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Jose Roberto dos Santos
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Parana, BR
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last 30 patents
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Patent Grant
Chemical process for recovery of metals contained in industrial ste...
Patent number
7,871,454
Issue date
Jan 18, 2011
Mineracao Tabipora Ltda.
José Roberto dos Santos
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
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Patent Application
CHEMICAL PROCESS FOR RECOVERY OF METALS CONTAINED IN INDUSTRIAL STE...
Publication number
20090272229
Publication date
Nov 5, 2009
Jose Roberto dos Santos
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...