Collecting agent for sulphidic ores, the production and use...

Details Collecting agent for sulphidic ores, the production and use... Collecting agent for sulphidic ores, the production and use...

2006-09-12

2006-09-12

Lithgow, Thomas M. (Department: 1724)

Classifying, separating, and assorting solids

Fluid suspension

Liquid

C252S061000

Reexamination Certificate

active

07104404

ABSTRACT:
A method for the flotation of sulfide ores is disclosed. The method comprises contacting the sulfide ores with a composition comprising at least one compound of the formulawhereR1, R2and R3independently of one another are alkyl groups having 1 to 18 carbon atoms, alkenyl groups having 2 to 18 carbon atoms, aryl groups having 6 to 10 carbon atoms, or alkylaryl groups having 7 to 10 carbon atoms.

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English Abstract of DE 40 40 475, Jul. 4, 1991.

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