Issued Patents All Time
Showing 1–5 of 5 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, Petter Tibbling | 2001-12-04 |
| 6149766 | Process for peroxide bleaching of chemical pulp in a pressurized bleaching vessel | Petter Tibbling, Ulla Ekstrom, Lars-Ove Larsson | 2000-11-21 |
| 5571377 | Process for peroxide bleaching of chemical pulp in a pressurized bleach vessel | Petter Tibbling, Ulla Ekstroom, Lars-Ove Larsson | 1996-11-05 |
| 5054217 | Hard insert for ice/snow clearing tool | Per-Goran Sjodin, Bo G. Tiback | 1991-10-08 |
| 4293596 | Surface coating method employing a temporary bonding | Allan R. B. Furendal, Bernt Larsson | 1981-10-06 |