Patents by Inventor Kris Kwiatek

Kris Kwiatek 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).

  • Campy-Cefex selective and differential medium for campylobacter
    Patent number: 5891709
    Abstract: A solid or semi-solid culture medium, designated Campy-Cefex, for the isolation of Campylobacter species. The culture medium includes:(a) a nutrient medium with an energy source effective to support growth of Campylobacter;(b) agar;(c) blood;(d) a first selective agent selected from cycloheximide, its salts, or mixtures thereof; and(e) a second selective agent selected from cefoperazone, its salts, or mires thereof.In use, the sample to be analyzed is inoculated onto the Campy-Cefex culture medium, and subsequently incubated for a sufficient time and under conditions effective to promote growth of Campylobacter. Following incubation, the culture medium may then be examined for the presence of any colonies of Campylobacter.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: April 6, 1999
    Assignee: The United States of America as represented by the Secretary of the Agriculture
    Inventors: Norman J. Stern, Boleslaw J. Wojton, Kris Kwiatek