Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271910 | Process of treating metal chloride wastes | Gerrit van der Lee | 1993-12-21 |
| 4943420 | Process for recovering gallium | Alfred Mitschker, Peter M. Lange, Heiko Hoffmann, Gunter Lossmann, Cornelius J. Smit | 1990-07-24 |