Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5770171 | Process for production of chlorine dioxide | Anders Dahl, John Winters | 1998-06-23 |
| 5628874 | Reduction of chloride in pulping chemical recovery systems | Hans G. Lindberg | 1997-05-13 |
| 5437791 | Method for purifying process water from pulp manufacture | Gunnar Goransson, Johan Landfors, Hans-Ake Baltsen | 1995-08-01 |
| 5423959 | Process and apparatus for the production of sulphuric acid and alkali metal hydroxide | Goran Sundstrom | 1995-06-13 |
| 5227031 | Process for the production of chlorine dioxide | — | 1993-07-13 |
| 5093097 | Process for the production of chlorine dioxide | Jörgen Engström | 1992-03-03 |
| 5061471 | Process for the production of chlorine dioxide | David C. Lovetro | 1991-10-29 |
| 4986973 | Process for the production of chlorine dioxide | Bjorn H. Svedin, Jörgen Engström | 1991-01-22 |