Patents by Inventor Donald F. Harrington

Donald F. Harrington 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 compositions
    Patent number: 4386006
    Abstract: This invention relates to novel ion exchange compositions and to a method for their manufacture. Ion exchange compositions, wherein a material having ion exchange capacity is supported on a solid, water-insoluble, porous substrate, are prepared by contacting a functional vinyl monomer with such substrate and polymerizing such monomer therein to bind the polymer to the substrate by macromolecular entanglement.
    Type: Grant
    Filed: January 25, 1968
    Date of Patent: May 31, 1983
    Assignee: The Dow Chemical Company
    Inventor: Donald F. Harrington