Patents by Inventor Paul C. Poynor

Paul C. Poynor 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: 4514282
    Abstract: Heavy hydrocarbonaceous oil is cracked by hydrogen donor diluent cracking, and pitch from the donor cracking step is recycled. The pitch is catalytically hydrotreated before it is recycled. Hydrotreating the pitch enables complete conversion of the 950.degree. F.+ fraction of heavy hydrocarbonaceous oil to 950.degree. F.- distillate.
    Type: Grant
    Filed: July 21, 1983
    Date of Patent: April 30, 1985
    Assignee: Conoca Inc.
    Inventors: Paul C. Poynor, Joseph W. Burdett
  • Patent number: 4430197
    Abstract: A hydrogen donor diluent cracking process in which the pitch fraction from the cracking step is heat soaked in the presence of hydrogen donor solvent and then returned to the cracking coil.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: February 7, 1984
    Assignee: Conoco Inc.
    Inventors: Paul C. Poynor, Hugh E. Romine
  • Patent number: 4178229
    Abstract: Low value heavy hydrocarbonaceous material such as a petroleum refinery vacuum residuum is converted to distillate products and pitch in a hydrogen donor diluent cracking process, and the pitch is utilized as feedstock to a delayed premium coker.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: December 11, 1979
    Assignee: Conoco, Inc.
    Inventors: James R. McConaghy, Paul C. Poynor, John R. Friday