Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196095 | Process for recovering a metal from an aqueous solution comprising a mixture of metal chlorides | Archibald W. Fletcher, Stephen M. Olafson | 1993-03-23 |
| 5039496 | Process for selective extraction of contaminant elements from mixtures of electrolytes in solution | Ralf Kehl, Werner Schwab, Gary A. Korkosky | 1991-08-13 |