Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4606722 | Firing of lime sludge reburning kilns with a solid fuel | — | 1986-08-19 |
| 4401510 | Process for heating up wood chips prior to steaming and pulping | Torbjorn Olson, Carl-Johan Candolin | 1983-08-30 |