Specialized metallurgical processes – compositions for use therei – Processes – Electrothermic processes
Patent
1973-08-13
1976-12-14
Carter, Herbert T.
Specialized metallurgical processes, compositions for use therei
Processes
Electrothermic processes
423593, 423395, 423419, 423493, 423544, 423463, 75 5A, 23302A, 62534, B22F 900, C22B 3436, C01G 4100
Patent
active
039973310
ABSTRACT:
A process and apparatus for producing certain metal salts in very fine particulate form. The process comprises cooling a solution of metal salt until the solution freezes and thereafter evaporating the solvent under very low pressure. The process is particularly applicable to salts of tungsten and nickel from which sub-micron particles of tungsten and nickel can be produced.
REFERENCES:
patent: 3175881 (1965-03-01), Chiola et al.
patent: 3357819 (1967-12-01), Landsberg
patent: 3440732 (1969-04-01), Chiola et al.
patent: 3451764 (1969-06-01), MacWilliams et al.
patent: 3516935 (1970-06-01), Monforte et al.
patent: 3755530 (1973-08-01), Avila et al.
patent: 3820250 (1974-06-01), Mishkin et al.
Taylor, "Journal of American Chemical Soc." , vol. 24, 1902, pp. 629-643.
Carter Herbert T.
Crysus (Lancashire) Limited
Nilles James E.
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