Patents by Inventor Brenda J. Allan

Brenda J. Allan 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).

  • Bacterial vaccines using vaccine strains of pathogenic bacteria
    Patent number: 5747309
    Abstract: Vaccines are provided for vaccinating an animal against pathogenic bacteria, including E. coli. The invention also encompasses methods of preparing and methods of use of vaccine strains and compositions that result from or are used in these methods. In particular, pathogenic bacteria comprising at least one attenuating mutation selected from the group consisting of a pyrimidine pathway mutation, an iron metabolism mutation, and a colicin transport mutation which retain their immunogenicity so as to provide protective immunity are provided.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: May 5, 1998
    Assignee: University of Saskatchewan
    Inventors: Brenda J. Allan, Andrew A. Potter