Marianne ENGVOLL

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KRISTIANSAND, NO

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Patents Grantslast 30 patents

Information Patent Grant
Method for electrolytic production and refining of metals
- Patent number 7,901,561
- Issue date Mar 8, 2011
- Elkem AS
- Kai Johansen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR ELECTROLYTIC PRODUCTION AND REFINING OF METALS
- Publication number 20070215483
- Publication date Sep 20, 2007
- ELKEM AS
- Kai JOHANSEN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR