Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461577 | Two-stage bioleaching of sulphidic material containing arsenic | Börje Lindström, Ake Sandstrom | 2002-10-08 |
| 6413296 | Recovery of gold from refractory ores and concentrates of such ores | — | 2002-07-02 |
| 6406676 | Method of purifying acid leaching solution by precipitation and oxidation | — | 2002-06-18 |
| 6383255 | Method for recovering the valuable metal content of a sulphuric acid leaching solution | — | 2002-05-07 |
| 6342189 | Method for total precipitation of valuable metals from an acid leaching solution | — | 2002-01-29 |