Patents by Inventor William Harold Jay

William Harold Jay 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).

  • Ion exchange
    Patent number: 7001523
    Abstract: An ion exchange material comprising a superabsorbent polyurethane foam having an ion exchange medium contained therein. The ion exchange may be used in a process for the extraction of metal anions and cations from solutions and/or slurries including the steps of: (a) contacting a metal ion-containing solution with an ion exchange material comprising a superabsorbent polyurethane foam having an ion exchange medium contained therein; (b) separating the ion exchange material from the solution and/or slurry; and (c) recovering the sorbed metal ions from the ion exchange medium.
    Type: Grant
    Filed: September 25, 1998
    Date of Patent: February 21, 2006
    Assignee: Oretek Limited
    Inventor: William Harold Jay
  • Ion exchange resin
    Patent number: 6203708
    Abstract: An ion exchange resin comprising an ion exchange material dispersed or distributed throughout a polyurethane matrix. The ion exchange material is typically a second polymer which has been chemically modified after dispersion or distribution throughout the polyurethane matrix.
    Type: Grant
    Filed: May 17, 1999
    Date of Patent: March 20, 2001
    Assignee: Monash University
    Inventors: Frank Lawson, William Harold Jay