Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803024 | Benefication of titania slag by oxidation and reduction treatment | Jacobus Philippus Van Dyk, Nanne Mattheus Vegter, Cornelia Petronella Visser, John D. Winter, Ernest A. Walpole +1 more | 2004-10-12 |