Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511937 | Combination slurry hydroconversion plus solvent deasphalting process for heavy oil upgrading wherein slurry catalyst is derived from solvent deasphalted rock | Roby Bearden, Jr., Zhiguo Hou, David T. Ferrughelli, Ronald D. Myers | 2003-01-28 |