Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817114 | S-B-S compositions | — | 2004-11-16 |
| 5558703 | Bituminous compositions | — | 1996-09-24 |
| 4842717 | Process for dewaxing gas oils | Jacques Grootjans | 1989-06-27 |
| 4810356 | Process for treating gas oils | Jacques Grootjans | 1989-03-07 |