Specialized metallurgical processes – compositions for use therei – Processes – Producing or purifying free metal powder or producing or...
Patent
1993-04-22
1995-12-05
Walsh, Donald P.
Specialized metallurgical processes, compositions for use therei
Processes
Producing or purifying free metal powder or producing or...
75367, 423439, 423440, 4235611, 423565, 423605, 423606, 423608, 423632, 423633, 423659, 427215, C01G 2114
Patent
active
054724775
ABSTRACT:
The present invention relates to a process for the preparation of finely divided metal and/or ceramic powders by reacting appropriate metal compounds and appropriate reagents in the gas phase (CVR) chemical vapor reaction, wherein the metal compound(s) and the further reagents are brought to reaction in the gaseous state in a reactor and are subsequently homogeneously condensed directly out of the gas phase, with exclusion of any wall reaction, and are subsequently separated from the reaction medium.
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G. W. Elger, D. E. Traut, G. J. Slavens and S. J. Gerdemann, "Preparation of Submicron Titanium Nitride Powder by Vapor-Phase Reactions", Metallurgical Transactions B vol. 20B, (1989) pp. 493-497.
Orbit abstract of EP 0 379 910.
Chi Anthony R.
H.C. Starck GmbH & Co. KG
Walsh Donald P.
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