Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235151 | Inhibiting scaling in alkaline waste liquor evaporators | Heikki Jaakkola, Erkki Kiiskila | 2001-05-22 |
| 5837096 | Falling film evaporator | Juhani Hoikkala, Krister Sannholm, Ake Schonberg, Erik Agren | 1998-11-17 |
| 5382321 | Process for the concentration of spent liquors | Erik Agren | 1995-01-17 |