Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6325891 | Method of bleaching pulp without using chlorine chemicals in a (QP)Z bleaching sequence | Anders Bergqvist, Lars-Ove Larsson, Erik Nilsson | 2001-12-04 |
| 6149766 | Process for peroxide bleaching of chemical pulp in a pressurized bleaching vessel | Ulla Ekstrom, Erik Nilsson, Lars-Ove Larsson | 2000-11-21 |
| 5593544 | Pulp production | Christer Fahlgren, Soren Gustavsson, Ewa W. Johansson | 1997-01-14 |
| 5571377 | Process for peroxide bleaching of chemical pulp in a pressurized bleach vessel | Ulla Ekstroom, Erik Nilsson, Lars-Ove Larsson | 1996-11-05 |