Novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydro

Classifying – separating – and assorting solids – Fluid suspension – Liquid

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252 61, 75 2, B03D 102

Patent

active

046997113

ABSTRACT:
The invention relates to novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamothioates) and S,S'-dithiodialkylene-bis(mono- or dihydrocarbyl carbamodithioate). The novel compounds of this invention are useful as collectors in the froth flotation of sulfide mineral ores.

REFERENCES:
patent: 4354980 (1982-10-01), Crozier
patent: 4618461 (1986-10-01), Bergman et al.

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