Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267829 | Method of reducing the formation of primary platelet-shaped beta-phase in iron containing alSi-alloys, in particular in Al-Si-Mn-Fe alloys | Lennart Backerud, Guocai Chai | 2001-07-31 |
| 5582791 | Method for grain refining of aluminum and grain refining alloy | Gunnar Halvorsen, Per Arne T.o slashed.ndel | 1996-12-10 |
| 5424031 | Grain refining alloy and a method for grain refining of aluminum and aluminum alloys | Gunnar Halvorsen, Per Arne Tondel | 1995-06-13 |