Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893538 | Process for the production of paper using silica-based sols | Peter Greenwood, Hans Johansson-Vestin | 2005-05-17 |
| 6500870 | Method for manufacturing of silica sols | Bozena Tokarz, Kenneth Larsson | 2002-12-31 |
| 6398908 | Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound | Wenche Elisabeth Hermansson, Lennart Andersson, Jiri Basta, Lillemor Holtinger | 2002-06-04 |
| 6379500 | Silica-based sols | Peter Greenwood, Hans Johansson-Vestin | 2002-04-30 |
| 6007678 | Process for delignification of lignocellulose-containing pulp with an organic peracid or salts thereof | Jiri Basta, Ann-Sofie Hallstrom | 1999-12-28 |
| 5980717 | Recovery process in a pulp mill | Roland Pudas, Roy Hammer-Olsen, Bjorn H. Svedin, Ingrid Velander | 1999-11-09 |
| 5785812 | Process for treating oxygen delignified pulp using an organic peracid or salt, complexing agent and peroxide bleach sequence | Jiri Basta, Ann-Sofie Hallstrom | 1998-07-28 |