Process of producing metal sulfide powder coated with copper
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United States of America Patent
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Sep 9, 1980
Grant Date -
N/A
app pub date -
Nov 8, 1978
filing date -
Nov 11, 1977
priority date (Note) -
Expired
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Abstract
Metal sulfide powder coated with copper is produced by mixing powder of a metal and/or an alloy baser than copper with powder of a metal sulfide, and then adding an acidic solution containing copper ions to the resulting mixture with stirring. The metal sulfide particles are coated with metallic copper that results from a cementation reaction. Where the metal sulfide powder contains too coarse or fine particles, it is ground, granulated, and sized before the mixing.
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