Specialized metallurgical processes – compositions for use therei – Processes – Producing or treating free metal
Patent
1989-09-13
1991-01-08
Lechert, Jr., Stephen J.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or treating free metal
75617, C22G 5400
Patent
active
049832158
ABSTRACT:
The present invention relates to the reduction of zirconium and hafnium tetrachloride by magnesium or sodium metal and, more particularly, to an improved reaction vessel design for the reduction reaction including a novel liquid metal seal.
REFERENCES:
patent: 4637831 (1987-01-01), Stoltz et al.
patent: 4668287 (1987-05-01), Kwon
Finden Peter T.
Walsh, Jr. Ronald E.
Yau Te-Lin
Lechert Jr. Stephen J.
Teledyne Industries Inc.
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