Specialized metallurgical processes – compositions for use therei – Processes – Magnetic or electrostatic processes
Patent
1993-10-27
1995-10-17
Andrews, Melvyn
Specialized metallurgical processes, compositions for use therei
Processes
Magnetic or electrostatic processes
75688, C22B 5800
Patent
active
054586690
ABSTRACT:
A process for the purification of a raw gallium material to produce a purified gallium material having a higher purity than that of the raw gallium material having steps of:
maintaining the raw gallium material in its melted condition within a vessel having a means, for example a tube, positioned at or near a center portion of an inside of the vessel, through which means a cooling medium is passed, and
keeping the raw gallium material in the vessel at a controlled temperature so that the purified gallium material is deposited on an outer surface of the means.
Kadokura Hidekimi
Maeda Hideo
Andrews Melvyn
Sumitomo Chemical Company Limited
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