Froth flotation of fine particles
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United States of America Patent
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Apr 19, 1994
Issued Date -
N/A
app pub date -
Nov 23, 1992
filing date -
Mar 28, 1991
priority date (Note) -
Expired
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Abstract
Additive composition for use in separating particles of a desired material from particles of an undesired material in a froth flotation process using a frother. The composition includes an alkylated polymer of vinylpyrrolidone and a liquid carrier comprising the frother.
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