Froth flotation process and collector therefor
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United States of America Patent
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May 9, 1989
Grant Date -
N/A
app pub date -
Apr 3, 1985
filing date -
Apr 4, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A froth flotation process in which an amphoteric compound is used as a collector for oxide and salt type minerals. The amphoteric compound has the formula ##STR1## in which R is a hydrocarbon group having 4 to 18 carbon atoms; n is 0 or 1;; p is a number from 0 to 5; and R.sub.1 is a hydrocarbon group having 5 to 18 carbon atoms or the group ##STR2## in which R, n and p have the above mentioned meaning; or a salt thereof.
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