Patents by Inventor James M. Dickson

James M. Dickson 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).

  • Publication number: 20030168404
    Abstract: Charged membranes comprise a porous substrate and a cross-linked polyelectrolyte or hydrogel located in the pores of the substrate and are useful in a variety of membrane separation processes including pressure driven membrane separation, diffusion dialysis. Donnan dialysis, electrodialysis, electrochemical synthesis and pervaporation.
    Type: Application
    Filed: June 17, 1999
    Publication date: September 11, 2003
    Inventors: ALICJA M. MIKA, RONALD F. CHILDS, JAMES M. DICKSON
  • Patent number: 6258276
    Abstract: Charged membranes comprise a porous substrate and a cross-linked polyelectrolyte or hydrogel located in the pores of the substrate and are useful in a variety of membrane separation processes, including pressure driven membrane separation, diffusion dialysis, Donnan dialysis, electrodialysis, electrochemical synthesis and prevaporation. Certain of the membranes are novel.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: July 10, 2001
    Assignee: McMaster University
    Inventors: Alicja M. Mika, Ronald F. Childs, James M. Dickson