Patents by Inventor Michael B. Liewen

Michael B. Liewen 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).

  • Composition and method for inhibiting pathogens and spoilage organisms in foods
    Patent number: 5186962
    Abstract: The method of the invention uses live cells of non-fermenting and/or non-growing lactic acid bacteria to deliver bacteriocin into edible food substances to inhibit the growth of food spoilage and/or foodborne pathogenic organisms. The method of the invention may be used to inhibit growth of these organisms in raw food substances and finished food products after processing. The lactic acid bacteria within the food mixture are capable of producing bacteriocin in the desired microbial-inhibiting amounts under conditions of non-growth and non-fermentation.
    Type: Grant
    Filed: March 12, 1991
    Date of Patent: February 16, 1993
    Assignee: Board of Regents of the University of Nebraska
    Inventors: Robert W. Hutkins, Elaine D. Berry, Michael B. Liewen