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US 2008/0185317 A1Published application
Novel dithiocarbamate collectors and their use in the beneficiation of mineral ore bodies
AssigneeCytec Technology Corp.
InventorDevarayasamudram R. Nagaraj
Life of this patent
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Abstract
Froth flotation collectors comprising dithiocarbamates of the Formula (I) as described herein are useful for the beneficiation and recovery of metals from mineral ores.
Claims32
A compound of Formula (I):
- wherein R and R1 each independently comprise optionally substituted C1-20 alkyl, optionally substituted C6-20 aryl, optionally substituted C2-20 alkenyl, or optionally substituted C7-20 aralkyl.
A collector composition comprising a frothing agent and a compound of Formula (I):
- wherein R and R1 each independently comprise optionally substituted C1-20 alkyl, optionally substituted C6-20 aryl, optionally substituted C2-20 alkenyl, or optionally substituted C7-20 aralkyl.
A compound selected from the group consisting of:
- N-allyloxycarbonyl-S-alkyldithiocarbamate, N-allyloxycarbonyl-S-aryldithiocarbamate, N-alkoxycarbonyl-S-allyldithiocarbamate, N-aryloxycarbonyl-S-allyldithiocarbamate, N-aryloxycarbonyl-S-alkyldithiocarbamate, and N-alkoxycarbonyl-S-aryldithiocarbamate.
A collector composition comprising a frothing agent and a compound selected from the group consisting of:
- N-allyloxycarbonyl-S-alkyldithiocarbamate, N-allyloxycarbonyl-S-aryldithiocarbamate, N-alkoxycarbonyl-S-allyldithiocarbamate, N-aryloxycarbonyl-S-allyldithiocarbamate, N-aryloxycarbonyl-S-alkyldithiocarbamate, and N-alkoxycarbonyl-S-aryldithiocarbamate.
A compound selected from the group consisting of:
- N-n-butoxycarbonyl S-n-butyl dithiocarbamate, N-ethoxycarbonyl S-butyl dithiocarbamate, N-butoxycarbonyl S-phenyl dithiocarbamate, N-alloxycarbonyl S-phenyl dithiocarbamate, N-phenoxycarbonyl S-allyl dithiocarbamate, N-ethoxycarbonyl S-phenyl dithiocarbamate, N-ethoxycarbonyl-S-ethyldithiocarbamate, N-propoxycarbonyl-S-ethyldithiocarbamate, N-propoxycarbonyl-S-ethyldithiocarbamate, N-propoxycarbonyl-S-propyldithiocarbamate, N-propoxycarbonyl-S-butyldithiocarbamate, N-propoxycarbonyl-S-pentyldithiocarbamate, N-propoxycarbonyl-S-hexyldithiocarbamate, and N-butoxycarbonyl-S-ethyldithiocarbamate.
A collector composition comprising a frothing agent and a compound selected from the group consisting of:
- N-n-butoxycarbonyl S-n-butyl dithiocarbamate, N-ethoxycarbonyl S-butyl dithiocarbamate, N-butoxycarbonyl S-phenyl dithiocarbamate, N-alloxycarbonyl S-phenyl dithiocarbamate, N-phenoxycarbonyl S-allyl dithiocarbamate, N-ethoxycarbonyl S-phenyl dithiocarbamate, N-ethoxycarbonyl-S-ethyldithiocarbamate, N-propoxycarbonyl-S-ethyldithiocarbamate, N-propoxycarbonyl-S-ethyldithiocarbamate, N-propoxycarbonyl-S-propyldithiocarbamate, N-propoxycarbonyl-S-butyldithiocarbamate, N-propoxycarbonyl-S-pentyldithiocarbamate, N-propoxycarbonyl-S-hexyldithiocarbamate, and N-butoxycarbonyl-S-ethyldithiocarbamate.
Dependencies are inferred from the claim text.