Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834865 | Hydrocracking process using disparate catalyst particle sizes | Simon G. Kukes, Jeffrey T. Miller, Jeffrey C. Kelterborn | 1989-05-30 |
| 4820403 | Hydrocracking process | Jeffrey T. Miller | 1989-04-11 |
| 4797195 | Three zone hydrocracking process | Simon G. Kukes, Jeffrey T. Miller | 1989-01-10 |
| 4797196 | Hydrocracking process using special juxtaposition of catalyst zones | Simon G. Kukes, Albert L. Hensley, Jr. | 1989-01-10 |