Patents by Inventor Robert E. Tomilson

Robert E. Tomilson 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).

  • Polyether polyamino methylene phosphonates for high pH scale control
    Patent number: 5534157
    Abstract: A method for inhibiting the formation, deposition, and adherency of scale-forming salts, including calcium sulfite, in process waters. The method is particularly suited for use in pulp mill lime kiln flue gas scrubber systems and multi-effect evaporators. Additionally, the method is effective at high pH and high calcium sulfite saturation levels.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: July 9, 1996
    Assignee: Calgon Corporation
    Inventors: Craig D. Iman, Robert E. Tomilson