Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10434521 | Differential flotation of sulfide ores for recovering refractory gold | Jari MOILANEN | 2019-10-08 |
| 9057116 | Method for enhancing solid-liquid separation in conjunction with laterite leaching | Teppo Riihimäki, Mikko Ruonala, Liisa Haavanlammi | 2015-06-16 |
| 8974755 | Method for separating nickel from material with low nickel content | Teppo Riihimäki, Mikko Ruonala | 2015-03-10 |
| 8790516 | Method for removing arsenic as scorodite | Mikko Ruonala, Ville Miettinen | 2014-07-29 |
| 7785395 | Method for the recovery of gold from sulphide concentrate | Olli Hyvärinen, Seppo Heimala, Veikko Palosaari, Matti Hämäläinen | 2010-08-31 |
| 6776292 | Apparatus for separation of solids in froth | Vladimir E. Nenno, Alexander Lashkul, Stig V. Bjorklof | 2004-08-17 |
| 4579726 | Process and apparatus for the removal of mercury from sulfur dioxide-bearing hot and moist gases | Aimo M. F. Kuivala, Jussi K. Poijarvi, Jussi K. Rastas | 1986-04-01 |
| 4385038 | Flotation recovery of lead, silver and gold as sulfides from electrolytic zinc process residues | Jussi K. Rastas, Kaarlo M. J. Saari, Vaino V. H. Hintikka, Aimo Järvinen | 1983-05-24 |