Patents Examined by Hazel F. Siderry
  • Patent number: 5730989
    Abstract: The present invention concerns an oral preparation useful as an immunizing agent or vaccine against gram negative bacterial infection. This oral preparation can also be used as a treatment for those infected with gam negative bacteria. The preparations can be used against any gram negative bacterial infection, including Escherichia coli, Shigella flexneri 2a, and Salmonella enteriditis.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 24, 1998
    Assignee: Novavax, Inc.
    Inventor: D. Craig Wright