Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683214 | Noble metal-containing catalysts | Stephen M. Oleck | 1987-07-28 |
| 4612108 | Hydrocracking process using zeolite beta | Kenneth M. Mitchell, Stephen M. Oleck, Stuart S. Shih | 1986-09-16 |
| 4600503 | Process for hydrotreating residual petroleum oil | Thomas F. Degnan, Michael E. Landis | 1986-07-15 |
| 4568448 | Hydrodesulfurization process employing poison-resistant catalyst | Edward J. Rosinski | 1986-02-04 |
| 4521297 | Catalytic conversion of shale oil | Gunter H. Kuhl, Sadi Mizrahi | 1985-06-04 |
| 4519900 | Zeolite containing catalyst support for denitrogenation of oil feedstocks | Stephen M. Oleck, Robert C. Wilson, Jr., Sadi Mizrahi | 1985-05-28 |
| 4455216 | Polarity gradient extraction method | Michael B. Carroll, Stuart S. Shih, Samuel A. Tabak | 1984-06-19 |
| 4450067 | Distillation-induced extraction process | Michael B. Carroll, Stuart S. Shih, Samuel A. Tabak | 1984-05-22 |
| 4448672 | Process for the combined deashing/deasphalting of coal liquids | Michael B. Carroll, Stuart S. Shih, Samuel A. Tabak | 1984-05-15 |
| 4447312 | Process for improving the diesel fuel quality of coal derived liquids | Costandi A. Audeh, Samuel A. Tabak, Tsoung Y. Yan | 1984-05-08 |
| 4431518 | High nitrogen-containing oil processing | Guenter H. Kuehl, Sadi Mizrahi | 1984-02-14 |
| 4419218 | Catalytic conversion of shale oil | Gunter H. Kuhl, Sadi Mizrahi | 1983-12-06 |
| 4417973 | Upgrading olefinic stocks via sequential hydroformylation/hydrogenation | Chiu T. Lam | 1983-11-29 |
| 4415436 | Process for increasing the cetane index of distillate obtained from the hydroprocessing of residua | — | 1983-11-15 |
| 4404097 | Residua demetalation/desulfurization catalyst and methods for its use | Stephen M. Oleck | 1983-09-13 |
| 4382851 | Methylation process | Stuart S. Shih | 1983-05-10 |
| 4378308 | Poison-resistant hydrodesulfurization catalyst | Edward J. Rosinski | 1983-03-29 |
| 4378288 | Coking process by addition of free radical inhibitors | Stuart S. Shih | 1983-03-29 |
| 4354927 | Method of removing contaminants from hydrocarbonaceous fluids using high-sodium alumina | Stuart S. Shih, Stephen M. Oleck | 1982-10-19 |
| 4328127 | Residua demetalation/desulfurization catalyst | Stephen M. Oleck | 1982-05-04 |
| 4324645 | Upgrading residual oil | Thomas R. Stein | 1982-04-13 |
| 4306964 | Multi-stage process for demetalation and desulfurization of petroleum oils | — | 1981-12-22 |
| 4305812 | Solvent deasphalting by polarity gradient extraction | Stuart S. Shih, Samuel A. Tabak, Michael B. Carroll | 1981-12-15 |