Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...
Reexamination Certificate
2005-09-13
2005-09-13
Wyszomierski, George (Department: 1742)
Specialized metallurgical processes, compositions for use therei
Processes
Producing or purifying free metal powder or producing or...
C075S368000, C075S371000, C075S619000
Reexamination Certificate
active
06942715
ABSTRACT:
A process for producing metallic titanium includes forming metallic titanium fine particles by supplying liquid or mist titanium tetrachloride from above the surface of a reaction bath liquid containing fused magnesium and fused magnesium chloride in a reaction vessel to effect a reaction, wherein a circulating flow perpendicular to the bath surface of the reaction bath liquid is generated or extended just under the bath surface by imparting a stirring force to the reaction bath liquid so as to generate or increase an upward flow rate of the reaction bath liquid in at least part of the region at a depth of more than 100 mm below the bath surface.
REFERENCES:
patent: 4518426 (1985-05-01), Murphy
patent: 5032176 (1991-07-01), Kametani et al.
patent: 5259862 (1993-11-01), White et al.
Ampo Shigeo
Ito Nobuaki
Kato Ken-ichi
Yamaguchi Masanori
Toho Titanium Co., Ltd.
Wyszomierski George
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