Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5451382 | Process and plant for removing lead, cadmium and zinc from dusts | Bernardus J. Damman | 1995-09-19 |
| 5431895 | Process for the removal of lead and cadmium from phosphoric acid | Bernardus J. Damman, Horst Bennoit | 1995-07-11 |