| 发明名称 |
FORFARANDE FOR SKUMFLOTATION SAMT FLOTATIONSMEDEL HERFOR |
| 摘要 |
<p>A froth flotation process in which an amphoteric compound is used as a collector for oxide and salt type minerals. The amphoteric compound has the formula <IMAGE> I in which R is a hydrocarbon group having 4 to 18 carbon atoms; n is 0 or 1;; p is a number from 0 to 5; and R1 is a hydrocarbon group having 5 to 18 carbon atoms or the group <IMAGE> in which R, n and p have the above mentioned meaning; or a salt thereof.</p> |
| 申请公布号 |
SE452120(B) |
申请公布日期 |
1987.11.16 |
| 申请号 |
SE19840001859 |
申请日期 |
1984.04.04 |
| 申请人 |
BEROL KEMI AB |
发明人 |
B * ALVRYD;A * KLINGBERG;M * HELLSTEN |
| 分类号 |
B03D1/02;B03D1/008;B03D1/01 |
主分类号 |
B03D1/02 |
| 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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