| 11649523 |
Process and apparatus for roasting of metal sulfide concentrates and/or residues |
Alexandros CHARITOS, Jörg Hammerschmidt |
2023-05-16 |
| 10894999 |
Process and apparatus for producing uranium or a rare earth element |
Maciej Wrobel, Alexandros CHARITOS, Jörg Hammerschmidt |
2021-01-19 |
| 10081848 |
Method and plant for removing arsenic and/or antimony from flue dusts |
Peter Sturm, Maciej Wrobel, Jörg Hammerschmidt, Ake Holmström, Gunnar Berg |
2018-09-25 |
| 9200345 |
Process and plant for treating ore concentrate particles containing valuable metal |
Ake Holmström, Karin Lundholm, Gunnar Berg |
2015-12-01 |
| 5223147 |
Process of treating contaminated soils |
Friedrich Rosenstock, Elmar Haite, Horst Dittmann |
1993-06-29 |
| 5094012 |
Process for decontaminating contaminated soils |
Friedrich Rosenstock, Elmar Haite |
1992-03-10 |