Patents by Inventor Peter Thomas Barth

Peter Thomas Barth 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).

  • Expression vector containing an inducible selection gene system
    Patent number: 5840521
    Abstract: The invention relates to vectors which include an inducible selection gene and a sequence which codes for a heterologous polypeptide. In a particular example the selection gene comprises the tetA and tetR genes. The vector may also include a sequence which is capable of conferring stability on the vector, such as the cer sequence, a transcription terminator, such as gene 32 from bacteriophage T4, a ribosome binding site, and a multi-cloning site. Hosts transformed with the vector, processes for preparing these hosts, and processes for preparing polypeptides using these hosts.
    Type: Grant
    Filed: November 8, 1994
    Date of Patent: November 24, 1998
    Assignee: Imperial Chemical Industriles PLC
    Inventor: Peter Thomas Barth