Patents by Inventor Paul E. Seyler

Paul E. Seyler 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).

  • Asphalt compositions containing coated carbon fiber, methods for their manufacture and use
    Patent number: 6488755
    Abstract: Asphalt compositions as well as asphalt paving compositions are improved by the inclusion of coated mesophase pitch carbon fibers having wax or waxy coatings to such compositions. Uses of such asphalt compositions, particularly with aggregates to form asphalt paving compositions are also disclosed.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: December 3, 2002
    Assignee: Conoco Inc.
    Inventors: Paul E. Seyler, Stephen D. Harris, John Byron Sudbury, Jeff D. Meyers
  • Process for upgrading the flash zone gas oil stream from a delayed coker
    Patent number: 5645711
    Abstract: A delayed coking process in which a flash zone gas oil stream from the bottom of the coker fractionator is upgraded by removing suspended solids and then hydroprocessing the stream to make it more attractive as a feed to a fluidized bed catalytic cracking unit or other processing unit. Removal of the solids allows the stream to be processed in a fixed bed catalytic hydrotreater without plugging of the catalyst bed.
    Type: Grant
    Filed: January 5, 1996
    Date of Patent: July 8, 1997
    Assignee: Conoco Inc.
    Inventors: Thomas L. Hraban, Paul E. Seyler, Todd W. Dixon