Production of magnetic powder
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United States of America Patent
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May 24, 1983
Issued Date -
N/A
app pub date -
Feb 11, 1981
filing date -
Mar 16, 1978
priority date (Note) -
Expired
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Abstract
The magnetic characteristics of magnetic powder consisting mainly of iron are improved by pre-treating the starting material from which the magnetic powder is prepared by reductions, with an aqueous solution and/or suspension of one member selected from the group consisting of zinc, chromium and copper compounds and mixtures thereof.
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