Patents by Inventor Douglas S. McFarland

Douglas S. McFarland 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).

  • Halogen generation
    Patent number: 5039383
    Abstract: A process for forming halogen of chlorine and/or bromine by subjecting aqueous hydrohalic acid electrolyte solution to an electrical current while providing a continuous flow of inert gas through the solution and maintaining the solution at a substantially invariant level and composition.
    Type: Grant
    Filed: April 20, 1989
    Date of Patent: August 13, 1991
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Robert M. Spotnitz, Douglas S. McFarland