Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611912 | Production of high cetane diesel fuel by employing hydrocracking and catalytic dewaxing techniques | Scott Han, Michael Ehlers | 1997-03-18 |
| 5475181 | Process for selectively converting ethene to isobutylene over selectivated ZSM-35 | Frank T. DiGuiseppi, Scott Han | 1995-12-12 |
| 5466361 | Process for the disposal of aqueous sulfur and caustic-containing wastes | Heinz-Walter Heinemann, P. Thomas Reischman, Paul B. Venuto, D. Duayne Whitehurst | 1995-11-14 |
| 5449849 | Selectivated ZSM-035 catalyst and process for selectively converting ethene to linear butenes therewith | Frank T. DiGuiseppi, Scott Han | 1995-09-12 |
| 5374350 | Process for treating heavy oil | Lillian A. Rankel | 1994-12-20 |
| 5362382 | Resid hydrocracking using dispersed metal catalysts | Frank T. DiGuiseppi | 1994-11-08 |
| 5264643 | Process for converting olefins to higher hydrocarbons | Frank T. DiGuiseppi, Scott Han | 1993-11-23 |
| 5258115 | Delayed coking with refinery caustic | Tom Reischman, Gerald J. Teitman, Salvatore T. M. Viscontini | 1993-11-02 |
| 5250484 | Surface modified porous acidic crystalline catalyst | Jeffrey S. Beck, Jose G. Santiesteban | 1993-10-05 |
| 5237120 | Double bond isomerization of olefin-containing feeds with minimal oligomertization using surface acidity deactivated zeolite catalysts | Werner O. Haag, Jose G. Santiesteban, David S. Shihabi | 1993-08-17 |
| 5234875 | Coke-selectivated porous acidic crystalline catalyst, its preparation, and use in olefin oligomerization | Scott Han, Frank T. DiGuiseppi | 1993-08-10 |
| 4442023 | Hydrotreating hydrocarbon feedstocks | Edward J. Rosinski, Stuart S. Shih | 1984-04-10 |
| 4430198 | Hydrotreating hydrocarbon feedstocks | Edward J. Rosinski, Stuart S. Shih | 1984-02-07 |
| 4357263 | Catalyst for the upgrading of aromatic liquids | Stephen M. Cleck, Stuart S. Shih, Robert Wilson | 1982-11-02 |
| 4267033 | Upgrading of aromatic liquids | Stephen M. Oleck, Stuart S. Shih, Robert Wilson | 1981-05-12 |
| 4221654 | Hydroprocessing coal liquids | Thomas R. Stein, Albert V. Cabal | 1980-09-09 |
| 4200521 | Catalytic hydroprocessing of solvent refined coal to provide a liquid and a solid fuel | Thomas R. Stein, Michael J. Dabkowski | 1980-04-29 |