Patents by Inventor Stephan Berens

Stephan Berens 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).

  • Corynebacterium glutamicum strain with enhanced secretion activity
    Patent number: 6982162
    Abstract: The present invention refers to a Corynebacterium glutamicum bacterial strain which new isolated and identified secD and/or secF gene(s) is/are genetically modified in a way that secretion of the bacterial strain is enhanced, the protein- and polynucleotide sequences of these genes, a plasmid containing at least one of these genes and the use of such a bacterial strain for production of a desired substance or in a reporter system.
    Type: Grant
    Filed: May 10, 2001
    Date of Patent: January 3, 2006
    Assignee: Degussa AG
    Inventors: Stephan Berens, Jörn Kalinowski, Alfred Pühler
  • Corynebacterium glutamicum strain with enhanced secretion activity
    Publication number: 20020055141
    Abstract: The present invention refers to a Corynebacterium glutamicum bacterial strain which new isolated and identified secD and/or secF gene(s) is/are genetically modified in a way that secretion of the bacterial strain is enhanced, the protein- and polynucleotide sequences of these genes, a plasmid containing at least one of these genes and the use of such a bacterial strain for production of a desired substance or in a reporter system.
    Type: Application
    Filed: May 10, 2001
    Publication date: May 9, 2002
    Inventors: Stephan Berens, Jorn Kalinowski, Alfred Puhler