Roald Gundersen

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Vennesla, NO

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Patents Grantslast 30 patents

Information Patent Grant
Method for upgrading of silicon-containing residues obtained after...
- Patent number 5,772,728
- Issue date Jun 30, 1998
- Elkem ASA
- Inger Johanne Eikeland
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for treatment of residues from organochlorosilane and/or chl...
- Patent number 5,651,807
- Issue date Jul 29, 1997
- Elkem A/s
- Roald Gundersen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for recovering iron chloride, aluminum chloride and calcium...
- Patent number 5,585,080
- Issue date Dec 17, 1996
- Elkem A/s
- Einar Andersen
- C01 - INORGANIC CHEMISTRY