Patents by Inventor Ursula Priefer

Ursula Priefer 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).

  • Class II mobilizable gram-negative plasmid
    Patent number: 4680264
    Abstract: Vectors capable of replication in a broad host range of gram-negative bacteria are provided. The vectors are composite plasmids comprising a segment derived from an E. coli vector plasmid and a segment derived from a broad host range plasmid. The broad host range plasmid segment includes Mob-functions and DNA coding for replication functions with regions non-essential for broad host range replication or mobilizablity having been deleted. Bacterial strains containing the above plasmids as well as methods of cloning DNA employing such plasmids are also provided.
    Type: Grant
    Filed: July 1, 1983
    Date of Patent: July 14, 1987
    Assignee: Lubrizol Genetics, Inc.
    Inventors: Alfred Puhler, Reinhard Simon, Ursula Priefer