Patents by Inventor Michael N. Gaudet

Michael N. Gaudet 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 heavy metal ions by ion exchange
    Patent number: 5702611
    Abstract: The invention is for a process of removing dissolved heavy metal cation contaminants from an organic solution. The process of the invention involves providing a mixture of a chelating ion exchange resin modified by removal of sodium ions therefrom and an anion exchange resin and contacting said organic solution with said exchange resins for a time sufficient to remove ionic metal impurities and acids. The invention is useful for removal of ionic contaminants from organic solutions requiring high purity.
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: December 30, 1997
    Assignee: Shipley Company, L.L.C.
    Inventors: Dana A. Gronbeck, Kathleen M. O'Connell, William Andrew Burke, Michael N. Gaudet, Stefan J. Caporale