Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560437 | Process for delignification of chemical wood pulp using sodium sulphite or bisulphite prior to oxygen-alkali treatment | Sverre Storebraten | 1985-12-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560437 | Process for delignification of chemical wood pulp using sodium sulphite or bisulphite prior to oxygen-alkali treatment | Sverre Storebraten | 1985-12-24 |