Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6258208 | Method for complex treatment of pulp in conjunction with a chlorine dioxide stage | Otto S. A. G. Lindeberg, Lars A. G. Ahlenius, Sture E. O. Noreus | 2001-07-10 |
| 6126782 | Method for non-chlorine bleaching of cellulose pulp with a totally closed counter-current liquid circuit | Lars A. G. Ahlenius, Otto S. A. G. Lindeberg, Sture E. O. Noreus | 2000-10-03 |
| 5628875 | Method for clarifying green liquor by monitoring the calcium concentration in the spent liquor prior to or at combustions | Leif I. Andersson | 1997-05-13 |