Patents Assigned to Institut fuer Diagnostikforschung
  • Perfluoro-alkyl containing dye molecules and galencial formulations
    Patent number: 6447749
    Abstract: This invention describes galenical formulations that contain perfluoroalkyl-containing dye molecules and other perfluoroalkyl-containing substances. The new formulations are suitable as, i.a., contrast media for near-infrared diagnosis.
    Type: Grant
    Filed: September 29, 2000
    Date of Patent: September 10, 2002
    Assignees: Schering Aktiengesellschaft, Institut fuer Diagnostikforschung
    Inventors: Kai Licha, Andreas Becker, Bjoern Riefke, Johannes Platzek
  • Contrast medium for near infrared diagnosis
    Patent number: 6319488
    Abstract: This invention relates to colloidal systems charged with polymethine dyes and having suitable photophysical and pharmacological properties, their use as a contrast medium in fluorescence and transillumination diagnostics in the near infrared spectral range, as well as methods for their production.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: November 20, 2001
    Assignee: Institut für Diagnostikforschung GmbH an der Freien Universität Berlin
    Inventors: Kai Licha, Björn Riefke, Werner Weitschiess, Dieter Heldmann, Violetta Sudmann