Composition formed of mercaptans which can be used in a...

Details Composition formed of mercaptans which can be used in a... Composition formed of mercaptans which can be used in a...

2006-03-21

2006-03-21

Lithgow, Thomas M. (Department: 1724)

Classifying, separating, and assorting solids

Fluid suspension

Liquid

C252S061000

Reexamination Certificate

active

07014048

ABSTRACT:
Composition intended for the flotation of ores, comprising:from 70 to 95% of a combination (A) of n-dodecyl mercaptan (or NDM) and of tert-dodecyl mercaptan (or TDM), the NDM/TDM ratio by weight of which is between 0.5 and 1.5, andfrom 5 to 30% of a product (B) composed of one or more aromatic or aliphatic compounds comprising from 4 to 100 carbon atoms, preferably from 5 to 40, and having one or two —OH groups.Process for the recovery by flotation of metal compounds of value present in ores employing it.

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