Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777033 | Method for lignin separation from black liquor | Fredrik Ohman, Hans Theliander, Per Tomani | 2017-10-03 |
| 9382389 | Method for separating lignin from black liquor, a lignin product, and use of a lignin product for the production of fuels or materials | Fredrik Ohman, Hans Theliander, Per Tomani | 2016-07-05 |
| 8815052 | Method for separating lignin from a lignin containing liquid/slurry | Fredrik Ohman, Hans Theliander, Magnus Norgren, Per Tomani | 2014-08-26 |
| 8486224 | Method for separating lignin from black liquor | Fredrik Ohman, Hans Theliander, Per Tomani | 2013-07-16 |
| 8172981 | Separating lignin from black liquor by precipitation, suspension and separation | Per Tomani, Fredrik Ohman, Hans Theliander | 2012-05-08 |
| 7303649 | Removal of inorganic elements from wood chips | Harald Brelid | 2007-12-04 |
| 4678654 | Process for production of chlorine dioxide | Ulla-Kari Holmstrom, Lage M. Sandgren, Maria Norell | 1987-07-07 |