Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9011640 | Method for obtaining cellulose from biomass comprising lignocellulose | Andreas Kreipl | 2015-04-21 |
| 8152960 | Lignocellulosic fibrous material made of wood | Hans-Ludwig Schubert, Esa Aalto, Othar Kordsachia, Christoph Storz | 2012-04-10 |
| 7182836 | Method for delignifying lignocellulosic raw materials | Othar Kordsachia, Bjorn Rose | 2007-02-27 |
| 6136041 | Method for bleaching lignocellulosic fibers | Thomas Jaschinski | 2000-10-24 |
| 5338405 | Production of fiber pulp by impregnating the lignocellulosic material with an aqueous alcoholic SO.sub.2 solution prior to defibration | Georg Rachor | 1994-08-16 |
| 4767500 | Sulfite cooking method for the production of cellulose from materials containing lignocellulose with recovery of the cooking chemicals | Othar Kordsachia | 1988-08-30 |
| 4743339 | Method for controlling the digestion of pulp by IR spectroscopy | Oskar Faix, Ulrich Welkener | 1988-05-10 |