Bernard H. Lucas

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Ferric chloride leach of a metal-sulphide bearing material
- Patent number 4,902,344
- Issue date Feb 20, 1990
- Canadian Patents & Development Ltd.
- Bernard H. Lucas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Uranium ore processing
- Patent number 4,374,096
- Issue date Feb 15, 1983
- Canadian Patents and Development Limited
- James M. Skeaff
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of copper and zinc from complex chloride solutions
- Patent number 4,362,607
- Issue date Dec 7, 1982
- Canadian Patents and Development Limited
- Gordon M. Ritcey
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Solvent extraction of chromium and vanadium
- Patent number 4,344,924
- Issue date Aug 17, 1982
- Canadian Patents & Development Ltd.
- Bernard H. Lucas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Solvent-in-pulp extraction
- Patent number 3,969,476
- Issue date Jul 13, 1976
- Canadian Patents and Development Limited
- Bernard H. Lucas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...