Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6722130 | Method of producing process steam from a black liquor | Lennart Gustavsson, Per Johan Anders Nyström | 2004-04-20 |
| 6699357 | Process for continuous cooking of pulp | Lennart Gustavsson, Sven-Erik Olsson | 2004-03-02 |