发明授权
US3261872A Process for extracting acid substances such as phenols, thiophenols and/or their homologs from nonaqueous mixtures containing them
失效
从含有它们的非水混合物中提取酸性物质如苯酚,苯硫酚和/或其同系物的方法
- 专利标题: Process for extracting acid substances such as phenols, thiophenols and/or their homologs from nonaqueous mixtures containing them
- 专利标题(中): 从含有它们的非水混合物中提取酸性物质如苯酚,苯硫酚和/或其同系物的方法
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申请号: US12683161申请日: 1961-07-18
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公开(公告)号: US3261872A公开(公告)日: 1966-07-19
- 发明人: HELMUT FRITZSCHE , FRITZ KROGER , KARL STEIN
- 申请人: STILL FA CARL
- 专利权人: Still Fa Carl
- 当前专利权人: Still Fa Carl
- 优先权: DEST017186 1960-12-02
- 主分类号: C07C37/72
- IPC分类号: C07C37/72
公开/授权文献
- US08198760B2 Linear motor 公开/授权日:2012-06-12
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