Polycarboxylic acid derivatives and uses

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

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252 61, B03D 114

Patent

active

045334668

ABSTRACT:
Mercapto polycarboxylic acids, especially the trithiocarbonate derivatives thereof and alkali metal salts, are employed as treating agents in mineral recovery operations.

REFERENCES:
patent: 1833740 (1931-11-01), Derby et al.
patent: 2449984 (1948-09-01), Gibbs
patent: 3464899 (1969-09-01), Chessin et al.
patent: 3796645 (1974-03-01), Fujita et al.
patent: 4329223 (1982-05-01), Ramadorai et al.
patent: 4425230 (1984-01-01), Andress et al.

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