Patents by Inventor Robert A. Kapitany

Robert A. Kapitany 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 for diarrhea caused by E. coli
    Patent number: 4298597
    Abstract: A relatively safe and effective vaccine for coliform diarrhea and related infections is prepared from semipurified K99 and other concentrated subcellular antigens and organelles of selected. E. coli strains. For this purpose broth cultures of E. coli bacteria are mechanically sheared or sonicated to disrupt the bacterial cells, then centrifuged and the supernatent containing subcellular particles and components is concentrated by ultrafiltration and sterilized by the addition of a preservative and/or stabilizer.
    Type: Grant
    Filed: September 4, 1979
    Date of Patent: November 3, 1981
    Assignee: University of Saskatchewan
    Inventors: Stephen D. Acres, Robert A. Kapitany