Patents by Inventor Joseph J. Krolczyk

Joseph J. Krolczyk 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).

  • Treatment of fresh waters to destroy filamentous bacteria
    Patent number: 5395530
    Abstract: The present invention provides a method for inhibiting the growth of filamentous microorganisms. The method includes the steps of adding effective amounts of a biocide and an enzyme. The enzyme of the present invention enhances the leakiness of the protective sheath around the filamentous microorganisms to allow the penetration of the biocide into the cells of the filamentous microorganisms.
    Type: Grant
    Filed: April 6, 1994
    Date of Patent: March 7, 1995
    Assignee: Nalco Chemical Company
    Inventors: Linda R. Robertson, Judy G. LaZonby, Joseph J. Krolczyk, Harley R. Melo, Christopher L. Wiatr
  • Treatment of process waters to destroy filamentous bacteria
    Patent number: 5324432
    Abstract: The present invention provides a method for inhibiting the growth of filamentous microorganisms. The method includes the steps of adding effective amounts of a biocide and an enzyme. The enzyme of the present invention enhances the leakiness of the protective sheath around the filamentous microorganisms to allow the penetration of the biocide into the cells of the filamentous microorganisms.
    Type: Grant
    Filed: June 17, 1993
    Date of Patent: June 28, 1994
    Assignee: Nalco Chemical Company
    Inventors: Linda R. Robertson, Judy G. LaZonby, Joseph J. Krolczyk, Harley R. Melo