Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880760 | Dewaxing catalysts employing non-zeolitic molecular sieves | Regis J. Pellet, Jule A. Rabo, Gary N. Long, Frank P. Gortsema | 1989-11-14 |
| 4861739 | Microporous crystalline composite compositions | Regis J. Pellet, Peter K. Coughlin, Richard T. Gajek | 1989-08-29 |
| 4857495 | Hydrocracking catalysts and processes employing silicoaluminophosphate molecular sieves | Frank P. Gortsema, Regis J. Pellet, Jule A. Rabo, Gary N. Long | 1989-08-15 |
| 4818739 | Hydrocracking catalysts and processes employing non-zeolitic molecular sieves | Frank P. Gortsema, Regis J. Pellet, Jule A. Rabo, Gary N. Long | 1989-04-04 |