Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777342 | Separation and recovery of xylose using weakly basic anion exchange resins | Nina Nurmi, Jari Mattila, Kari Laiho, Kati Kekalainen | 2017-10-03 |
| 9109265 | Process for separation of Ca- or Mg-sulfite spent liquor to yield crystalline xylose | Heikki Heikkila | 2015-08-18 |
| 9068236 | Process of producing xylose and dissolving pulp | Heikki Heikkila, Mirja Lindroos, Pia Saari | 2015-06-30 |
| 8921541 | Separation process | Heikki Heikkila, Hannu Koivikko, Mika Manttari, Jari Mattila | 2014-12-30 |
| 8192629 | Separation process | Jyrki Airaksinen, Heikki Heikkila, Kari Laiho | 2012-06-05 |
| 7959811 | Separation process | Jyrki Airaksinen, Heikki Heikkila, Kari Laiho, Paivi Sarmala | 2011-06-14 |
| 7303682 | Distributing or collecting device | Hannu Paananen, Heikki Heikkila, Esko Varteva | 2007-12-04 |
| 7229558 | Chromatographic separation method | Heikki Heikkila, Jarmo Kuisma | 2007-06-12 |
| 7060188 | Separation system and process | Hannu Paananen, Jarmo Kuisma, Heikki Heikkila, Vili Ravanko, Ari Kärki | 2006-06-13 |
| 7037378 | Separation of sugars | Juho Jumppanen, Vili Ravanko, Heikki Heikkila, Juha Nurmi, Nina Nurmi +2 more | 2006-05-02 |
| 7022239 | Method for fractionating liquid mixtures | Heikki Heikkila, Jarmo Kuisma, Hannu Paananen, Vili Ravanko, Jukka Rinne | 2006-04-04 |
| 7001521 | Distributing or collecting device | Hannu Paananen, Heikki Heikkila, Esko Varteva | 2006-02-21 |
| 6896811 | Chromatographic separation method | Heikki Heikkila, Jarmo Kuisma | 2005-05-24 |
| 6770757 | Method for recovering products from process solutions | Hannu Paananen, Jarmo Kuisma, Vili Ravanko, Nina Mayra, Heikki Heikkila | 2004-08-03 |
| 6663780 | Method for the fractionation of molasses | Heikki Heikkila, Hannu Paananen, Jarmo Kuisma, Goran Hyoky, Kaj-Erik Monten | 2003-12-16 |