Rein Raudsepp

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St. Albert, CA

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Patents Grantslast 30 patents

Information Patent Grant
Solvent extraction process for the separation of cobalt from nickel...
- Patent number 6,231,823
- Issue date May 15, 2001
- Dynatec Corporation
- Roman Michael Genik-Sas-Berezowsky
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Upgrading copper sulphide residues containing nickel and arsenic
- Patent number 5,344,479
- Issue date Sep 6, 1994
- Sherritt Gordon Limited
- Derek G. E. Kerfoot
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...