Patents by Inventor Stefan Graupner

Stefan Graupner 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).

  • Cloning vector
    Patent number: 6337208
    Abstract: The present invention relates to cloning vectors, cloning methods and cloning kits. More particularly, the present invention relates to a cloning vector comprising a nucleic acid sequence encoding a polypeptide which when expressed is lethal for a bacterial host cell and at least one cloning site wherein the insertion of a foreign nucleic acid insert in the cloning site causes a disruption of the expression of the lethal polypeptide.
    Type: Grant
    Filed: January 3, 2000
    Date of Patent: January 8, 2002
    Inventor: Stefan Graupner