Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11219881 | Method for regenerating catalysts used for production of polysulphide cooking liquors | Sanna Hämäläinen, Pekka Kittilä | 2022-01-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11219881 | Method for regenerating catalysts used for production of polysulphide cooking liquors | Sanna Hämäläinen, Pekka Kittilä | 2022-01-11 |