发明授权
- 专利标题： Depressants for froth flotation
- 专利标题（中）： 泡沫浮选抑制剂
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申请号： US757513申请日： 1985-07-19
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公开(公告)号： US4657669A公开(公告)日： 1987-04-14
- 发明人: Peter Shaw , Jan Coetzee
- 申请人： Peter Shaw , Jan Coetzee
- 申请人地址： ZAX Marshalltown
- 专利权人： Sentrachem Limited
- 当前专利权人： Sentrachem Limited
- 当前专利权人地址： ZAX Marshalltown
- 优先权： ZAX82/4283 19820617
- 主分类号： B03D1/012
- IPC分类号： B03D1/012 ; B03D1/14
摘要：
The invention concerns the use of 5-hydroxy-3-thiazolidine-2-thiones of the structure I ##STR1## where R.sub.1 =(CHOH).sub.m, R.sub.2 =(CHOH).sub.n where (m+n)=0 to 6, and R.sub.3 is alkyl or hydroxy-alkyl as depressants in the flotation of mixtures of base metal minerals, particularly those containing molybdenum, copper, lead, zinc; and to flotation processes using these compounds.
公开/授权文献
- US5673977A Fluid control system for tractor trailer brake system 公开/授权日：1997-10-07
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