Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316683 | Metal extraction by ion exchange | Achille De Schepper | 1994-05-31 |
| 5277882 | Process for recovering germanium | Jean H. Vliegen, Achille De Schepper | 1994-01-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316683 | Metal extraction by ion exchange | Achille De Schepper | 1994-05-31 |
| 5277882 | Process for recovering germanium | Jean H. Vliegen, Achille De Schepper | 1994-01-11 |