Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809795 | Extraction of nitrogen from organic materials through ammonification by mixed bacterial populations | Ilona Oksanen, Susanna Kääriäinen, Nina Virolainen, Saara Hernesniemi | 2017-11-07 |
| 9670508 | Biogas process with nutrient recovery | Ari Ketola, Minna Lahtinen, Jarkko Nummela, Nina Virolainen, Ilkka Virkajärvi | 2017-06-06 |
| 9090914 | Extraction of nitrogen from organic materials through ammonification by mixed bacterial populations | Ilona Oksanen, Susanna Kääriäinen, Nina Virolainen, Saara Hernesniemi | 2015-07-28 |
| 8574889 | Method for processing biological material | Veikko LATVALA, Ari Ketola, Ilona OSKANEN, Maiju LAAKSONEN, Elisa Lensu | 2013-11-05 |