Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696617 | Process for treating complex cyanide | — | 2004-02-24 |
| 6428599 | Iron-rich residue recyclable from the hydrometallurgical processing of flue dust | — | 2002-08-06 |
| 6361753 | Converting zinc chloride to zinc oxide during the hydrometallurgical processing of flue dust | — | 2002-03-26 |
| 6190626 | Detoxifying spent aluminum potliners | — | 2001-02-20 |
| 5709730 | Hydrometallurgical processing of flue dust | — | 1998-01-20 |
| 4655829 | Metal recovery process | — | 1987-04-07 |