Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851109 | Integrated hydroprocessing scheme for production of premium quality distillates and lubricants | Nai Y. Chen, Rene B. LaPierre, Randall D. Partridge | 1989-07-25 |
| 4826792 | Method of noble metal-zeolite catalyst activation with Bronsted acid compound | Quang N. Le | 1989-05-02 |