Patents by Inventor George J. Zivtins

George J. Zivtins 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).

  • Enzymatic dispersion of biological slimes
    Patent number: 4055467
    Abstract: Slime in industrial process waters can be dispersed and prevented by treating the waters with a few ppm of the enzyme, Rhozyme HP-150, a pentosanase-hexosanase.
    Type: Grant
    Filed: December 20, 1976
    Date of Patent: October 25, 1977
    Assignee: Nalco Chemical Company
    Inventors: Ronald J. Christensen, George J. Zivtins