Dust suppressant for minerals
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United States of America Patent
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-
Jan 1, 1991
Grant Date -
N/A
app pub date -
Mar 28, 1989
filing date -
Mar 28, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Oil dispersions of water-soluble anionic polymer particles and water-soluble cationic polymer particles are mixed with water to form an aqueous solution containing one polymer in an amount in the range 10 to 40 mole % (moles of anionic groups) and the other polymer in an amount in the range 60 to 90 mole %. The solution is immediately applied to a surface to suppress release of dust from that surface.
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