Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10815617 | Method for generation of clean steam in a continous digester system | Jari Miettinen, Keyla Miettinen, Kjell Ljungkvist | 2020-10-27 |
| 10151063 | Cost efficient kraft cooking method using polysulfide cooking liquor | Stefan Antonsson | 2018-12-11 |
| 8986500 | Arrangement and method for the continuous steam pre-treatment of chips during the production of cellulose pulp | Anders Samuelsson, Jonas Saetherasen | 2015-03-24 |
| 8647473 | Continuous digester with a bottom scraper equipped with draining apertures | — | 2014-02-11 |
| 8366802 | Cyclone with improved separation of gas from gas laden liquid streams also at reduced flow volumes | — | 2013-02-05 |
| 7501043 | Steam treatment of chips with the addition of an acid liquid | Vidar Snekkenes | 2009-03-10 |
| 7445691 | Impregnation of chips with an acid liquid prior to a sulphate pulping process | Vidar Snekkenes | 2008-11-04 |
| 7217338 | Process for continuously cooking chemical cellulose pulp | Catrin Gustavsson, Mikael Lindstrom, Vidar Snekkenes | 2007-05-15 |
| 7214291 | Method for the modification of cellulose fibres | Catrin Gustavsson, Vidar Snekkenes | 2007-05-08 |
| 6468390 | Method for continuous cooking of lignocellulosic fiber material | Vidar Snekkenes, Bror Lennart Gustavsson, Ernst Mikael Lindström | 2002-10-22 |
| 6203662 | Method for the continuous cooking of pulp in a digester system having a top separator | Vidar Snekkenes, Johan Engstrom, Mikael Lindstrom, Christofer Lindgren, Soren Gustavsson | 2001-03-20 |
| 6159336 | Method and device for the continuous cooking of pulp | Johan Engstrom, Vidar Snekkenes, Mikael Lindstrom, Christofer Lindgren, Soren Gustavsson | 2000-12-12 |
| 6123807 | Method for the continuous cooking of pulp | Johan Engstrom, Vidar Snekkenes, Soren Gustavsson, Christofer Lindgren, Mikael Lindstrom | 2000-09-26 |