Title:
COLLECTOR FOR NON IRON METAL SULPHIDE PREPARATION
Document Type and Number:
WIPO Patent Application WO2002038277
Kind Code:
A3
Abstract:
The invention relates to a flotation reagent containing compounds of general formula (1) and (2) wherein R<1> and R<2> independently represent alkyl groups containing 1 - 18 carbon atoms, R<3> and R<4> independently represent hydrogen or C1-C6 alkyl, and M represents hydrogen or an alkaline metal, in a weight ration of (1): (2) = 95:5 - 75:25.
Inventors:
HESSE HEINRICH (DE)
GOMEZ JAIME (CL)
ARENDS MIGUEL ANGEL (CL)
ERNSTORFER NORBERT (CL)
GOMEZ JAIME (CL)
ARENDS MIGUEL ANGEL (CL)
ERNSTORFER NORBERT (CL)
Application Number:
PCT/EP2001/012628
Publication Date:
March 13, 2003
Filing Date:
October 31, 2001
Export Citation:
Assignee:
CLARIANT INT LTD (CH)
HESSE HEINRICH (DE)
GOMEZ JAIME (CL)
ARENDS MIGUEL ANGEL (CL)
ERNSTORFER NORBERT (CL)
HESSE HEINRICH (DE)
GOMEZ JAIME (CL)
ARENDS MIGUEL ANGEL (CL)
ERNSTORFER NORBERT (CL)
International Classes:
B03D1/004; B03D1/012; (IPC1-7): B03D1/012; B03D1/004; B03B1/04
Domestic Patent References:
| WO1998013142A1 | 1998-04-02 | |||
| WO1994023841A1 | 1994-10-27 |
Foreign References:
| US5232581A | 1993-08-03 | |||
| EP0298392A2 | 1989-01-11 | |||
| DE1930864A1 | 1970-01-08 | |||
| US5126038A | 1992-06-30 | |||
| US4946585A | 1990-08-07 |
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