Patents by Inventor Mary E. Koutek

Mary E. Koutek 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).

  • Polyacrylate scale inhibition
    Patent number: 4680124
    Abstract: Small amounts of certain water-soluble phosphorous compounds prevent calcium polyacrylate scale.
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: July 14, 1987
    Assignee: Nalco Chemical Company
    Inventors: Paul R. Young, Mary E. Koutek, John A. Kelly