Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625728 | Process for the simultaneous production of xylitol and ethanol | Olli-Pekka Eroma, Heikki Heikkila, Heikki Ojamo, Paivi Sarmala, Goran Hyoky +2 more | 2009-12-01 |
| 7109005 | Process for the simultaneous production of xylitol and ethanol | Olli-Pekka Eroma, Heikki Heikkila, Heikki Ojamo, Paivi Sarmala, Goran Hyoky +2 more | 2006-09-19 |
| 6846657 | Process for the simultaneous production of xylitol and ethanol | Heikki Heikkila, Goran Hyoky, Marja-Leena Sarkki, Tapio Viljava | 2005-01-25 |
| 5081026 | Method for the production of xylitol | Heikki Heikkila, Juha Nurmi, Marja Toyryla | 1992-01-14 |