Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960554 | Method for making helically wound extrudate particles | — | 1990-10-02 |
| 4673664 | Shape for extruded catalyst support particles and catalysts | — | 1987-06-16 |
| 4411771 | Process for hydrotreating heavy hydrocarbons and catalyst used in said process | Marvin Goldstein | 1983-10-25 |