Patents by Inventor Robert Gary Sawers

Robert Gary Sawers 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).

  • Recombinant DNA and expression vector for the repressible and inducible expression of foreign genes
    Patent number: 5830720
    Abstract: The recombinant DNA according to the present invention contains a regulator region which is different from the pfl gene; a promoter region upstream from the gene which contains a -35/-10 promoter sequence; a regulator region upstream from the promoter region which contains a sequence (I) 5'-GAGATATGATCTATATCAATTTC-3' or a 23 base pair sequence which is at least 80% identical to positions 6-10 and 15-19 of said sequence (I) but not having C at position 8 and/or G at position 17. An expression vector according to the present invention contains a recombinant DNA according to the present invention ligated into a suitable vector molecule and methods are also described for expression the DNA.
    Type: Grant
    Filed: February 9, 1995
    Date of Patent: November 3, 1998
    Assignee: Boehringer Mannheim GmbH
    Inventors: August Bock, Robert Gary Sawers, Michael Jarsch, Roland Herbst