发明授权
US4990656A Polyamine substituted dithiocarbamate and process for producing the same
失效
聚胺取代的二硫代氨基甲酸盐及其制备方法
- 专利标题： Polyamine substituted dithiocarbamate and process for producing the same
- 专利标题（中）： 聚胺取代的二硫代氨基甲酸盐及其制备方法
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申请号： US470773申请日： 1990-01-26
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公开(公告)号： US4990656A公开(公告)日： 1991-02-05
- 发明人: Clarence R. Bresson , Harold W. Mark
- 申请人： Clarence R. Bresson , Harold W. Mark
- 申请人地址： OK Bartlesville
- 专利权人： Phillips Petroleum Company
- 当前专利权人： Phillips Petroleum Company
- 当前专利权人地址： OK Bartlesville
- 主分类号： B03D1/012
- IPC分类号： B03D1/012 ; B03D1/02
摘要：
A polyamine substituted dithiocarbamate compound is provided. Also provided are minerals depressant compounds for recovering mineral values from an ore or concentrate wherein the values are recovered in a froth from an aqueous slurry. A process of forming the minerals depressant compounds and an improved ore flotation process using the minerals depressant compounds are also provided.
公开/授权文献
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