Ake Sandstrom

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Lule.ang., SE

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Patents Grantslast 30 patents

Information Patent Grant
Two-stage bioleaching of sulphidic material containing arsenic
- Patent number 6,461,577
- Issue date Oct 8, 2002
- Boliden Mineral AB
- Börje Lindström
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for processing complex metal sulphide materials
- Patent number 5,397,380
- Issue date Mar 14, 1995
- Boliden Mineral AB
- Stig A. Petersson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...