Patents by Inventor Allan R. Knight

Allan R. Knight 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).

  • Membrane support assembly for electrolytic cell and method of making same
    Patent number: 4288310
    Abstract: Method of supporting a preformed membrane in an electrolytic cell, and apparatus therefor, which comprises casting in situ support plates about the open edges of the membrane.
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: September 8, 1981
    Inventors: Allan R. Knight, Indresh Mathur
  • Process for selective removal of sodium sulfate from an aqueous slurry
    Patent number: 4246241
    Abstract: A process for selectively removing sodium sulfate and sodium hydroxide from an aqueous slurry containing sodium chloride, sodium sulfate and sodium hydroxide, which comprises contacting the slurry in a countercurrent wash step with cool water to remove sodium sulfate and sodium hydroxide therefrom.
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: January 20, 1981
    Assignee: Dow Chemical Canada Limited
    Inventors: Indresh Mathur, Dale M. Bristow (nee Elley), Allan R. Knight