Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179958 | Method for continuous cooking of cellulose-containing fibre material | Claes G. Lysen, Torbjorn Ulf Olsson | 2001-01-30 |
| 5540816 | Method of integrating bleaching and recovery in the production of pulp | Stig Andtbacka, Anders Bergqvist, Lennart Hagelquist, Daniel Pålsson | 1996-07-30 |