Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678324 | Method for improving biodegradation resistance and dimensional stability of cellulosic products | Pertti Viitaniemi, Pentti Ek, Hannu Viitanen | 1997-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678324 | Method for improving biodegradation resistance and dimensional stability of cellulosic products | Pertti Viitaniemi, Pentti Ek, Hannu Viitanen | 1997-10-21 |