Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393407 | Silicon oxide slurry and method for producing such slurry | Magne Dastol, Cor Oldenziel, Bjorn Vassoy | 2008-07-01 |
| 6696035 | Method for production of white microsilica | Magne Dastol, Halvard Tveit, Per Ronning, Svein Harsaker | 2004-02-24 |
| 4935060 | Hydraulic cement slurry | — | 1990-06-19 |
| 4933031 | Hydraulic cement slurry | Nils Blomberg, Per J. Svenkerud, Bjorn Vassoye | 1990-06-12 |