Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9045861 | Manufacture and use of a composite structure containing precipitated carbonate | Teemu Gronblom, Lars Gronroos | 2015-06-02 |
| 8906201 | Use of acidic water in the manufacture of paper | Pentti Virtanen | 2014-12-09 |
| 8758566 | Process for manufacturing paper or board | Pentti Virtanen | 2014-06-24 |
| 8097127 | Siliceous composition and its use in papermaking | Tero Seppala, David Robert Cordier, Christian Bruce Edmonds | 2012-01-17 |
| 5707493 | Temperature-activated polysilicic acids in paper production | — | 1998-01-13 |
| 5688482 | Temperature-activated polysilicic acids and their use in paper production processes | — | 1997-11-18 |
| 5571494 | Temperature-activated polysilicic acids | — | 1996-11-05 |