Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8487022 | Composition for surface colouration of paper | Michael Lennartz, Charles Hunger | 2013-07-16 |
| 8304533 | Cationic polysaccharide, its preparation and use | Bengt-Erik Knubb, Holger Reinicke | 2012-11-06 |
| 6187144 | Method for sizing paper | Hannu Ketola, Tuija Andersson, Sauli Laakso, Antti Likitalo | 2001-02-13 |