Gunnar H. Boe

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Kristiansand, NO

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Patents Grantslast 30 patents

Information Patent Grant
Hydrometallurgical method of extraction of copper from sulphide-con...
- Patent number 4,552,632
- Issue date Nov 12, 1985
- Elkem a/s
- Einar Andersen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing zinc from chloride solutions which contain chie...
- Patent number 4,465,569
- Issue date Aug 14, 1984
- Arne Bjune
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing zinc from chloride solutions which contain chie...
- Patent number 4,421,616
- Issue date Dec 20, 1983
- Elkem a/s
- Arne Bjune
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...