Patents by Inventor Philip E. Boynton

Philip E. Boynton 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: 4886522
    Abstract: A desulfurization process for coal ore for the removal of both organic and inorganic (pyritic) sulfurs in coal ore comprises a series of steps including the pulverizing of coal ore; mixing coal particulates with separation reagents, a catalyst and a vehicle; separating the recyclable chemicals and abstracted sulfurs through a select membrane; conditioning the particulates for flotation and sedimentation; clarifying the settleable ash and inorganic sulfurs and the floatable coal from the vehicle; and dewatering the collected coal particulates. The process also provides for regeneration of the catalyst.
    Type: Grant
    Filed: March 3, 1988
    Date of Patent: December 12, 1989
    Assignee: Malin Research Corporation
    Inventors: James G. Davidson, Deborah A. Allard, Philip J. Sawyer, Philip E. Boynton