LS

Lars Stigsson

SA Sunpine Ab: 5 patents #2 of 4Top 50%
CA Chemrec Aktiebolag: 4 patents #2 of 7Top 30%
KA Kvaerner Pulping Ab: 3 patents #20 of 92Top 25%
AN Andritz: 1 patents #60 of 159Top 40%
KA Kvaerner Pulping Technologies Ab: 1 patents #20 of 56Top 40%
KA Kvaerner Pulping Aktiebolag: 1 patents #2 of 23Top 9%
TA Treetotextile Ab: 1 patents #5 of 7Top 75%
Overall (All Time): #160,872 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
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