Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9352290 | Device and method for dispersing two solutions in each other in solvent extraction | Launo L. Lilja, Stig-Erik Hultholm, Bror Nyman | 2016-05-31 |
| 9010548 | Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell | Bror Nyman, Pertti Pekkala, Hannu Laitala, Rami Saario | 2015-04-21 |
| 8961795 | Apparatus and method for removing impurities in connection with liquid-liquid extraction of copper | Hannu Laitala, Erkki Paatero, Bror Nyman | 2015-02-24 |
| 8926924 | Extraction process | Bror Nyman, Erkki Paatero, Stig-Erik Hultholm | 2015-01-06 |
| 8858799 | Method and arrangement for separating two solutions mixed in dispersion into two solution phases in a liquid-liquid extraction separation cell | Bror Nyman, Pertti Pekkala, Hannu Laitala, Rami Saario | 2014-10-14 |
| 8020710 | Method and equipment for liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Pertti Pekkala, Juhani Lyyra, Launo L. Lilja +1 more | 2011-09-20 |
| 7731853 | Method and equipment for purifying an extraction solution from aqueous entrainment and impurities | Juhani Lyyra, Pertti Pekkala, Raimo Kuusisto, Bror Nyman, Jussi Vaarno | 2010-06-08 |
| 7704398 | Method and apparatus for purification of an aqueous solution from droplets of extraction solution | Pertti Pekkala, Raimo Kuusisto, Juhani Lyyra, Bror Nyman | 2010-04-27 |
| 7695625 | Method and apparatus for purification of slightly water-soluble organic solution from aqueous entrainment | Juhani Lyyra, Pertti Pekkala, Raimo Kuusisto, Bror Nyman | 2010-04-13 |
| 7678275 | Method and equipment for liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Pertti Pekkala, Juhani Lyyra, Launo L. Lilja +1 more | 2010-03-16 |
| 7517461 | Method and equipment to control separation of a dispersion liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, 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, Stig-Erik Hultholm, 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, Stig-Erik Hultholm, Launo L. Lilja, Juhani Lyyra, Pertti Pekkala +1 more | 2008-06-24 |
| 7390468 | Extraction process | Pertti Pekkala, Bror Nyman, Juhani Lyyra, Raimo Kuusisto, Stig-Erik Hultholm | 2008-06-24 |
| 6706186 | Method for extracting copper from an aqueous solution | Bror Nyman, Stig-Erik Hultholm, Launo L. Lilja, Esa Lindell, Juhani Lyyra +2 more | 2004-03-16 |