Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Reexamination Certificate
2011-04-12
2011-04-12
Wyszomierski, George (Department: 1733)
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
C205S571000, C423S026000, C209S164000
Reexamination Certificate
active
07922788
ABSTRACT:
The present invention is directed to flotation of refractory gold sulfide ores in which the ore is ground, floated, the tailings reground, and refloated to produce gold-bearing concentrates.
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Gorain Barun
Hillier Daniel
McMullen Jacques
Barrick Gold Corporation
McGuthry-Banks Tima M
Sheridan & Ross P.C.
Wyszomierski George
LandOfFree
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