Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591428 | Continuous process for the catalytic treatment of hydrocarbon oils | — | 1986-05-27 |
| 4568523 | Moving catalyst bed reactor | Joannes B. Wijffels, Arie P. Den Hartog | 1986-02-04 |
| 4502946 | Process for the complete replacement of particles in vessels | — | 1985-03-05 |