Patents by Inventor Patricia I. Fields

Patricia I. Fields 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).

  • Vaccine utilizing an avirulent strain of Salmonella typhimurium
    Patent number: 4764370
    Abstract: A vaccine against a microbial pathogen comprised of a live, immunogenic but prototrophic and avirulent mutant strain of the selected microbial pathogen in an amount effective to confer immunity. A method of obtaining a vaccine that induces a heightened cellular and humoral immune response to one of a variety of microbial pathogens in a warm blooded animal. A method for isolation of an avirulent strain of a selected pathogenic microorganism.
    Type: Grant
    Filed: September 12, 1984
    Date of Patent: August 16, 1988
    Assignee: Scripps Clinic and Research Foundation
    Inventors: Patricia I. Fields, Constantine G. Haidaris, Frederick L. Heffron