Patents by Inventor Judy G. La Zonby

Judy G. La Zonby 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).

  • Synergistic activity of glutaraldehyde in the presence of oxidants
    Patent number: 5368749
    Abstract: The present invention provides a composition and method of administering same for inhibiting the growth of aerobic microorganisms. The composition of the present invention includes sufficient amounts of an oxidant and glutaraldehyde. The method of the present invention includes the step of adding the oxidant and glutaraldehyde to industrial process waters.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: November 29, 1994
    Assignee: Nalco Chemical Company
    Inventor: Judy G. La Zonby
  • Glutaraldehyde plus dithiocarbamates for controlling microorganisms in paper mills
    Patent number: 5209824
    Abstract: A method for controlling microorganisms in aqueous paper mill systems which comprises treating such systems with a biocidal amount of a composition comprising: Glutaraldehyde, and a biocidal active dithiocarbamate.
    Type: Grant
    Filed: November 12, 1991
    Date of Patent: May 11, 1993
    Assignee: Nalco Chemical Company
    Inventor: Judy G. La Zonby