Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018835 | Biomass upgrading system | Christer Gustavsson, Anton Larsson, Martin Seemann, Henrik Thunman, David Pallarès +1 more | 2024-06-25 |
| 11149221 | Thermochemical conversion of biomass | Erik Furusjo, Kentaro Umeki, Rikard Gebart | 2021-10-19 |
| 10988707 | Method for thermal treatment of tall oil pitch (TOP) | Valeri Naydenov, Christian Hulteberg | 2021-04-27 |
| 10138578 | Alkali recycle in cellulose spinning process | Bengt Hagström, Tobias Köhnke, Artur HEDLUND, Marta Bialik | 2018-11-27 |
| 9719047 | Biorefining of crude tall oil | Valeri Naydenov, Johan Lundback | 2017-08-01 |
| 9499767 | Biorefining of crude tall oil | Valeri Naydenov, Johan Lundback | 2016-11-22 |
| 9221869 | Recovery of phytosterols from residual vegetable oil streams | Valeri Naydenov | 2015-12-29 |
| 8735637 | Conversion of crude tall oil to renewable feedstock for diesel range fuel compositions | Valeri Naydenov | 2014-05-27 |
| 8617354 | Shaped cellulose manufacturing process combined with a pulp mill recovery system | — | 2013-12-31 |
| 8252141 | Method for recovering a low sodium content lignin fuel from black liquor | Curt Lindstrom | 2012-08-28 |
| 6946057 | Alkaline process for the manufacturing of pulp using alkali metaborate as buffering alkali | — | 2005-09-20 |
| 6770168 | Process for oxygen pulping of lignocellulosic material and recorvery of pulping chemicals | — | 2004-08-03 |
| 6336994 | Totally chlorine free bleaching process using recovered filtrate | Ake Backlund, Bengt Nilsson | 2002-01-08 |
| 6143130 | Polysulfide pulping process | Mikael Linstrom | 2000-11-07 |
| 5814189 | Method for gasifying cellulose spent liquor to produce superheated steam and green liquor of low carbonate concentration | Nils Bernard | 1998-09-29 |
| 5746886 | Method for the recovery of energy and chemicals from cellulose spent liquor containing potassium using a gasifier | Ake Backlund | 1998-05-05 |
| 5683549 | Process for the partial combustion of cellulose spent liquor using twin fluid nozzle burner | — | 1997-11-04 |
| 5628872 | Method for bleaching pulp with hydrogen peroxide recovered from cellulosic spent liquor | Ake Backlund, Ove Wallergard | 1997-05-13 |
| 5556605 | Method of seperating sulphur compounds | — | 1996-09-17 |
| 5507141 | Process for recovering energy from a combustible gas | — | 1996-04-16 |
| 5352333 | Process for the partial combustion of cellulose spent liquor using twin-fluid nozzle burner | — | 1994-10-04 |
| 5205908 | Purification of process gas from a partial combustion of black liquor | Nils Bernhard | 1993-04-27 |
| 4602970 | Method of stabilizing emulsion explosives | — | 1986-07-29 |
| 4599089 | Coal-water dispersion | Bjorn Lindman | 1986-07-08 |
| 4580723 | Method for atomizing dispersions or solutions containing particles | — | 1986-04-08 |