Patents Assigned to Conoca Inc.
  • Hydrogen donor diluent cracking process
    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