Claims
- 1. A collector composition for froth flotation of sulfide minerals comprising at least one hydrocarboxycarbonyl thionocarbamate selected from the group consisting of:
- .[.N-ethoxycarbonyl-O-n-butyl thionocarbamate;.].
- N-ethoxycarbonyl-O-isobutyl thionocarbamate;
- N-ethoxycarbonyl-O-sec. butyl thionocarbamate;
- N-ethoxycarbonyl-O-n-amyl thionocarbamate;
- N-ethoxycarbonyl-O-isoamyl thionocarbamate;
- N-ethoxycarbonyl-O-phenyl thionocarbamate;
- N-phenoxycarbonyl-O-ethyl thionocarbamate;
- N-phenoxycarbonyl-O-isopropyl thionocarbamate;
- N-phenoxycarbonyl-O-n-butyl thionocarbamate;
- N-phenoxycarbonyl-O-isobutyl thionocarbamate;
- N-phenoxycarbonyl-O-sec. butyl thionocarbamate;
- N-phenoxycarbonyl-O-n-amyl thionocarbamate and
- N-phenoxycarbonyl-O-isoamyl thionocarbamate. .[.2. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-ethoxycarbonyl-O-n-butyl thionocarbamate..]. 3. A collector composition is defined in claim 1 wherein the thionocarbamate is
- N-ethoxycarbonyl-O-isobutyl thionocarbamate. 4. A collector composition as defined in claim 1 wherein the thionocarbamate is N-ethoxycarbonyl-O-sec.
- butyl thionocarbamate. 5. A collector composition as defined in claim 1 wherein the thionocarbamate is N-ethoxycarbonyl-O-n-amyl thionocarbamate.
- . A collector composition as defined in claim 1 wherein the
- thionocarbamate is N-ethoxycarbonyl-O-isoamyl thionocarbamate. 7. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-ethoxycarbonyl-O-phenyl thionocarbamate. 8. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-phenoxycarbonyl-O-ethyl thionocarbamate. 9. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-phenoxycarbonyl-O-isopropyl thionocarbamate. 10. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-phenoxycarbonyl-O-n-butyl thionocarbamate. 11. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-phenoxycarbonyl-O-isobutyl thionocarbamate. 12. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-phenoxycarbonyl-O-sec. butyl thionocarbamate. 13. A collector composition as defined in claim 1 wherein the thionocarbamate is
- N-phenoxycarbonyl-O-n-amyl thionocarbamate. 14. A collector composition as defined in claim 1 wherein the thionocarbamate is N-phenoxycarbonyl-O-isoamyl thionocarbamate.
CROSS-REFERENCE TO RELATED APPLICATION
This .Iadd.application .Iaddend.is a .Iadd.reissue application of our original patent No. 4,657,688 dated April 14, 1987, Serial No. 806,585, filed December 9, 1985, which is a .Iaddend.division of application, Ser. No. 641,657, filed August 17, 1984, now U.S. Pat. No. 4,584,097 of D. R. Najaraj entitled PROCESS FOR THE FLOTATION OF COPPER SULFIDE MINERALS IN ACID, NEUTRAL OR MILDLY ALKALINE CIRCUITS.
US Referenced Citations (5)
Foreign Referenced Citations (3)
Number |
Date |
Country |
14126 |
Apr 1972 |
JPX |
62254 |
Apr 1982 |
JPX |
1502890 |
Mar 1978 |
GBX |
Non-Patent Literature Citations (1)
Entry |
Oyamada et al., "Reaction of Alkyl Alkoxycarbonylthiocarbamates with Ammonia," Nippon Nogei Kagaku Kaishi 1976, 50 (1), 23-7, (Japanese), (CA 85:5171w). |
Divisions (1)
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641657 |
Aug 1984 |
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Reissues (1)
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806585 |
Dec 1985 |
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