Patents by Inventor Stephen Alan Cottrell

Stephen Alan Cottrell 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).

  • Patent number: 6101818
    Abstract: A method for separating water from a chemical mixture is provided. In the process of the invention, water is separated from a chemical mixture by contacting the chemical mixture with a water-soluble polymer.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: August 15, 2000
    Assignee: AlliedSignal Inc.
    Inventors: Raymond Hilton Percival Thomas, Rajiv Ratna Singh, Jeffrey Warren McKown, Roy Phillip Robinson, Stephen Alan Cottrell