Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10611885 | Products extracted from black liquor | Tobias Wittmann | 2020-04-07 |
| 9902816 | Method for extracting lignin from black liquor and products produced thereby | Tobias Wittmann | 2018-02-27 |