Patents by Inventor Kirsten Sonn

Kirsten Sonn 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).

  • Growth medium for
    Patent number: 8236356
    Abstract: The present invention provides improved media for the cultivation of Clostridium histolyticum and culture supernatants for the biotechnological production of collagenase enzymes. The nutrient media according to the invention comprise one or more peptones from a non-mammalian source, preferably plant-derived peptones. The media can additionally comprise fish gelatin. The invention provides media, culture supernatants comprising Clostridium histolyticum collagenase, and methods to produce said collagenase.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: August 7, 2012
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Bernhard Suppmann, Werner Hoelke, Artur Hoffmann, Thomas Marx, Kirsten Sonn, Johann-Peter Thalhofer
  • GROWTH MEDIUM FOR CLOSTRIDIUM HISTOLYTICUM
    Publication number: 20100086971
    Abstract: The present invention provides improved media for the cultivation of Clostridium histolyticum and culture supernatants for the biotechnological production of collagenase enzymes. The nutrient media according to the invention comprise one or more peptones from a non-mammalian source, preferably plant-derived peptones. The media can additionally comprise fish gelatin. The invention provides media, culture supernatants comprising Clostridium histolyticum collagenase, and methods to produce said collagenase.
    Type: Application
    Filed: June 4, 2009
    Publication date: April 8, 2010
    Inventors: Bernhard Suppmann, Werner Hoelke, Artur Hoffmann, Thomas Marx, Kirsten Sonn, Johann-Peter Thalhofer
  • Recombinant terminal deoxynucleotidyl transferase with improved functionality
    Patent number: 7494797
    Abstract: Truncated terminal deoxynucleotidyl transferase (TdT) derivative from calf thymus, characterized in that the derivative in comparison to the native TdT is N-terminally truncated by up to 161 amino acids and has a 20- to 30-fold higher enzyme activity in solutions containing Co2+ ions, and its recombinant production and use.
    Type: Grant
    Filed: April 3, 2003
    Date of Patent: February 24, 2009
    Assignee: Roche Diagnostics Operations, Inc.
    Inventors: Rainer Mueller, Markus Pajatsch, Ingo Curdt, Harald Sobek, Manfred Schmidt, Bernhard Suppmann, Kirsten Sonn, Bernd Schneidinger
  • Recombinant terminal deoxynucleotidyl transferase with improved functionality
    Publication number: 20040043396
    Abstract: Truncated terminal deoxynucleotidyl transferase (TdT) derivative from calf thymus, characterized in that the derivative in comparison to the native TdT is N-terminally truncated by up to 161 amino acids and has a 20- to 30-fold higher enzyme activity in solutions containing Co2+ ions, and its recombinant production and use.
    Type: Application
    Filed: April 3, 2003
    Publication date: March 4, 2004
    Inventors: Rainer Mueller, Markus Pajatsch, Ingo Curdt, Harald Sobek, Manfred Schmidt, Bernhard Suppmann, Kirsten Sonn, Bernd Schneidinger