Gezinus Van Weert

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Caledon East, CA

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Patents Grantslast 30 patents

Information Patent Grant
Production of zinc oxide from complex sulfide concentrates using ch...
- Patent number 6,395,242
- Issue date May 28, 2002
- Noranda Inc.
- Carole Allen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering gold from refractory sulfidic ores
- Patent number 5,013,359
- Issue date May 7, 1991
- Hydrochem Developments Ltd.
- Kenneth J. Fair
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Oxidation process for releasing metal values in which nitric acid i...
- Patent number 4,834,793
- Issue date May 30, 1989
- Hydrochem Developments Ltd.
- John C. Schneider
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Reduction of zinc oxide from complex sulfide concentrates using chl...
- Publication number 20020159927
- Publication date Oct 31, 2002
- Carole Allen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Electrolytic production of magnesium
- Publication number 20020014416
- Publication date Feb 7, 2002
- Gezinus Van Weert
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR