Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9085020 | Method and apparatus for homogenizing and stabilizing an iron-bearing residue | Marko Lahtinen, Bror Nyman, Timo Haakana, Jari Tiihonen | 2015-07-21 |
| 7682581 | Method for the removal of copper from a zinc sulphate solution | Marko Lahtinen, Marika Jyrälä, Matti Vuokko | 2010-03-23 |
| 7294319 | Method for precipitating iron from a zinc sulphate solution as hematite | Marko Lahtinen, Heikki Takala | 2007-11-13 |