Patents by Inventor Bjorn Riefke

Bjorn Riefke 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: 20100129293
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: January 26, 2010
    Publication date: May 27, 2010
    Applicant: Institut fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Bjórn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 7655217
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: February 2, 2010
    Assignee: Institut fur Diagnosikforschung GmbH
    Inventors: Kai Licha, Björn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 7445767
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: November 4, 2008
    Assignee: Institut fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Björn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Publication number: 20060165598
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: March 22, 2006
    Publication date: July 27, 2006
    Applicant: Institut fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Publication number: 20060165599
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: March 22, 2006
    Publication date: July 27, 2006
    Applicant: Institut fur Diagnostikforschung GmbH
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 7025949
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: April 11, 2006
    Assignee: Institut fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 6926885
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: August 9, 2005
    Assignees: Institut fur Diagnostikforschung GmbH, Freien Universitat Berlin
    Inventors: Kai Licha, Björn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Publication number: 20050169844
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: March 29, 2005
    Publication date: August 4, 2005
    Applicant: Institut fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 6913743
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: February 19, 2003
    Date of Patent: July 5, 2005
    Assignee: Institut fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Björn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Publication number: 20050106106
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: December 16, 2004
    Publication date: May 19, 2005
    Applicant: Institut fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Publication number: 20030170179
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: February 19, 2003
    Publication date: September 11, 2003
    Applicant: Institut fur Diagnostikforschung GMBH an der freien Universita (copy)
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 6534041
    Abstract: The invention relates to acid-labile and enzymatically divisible compounds for in-vivo and in-vitro diagnosis by means of near infrared radiation (NIR-radiation), the use of said compounds as optic diagnostic and therapeutic agents, and the diagnostic agents containing said compounds.
    Type: Grant
    Filed: May 1, 2000
    Date of Patent: March 18, 2003
    Assignee: Institute for Diagnostic Research GmbH of the Free University of Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Wolfgang Wrasidlo
  • Publication number: 20030026763
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: June 26, 2002
    Publication date: February 6, 2003
    Applicant: Institut Fur Diagnostikforschung GmbH an der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christopher -Stephen Hilger
  • Publication number: 20020022004
    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: Application
    Filed: September 25, 2001
    Publication date: February 21, 2002
    Inventors: Kai Licha, Bjorn Riefke, Werner Weitschiess, Dieter Heldmann, Violetta Sudmann
  • Publication number: 20010055567
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Application
    Filed: May 7, 2001
    Publication date: December 27, 2001
    Applicant: Institut Fur Diagnostikforschung GmbH An Der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 6329531
    Abstract: The invention relates to compounds of formula (I): Fm(—A1)(—Bn)(—Wo) wherein F is a colorant-signal molecule with a maximum absorption value ranging from 600-1200 nm; A is a &bgr;-amyloid plaque binding biomolecule; B is a &bgr;-amyloid plaque binding colorant; and W is a &bgr;-amyloid plaque binding hydrophilic low-molecular structural element. The invention also describes the use of these compounds in in vivo an din vitro diagnosis of neurodegenerative diseases such as Alzheimer's disease by means of near infra-red radiation (NIR radiation) as a constrasting agent in fluoresecence and transillumination diagnosis in the NIR range. Diagnostic agents containing said componenets are also disclosed.
    Type: Grant
    Filed: November 18, 1999
    Date of Patent: December 11, 2001
    Assignee: Schering AG
    Inventors: Jonathan Turner, Thomas Dyrks, Wolfhard Semmler, Kai Licha, Bjorn Riefke
  • 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
  • Patent number: 6258340
    Abstract: This invention relates to a in-vivo diagnostic method based on near infrared ra ation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: July 10, 2001
    Assignees: Institut fur Diagnostikforschung GmbH, der Freien Universitat Berlin
    Inventors: Kai Licha, Björn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger
  • Patent number: 6083485
    Abstract: This invention relates to an in-vivo diagnostic method based on near infrared radiation (NIR radiation) that uses water-soluble dyes and their biomolecule adducts, each having specific photophysical and pharmaco-chemical properties, as a contrast medium for fluorescence and transillumination diagnostics in the NIR range, to new dyes and pharmaceuticals containing such dyes.
    Type: Grant
    Filed: November 7, 1997
    Date of Patent: July 4, 2000
    Assignees: Institut fur Diagnostikforschung GmbH, der Freien Universitat Berlin
    Inventors: Kai Licha, Bjorn Riefke, Wolfhard Semmler, Ulrich Speck, Christoph-Stephan Hilger