Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886594 | Hydrotreating catalyst and process | — | 1989-12-12 |
| 4875991 | Two-catalyst hydrocracking process | Simon G. Kukes, Louis C. Gutberlet | 1989-10-24 |
| 4834865 | Hydrocracking process using disparate catalyst particle sizes | Simon G. Kukes, L. Charles Gutberlet, Jeffrey C. Kelterborn | 1989-05-30 |
| 4820403 | Hydrocracking process | L. Charles Gutberlet | 1989-04-11 |
| 4812224 | Hydrocracking process | — | 1989-03-14 |
| 4797195 | Three zone hydrocracking process | Simon G. Kukes, L. Charles Gutberlet | 1989-01-10 |
| 4795853 | Isoparaffin synthesis over cadmium catalysts | Thomas D. Nevitt | 1989-01-03 |