发明名称 |
ION FLOTATION WITH QUATERNARY AMMONIUM CATIONIC SURFACTANTS |
摘要 |
<p>A method for ion flotation, especially in the extraction of gold uses as the flotation reagent a cationic surfactant of formula (I), wherein R<1> is a C10 - C18 alkyl group, R<3> is a lower alkyl group, or benzene ring optionally substituted with one or more lower alkyl groups, and R<2> and R<4> are lower alkyl groups; or R<1>, R<2> and R<4> are methyl groups; R<3> is a benzene ring substituted with a C10 - C18 alkoxy group; and X is a halogen atom.</p> |
申请公布号 |
WO9012119(A1) |
申请公布日期 |
1990.10.18 |
申请号 |
WO1990AU00124 |
申请日期 |
1990.04.03 |
申请人 |
THE BROKEN HILL PROPRIETARY COMPANY LIMITED |
发明人 |
ENGEL, MALCOLM, DAVID;SMITHAM, JAMES, BRYER;NICOL, STUART, KENNETH |
分类号 |
C22B3/22;C22B3/44;C22B11/08 |
主分类号 |
C22B3/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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