Patents by Inventor Tyler A. Kokjohn

Tyler A. Kokjohn 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).

  • Isolated melanin-like substance and method for producing the same
    Patent number: 6090588
    Abstract: The production of a melanin-like compound by introducing an inactivated virus into a culture of bacteria is disclosed. After introduction, the inactivated virus causes a phenotypic change in the bacteria. When introduced into a media containing tyrosine, these modified bacteria produce a melanin-like compound, pyomelanin. The bacteria will continue to produce pyomelanin until they are removed from the tyrosine source.
    Type: Grant
    Filed: April 29, 1998
    Date of Patent: July 18, 2000
    Assignee: Board of Regents of University of Nebraska
    Inventors: Tyler A. Kokjohn, John O. Schrader