Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5773676 | Process for producing olefins and aromatics from non-aromatics | Charles A. Drake, James B. Kimble | 1998-06-30 |
| 5080777 | Refining of heavy slurry oil fractions | Paul A. Aegerter, Jr., Jerald A. Howell, Kelly G. Knopp | 1992-01-14 |
| 5024750 | Process for converting heavy hydrocarbon oil | Patricia A. Tooley, Brent J. Bertus, Bille S. Grayson | 1991-06-18 |
| 4715948 | Improving the life of a catalyst used to process hydrocarbon containing feed streams | Simon G. Kukes, Robert J. Hogan | 1987-12-29 |
| 4657663 | Hydrotreating process employing a three-stage catalyst system wherein a titanium compound is employed in the second stage | Lloyd E. Gardner, Robert J. Hogan, John W. Myers | 1987-04-14 |
| 4619759 | Two-stage hydrotreating of a mixture of resid and light cycle oil | John W. Myers, Stephen L. Parrott | 1986-10-28 |
| 4564441 | Hydrofining process for hydrocarbon-containing feed streams | Simon G. Kukes, Robert J. Hogan | 1986-01-14 |