Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818100 | Process for sizing paper | Erik Lindgren, Sten Frolich, Barbro Magnusson | 2004-11-16 |
| 6673208 | Polysilicate microgels and silica-based materials | Marek Tokarz, Rein Sikkar | 2004-01-06 |