesic acid that is used as an intermediate product for the synthesis of x-ray contrast media is described.
    Type: Grant
    Filed: December 1, 2006
    Date of Patent: April 8, 2008
    Assignee: Schering AG
    Inventors: Heiko Schirmer, Hannelore Niedballa, legal representative, Johannes Platzek, Jose Luis Martin, Juan R. Harto, Jose Carretero, Ulrich Niedballa
  • Trimeric macrocyclic substituted benzene derivatives
    Patent number: 7208140
    Abstract: The metal complexes of general formula I in which Hal stands for bromine or iodine and A1 and A2 have different meanings, are suitable as contrast media.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: April 24, 2007
    Assignee: Schering Aktiengesellschaft
    Inventors: Heiko Schirmer, Hanns-Joachim Weinmann, Johannes Platzek, Jose Luis Martin, Juan R. Harto, Bjoern Riefke
  • Process for the production of triiodotrimesic acid
    Patent number: 7166740
    Abstract: A new process for the production of triiodotrimesic acid that is used as an intermediate product for the synthesis of x-ray contrast media is described.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: January 23, 2007
    Assignee: Schering AG
    Inventors: Heiko Schirmer, Ulrich Niedballa, Hannelore Niedballa, Johannes Platzek, Jose Luis Martin, Juan R. Harto, Jose Carretero
  • Trimeric macrocyclic substituted benzene derivatives
    Publication number: 20040265236
    Abstract: The metal complexes of general formula I 1
    Type: Application
    Filed: February 19, 2004
    Publication date: December 30, 2004
    Inventors: Heiko Schirmer, Hanns-Joachim Weinmann, Johannes Platzek, Jose Luis Martin, Juan R. Harto, Bjoern Riefke