Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...
Reexamination Certificate
2007-01-23
2007-01-23
Wyszomierski, George (Department: 1742)
Specialized metallurgical processes, compositions for use therei
Processes
Producing or purifying free metal powder or producing or...
C075S370000
Reexamination Certificate
active
11050921
ABSTRACT:
The invention relates to non-ferrous metallurgy and may be used for zinc and indium containing materials processing resulting in fine indium powder production by converting indium into a salt compound and subsequent treatment of the latter with a water solution in two stages using a water re-distillate and an acetic acid solution.
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Zelikman, A.N. et al., “Rare Metals Metallurgy”, Moscow: Metallurgy, 1978, pp. 467-469, 3rd Revised Edition, Moscow, Russia.
“Acquisition of Indium Powder”, Color Metals, 1988, pp. 28-29, Issue 8, Ruda i Metally Publishing House, Moscow, Russia.
Geixman Vsevolod Vladimirovich
Kazanbaev Leonid Aleksandrovich
Kolesnikov Aleksandr Vasilievich
Kozlov Pavel Aleksandrovich
Kubasov Vladimir Leonidovich
Houston Eliseeva LLP
Otkrytoe Aktsionernoe Obschestvo “Chelyabinsky Tsinkovy Z
Wyszomierski George
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