Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352290 | Device and method for dispersing two solutions in each other in solvent extraction | Launo L. Lilja, Eero Ekman, Bror Nyman | 2016-05-31 |
| 9322079 | Method for recovering copper from a copper sulphide ore | Leif Rosenback, Mika Haapalainen | 2016-04-26 |
| 8926924 | Extraction process | Bror Nyman, Erkki Paatero, Eero Ekman | 2015-01-06 |
| 8020710 | Method and equipment for liquid-liquid extraction | Bror Nyman, Eero Ekman, Pertti Pekkala, Juhani Lyyra, Launo L. Lilja +1 more | 2011-09-20 |
| 7811534 | Method for the treatment of copper-bearing materials | Seppo Heimala, Teemu Ritasalo, Mikko Ruonala | 2010-10-12 |
| 7749302 | Method for the hydrometallurgical treatment of sulfide concentrate containing several valuable metals | Olli Hyvärinen | 2010-07-06 |
| 7678275 | Method and equipment for liquid-liquid extraction | Bror Nyman, Eero Ekman, Pertti Pekkala, Juhani Lyyra, Launo L. Lilja +1 more | 2010-03-16 |
| 7547348 | Method for the recovery of metals using chloride leaching and extraction | Olli Hyvärinen | 2009-06-16 |
| 7517461 | Method and equipment to control separation of a dispersion liquid-liquid extraction | Bror Nyman, Eero Ekman, Launo L. Lilja, Juhani Lyyra, Pertti Pekkala +1 more | 2009-04-14 |
| 7465402 | Method and equipment for guiding dispersion in liquid-liquid extraction | Bror Nyman, Eero Ekman, Launo L. Lilja, Juhani Lyyra, Pertti Pekkala +1 more | 2008-12-16 |
| 7390420 | Method and equipment for compressing a dispersion in liquid-liquid extraction | Bror Nyman, Eero Ekman, Launo L. Lilja, Juhani Lyyra, Pertti Pekkala +1 more | 2008-06-24 |
| 7390468 | Extraction process | Pertti Pekkala, Bror Nyman, Juhani Lyyra, Raimo Kuusisto, Eero Ekman | 2008-06-24 |
| 7247282 | Method for the removal of metals from an aqueous solution using lime precipitation | Bror Nyman, Juhani Salmi, Jarmo Sivonen | 2007-07-24 |
| 7070174 | Mixing apparatus for mixing gas in a closed reactor | Mikko Juusela, Launo L. Lilja, Bror Nyman | 2006-07-04 |
| 6706186 | Method for extracting copper from an aqueous solution | Bror Nyman, Launo L. Lilja, Esa Lindell, Eero Ekman, Juhani Lyyra +2 more | 2004-03-16 |
| 6432370 | Method and apparatus for controllably conducting a solution, obtained from liquid-liquid extraction of two solutions and mixed into dispersion, to a wide settler | Bror Nyman, Launo L. Lilja, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2002-08-13 |
| 6267900 | Method and apparatus for adjusting the boundary surface between two controllably flowing and mutually separable and for conducting both solutions out of the separation part | Bror Nyman, Launo L. Lilja, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2001-07-31 |
| 6176608 | Method and apparatus for conducting the two solutions of liquid-liquid extraction, mixed into dispersion, in a controlled fashion into the separation part | Bror Nyman, Launo L. Lilja, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2001-01-23 |
| 6132615 | Method and apparatus for creating controlled flows in two mutually separable solutions | Bror Nyman, Launo L. Lilja, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2000-10-17 |
| 6083400 | Method and apparatus for recirculating a heavier solution from the separation part of two separable solutions into a mixing unit | Bror Nyman, Launo L. Lilja, Juhani Lyyra, Raimo Kuusisto, Petri Taipale +1 more | 2000-07-04 |
| 6039790 | Method for recovering nickel hydrometallurgically from two different nickel mattes | Sigmund Fugleberg | 2000-03-21 |
| 5779997 | Method for preventing the formation of jarosite and ammonium and alkali based double salts in solvent extraction circuits connected to acidic leaching processes | Bror Nyman | 1998-07-14 |
| 5628817 | Method for leaching nickel-copper matte employing substantially neutral leaching solutions | Sigmund Fugleberg, Terry Holohan | 1997-05-13 |
| 5248485 | Method for mixing liquid, solids and gas and for simultaneously separating gas or gas and solids from the liquid | Launo L. Lilja, Valto J. Makitalo, Bror Nyman | 1993-09-28 |
| 5188808 | Method for mixing liquid, solids and gas and for simultaneously separating gas or gas and solids from the liquid | Launo L. Lilja, Valto J. Makitalo, Bror Nyman | 1993-02-23 |