Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826797 | Carbon-containing molybdenum and tungsten sulfide catalysts | Russell R. Chianelli | 1989-05-02 |
| 4820677 | Amorphous, iron promoted Mo and W sulfide hydroprocessing catalysts and process for their preparation | Allan J. Jacobson, Teh C. Ho, Russell R. Chianelli | 1989-04-11 |
| 4795731 | Transition metal sulfide promoted molybdenum or tungsten sulfide catalysts and their uses for hydroprocessing | Allan J. Jacobson, Russell R. Chianelli | 1989-01-03 |