Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485629 | Process for separation of heavy metals from residues by use of ethylene-diamine-disuccinic acid (edds) complexant | Diederik Rudolf Schowanek | 2002-11-26 |
| 6264720 | Separation of heavy metals and materials for use in this | Diederik Rudolf Schowanek | 2001-07-24 |