Patents by Inventor Paul F. Meredith

Paul F. Meredith 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).

  • Process for removing mercury from aqueous solutions
    Patent number: 4614592
    Abstract: A process for removing mercury from water to a level not greater than two parts per billion wherein an anion exchange material that is insoluble in water is contacted first with a sulfide containing compound and second with a compound containing a bivalent metal ion forming an insoluble metal sulfide. To this treated exchange material is contacted water containing mercury. The water containing not more than two parts per billion of mercury is separated from the exchange material.
    Type: Grant
    Filed: March 4, 1985
    Date of Patent: September 30, 1986
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: John M. Googin, John M. Napier, Mark A. Makarewicz, Paul F. Meredith