Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5032223 | Procedure for determining and controlling the composition proportions of wood chip mixes in alkaline pulp digestion processes | Raimo Alen, Leena Paavilainen, Eero Sjostrom, Taina Sopenlehto-Pehkonen, Olavi Sundstrom | 1991-07-16 |