Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857496 | Heavy oil hydroprocessing with Group VI metal slurry catalyst | Jaime Lopez | 1989-08-15 |
| 4824821 | Dispersed group VIB metal sulfide catalyst promoted with Group VIII metal | Jaime Lopez | 1989-04-25 |