Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6228270 | Process for reducing selenium and mercury from aqueous solutions | Gary Monteith, Lucy Rosato | 2001-05-08 |
| 5411648 | Method and apparatus for on-line monitoring the quality of a purified metal sulphate solution | M. Barakat I. Janjua, Frank Kitzinger, Gregory A. Wint, Vladimir M. Labuc | 1995-05-02 |
| 5302261 | Power assisted dezincing of galvanized steel | Rodney L. LeRoy, M. Barakat I. Janjua | 1994-04-12 |
| 5200042 | Process to recover pure copper during purification of zinc sulfate solution | Carole Allen, Francis Belanger | 1993-04-06 |
| 5019172 | Chemical treatment of aluminum cathodes in zinc electrowinning | Terry Murphy, Jean-Pierre St-Onge, Daniel Daoust | 1991-05-28 |