Process of producing multilayer-coated composite powder
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United States of America Patent
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Jan 5, 1982
Grant Date -
N/A
app pub date -
Oct 11, 1979
filing date -
Oct 16, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multilayer-coated composite powder is produced by a first step of treating a core powder to be coated with first metallic ions and a metallic powder for reducing the first ions and thereby forming a single-layer coated powder, and a second step of treating the single-layer-coated powder with either only second metallic ions other than the first metallic ions or the second ions in the presence of a metallic powder for reducing the second ions. Where necessary, the second step is repeated the number of times required for forming a predetermined number of coating layers.
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