IP Library › Granted Patent US 5,171,428
Granted Patent Utility
US 5,171,428 · App. 07/799,325

Flotation separation of arsenopyrite from pyrite

Inventors: Morris J. V. Beattie, Jean P. Duteroue
Patented Case View Patent ↗
Granted: Dec 15, 1992 Filed: Nov 27, 1991
Inventors
Morris J. V. Beattie
Jean P. Duteroue

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Quick Facts
Patent No.
US 5,171,428
App. No.
07/799,325
Filed
1991-11-27
Granted
1992-12-15
Kind
A