Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Reexamination Certificate
2006-11-10
2009-08-11
Wyszomierski, George (Department: 1793)
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
C075S734000, C075S736000
Reexamination Certificate
active
07572317
ABSTRACT:
Precious metal recovery by thiosulfate leaching where thiosulfate lixiviant is generated in situ employing elemental sulfur generated from partial oxidation of sulfidic precious metal-bearing feed and/or employing reactants from processing effluent.
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Aylmore Mark Graham
Choi Yeonuk
Kondos Peter
McMullen Jacques
Weert Gus Van
Barrick Gold Corporation
McGuthry-Banks Tima M
Senniger Powers LLP
Wyszomierski George
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