Patents Assigned to Institut für Diagnostikforschung GmbH an der Freien Universität Berlin
  • 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