Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10590510 | Method for recovering precious metal | Kaj Jansson, Tuukka Kotiranta | 2020-03-17 |
| 9617621 | Method for treating a solution containing zinc sulphate | Justin Salminen, Teppo Riihimäki | 2017-04-11 |
| 9057116 | Method for enhancing solid-liquid separation in conjunction with laterite leaching | Teppo Riihimäki, Jaakko Leppinen, Liisa Haavanlammi | 2015-06-16 |
| 8974755 | Method for separating nickel from material with low nickel content | Jaakko Leppinen, Teppo Riihimäki | 2015-03-10 |
| 8790516 | Method for removing arsenic as scorodite | Jaakko Leppinen, Ville Miettinen | 2014-07-29 |
| 8540950 | Method for the removal of chloride from zinc sulphate solution | Kurt Svens, Antti Arpalahti, Karoliina Lepistö | 2013-09-24 |
| 8398740 | Method for the production of metal powder | Seppo Heimala | 2013-03-19 |
| 7811357 | Method for recovering rare metals in zinc leaching process | Marko Lahtinen, Kurt Svens, Stig-Göran Huldén, Sigmund Fugleberg | 2010-10-12 |
| 7811534 | Method for the treatment of copper-bearing materials | Stig-Erik Hultholm, Seppo Heimala, Teemu Ritasalo | 2010-10-12 |
| 7789332 | Method for controlling oxygen when separating minerals from a slurry | Seppo Heimala, Heikki Laurila | 2010-09-07 |
| 7510593 | Method for producing concentrates | Seppo Heimala | 2009-03-31 |
| 7494528 | Method for smelting copper concentrates | Seppo Heimala | 2009-02-24 |