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Ahmed Vahed
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Oakville, CA
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Patents Grants
last 30 patents
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Patent Grant
System and method for extracting base metal values from oxide ores
Patent number
8,961,649
Issue date
Feb 24, 2015
Vale Canada Limited
Antonio Clareti Pereira
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for manufacturing prefluxed metal oxide from metal hydroxid...
Patent number
8,574,540
Issue date
Nov 5, 2013
Vale S.A.
Geoffrey Edwin Osborne
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for production of nickel and cobalt using metal hydroxide,...
Patent number
8,557,019
Issue date
Oct 15, 2013
Vale Inco Limited
Geoffrey Edwin Osborne
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
PROCESS FOR PRODUCTION OF NICKEL AND COBALT USING METAL HYDROXIDE,...
Publication number
20090249921
Publication date
Oct 8, 2009
VALE INCO LIMITED
Geoffrey Edwin Osborne
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SYSTEM AND METHOD FOR EXTRACTING BASE METAL VALUES FROM OXIDE ORES
Publication number
20090241731
Publication date
Oct 1, 2009
VALE INCO LIMITED
Antonio Clareti Pereira
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PROCESS FOR MANUFACTURING PREFLUXED METAL OXIDE FROM METAL HYDROXID...
Publication number
20090208405
Publication date
Aug 20, 2009
VALE INCO LIMITED
Geoffrey Edwin Osborne
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...