Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8778134 | Process for producing microfibrillated cellulose | Marianna Vehvilainen, Taina Kamppuri, Maarit Peltola, Ali Harlin | 2014-07-15 |
| 8647468 | Process for producing microfibrillated cellulose | Isto Heiskanen, Kaj Backfolk, Marianna Vehvilainen, Taina Kamppuri | 2014-02-11 |
| 8492125 | Method for dissolving cellulose and a cellulosic product obtained from a solution comprising dissolved cellulose | Marianna Vehvilainen, Taina Kamppuri, Maija Jarventausta | 2013-07-23 |
| 5622666 | Modified viscose fibres and method for their manufacture | Henryk Struszczyk, Olli Kivekas, Antoni Niekraszewicz | 1997-04-22 |