Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020710 | Method and equipment for liquid-liquid extraction | Bror Nyman, Eero Ekman, Stig-Erik Hultholm, Pertti Pekkala, Juhani Lyyra +1 more | 2011-09-20 |
| 7731853 | Method and equipment for purifying an extraction solution from aqueous entrainment and impurities | Eero Ekman, Juhani Lyyra, Pertti Pekkala, Bror Nyman, Jussi Vaarno | 2010-06-08 |
| 7704398 | Method and apparatus for purification of an aqueous solution from droplets of extraction solution | Pertti Pekkala, Juhani Lyyra, Bror Nyman, Eero Ekman | 2010-04-27 |
| 7695625 | Method and apparatus for purification of slightly water-soluble organic solution from aqueous entrainment | Juhani Lyyra, Pertti Pekkala, Eero Ekman, Bror Nyman | 2010-04-13 |
| 7678275 | Method and equipment for liquid-liquid extraction | Bror Nyman, Eero Ekman, Stig-Erik Hultholm, Pertti Pekkala, Juhani Lyyra +1 more | 2010-03-16 |
| 7517461 | Method and equipment to control separation of a dispersion liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Eero Ekman, Launo L. Lilja, Juhani Lyyra +1 more | 2009-04-14 |
| 7465402 | Method and equipment for guiding dispersion in liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Eero Ekman, Launo L. Lilja, Juhani Lyyra +1 more | 2008-12-16 |
| 7390468 | Extraction process | Pertti Pekkala, Bror Nyman, Juhani Lyyra, Stig-Erik Hultholm, Eero Ekman | 2008-06-24 |
| 7390420 | Method and equipment for compressing a dispersion in liquid-liquid extraction | Bror Nyman, Stig-Erik Hultholm, Eero Ekman, Launo L. Lilja, Juhani Lyyra +1 more | 2008-06-24 |
| 6706186 | Method for extracting copper from an aqueous solution | Bror Nyman, Stig-Erik Hultholm, Launo L. Lilja, Esa Lindell, Eero Ekman +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, Stig-Erik Hultholm, Juhani Lyyra, 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, Stig-Erik Hultholm, Juhani Lyyra, 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, Stig-Erik Hultholm, Juhani Lyyra, 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, Stig-Erik Hultholm, Juhani Lyyra, 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, Stig-Erik Hultholm, Juhani Lyyra, Petri Taipale +1 more | 2000-07-04 |