发明授权
- 专利标题: Heterocyclic thione
- 专利标题(中): 杂环硫酮
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申请号: US773386申请日: 1991-10-07
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公开(公告)号: US5342937A公开(公告)日: 1994-08-30
- 发明人: Peter W. Austin , Peter M. Quan , Peter A. Tasker , Derek Thorp
- 申请人: Peter W. Austin , Peter M. Quan , Peter A. Tasker , Derek Thorp
- 申请人地址: GB2 London OR Portland
- 专利权人: Zeneca, Limited,Nerco, Inc.
- 当前专利权人: Zeneca, Limited,Nerco, Inc.
- 当前专利权人地址: GB2 London OR Portland
- 优先权: GBX8915959 19890712
- 主分类号: C07D233/84
- IPC分类号: C07D233/84 ; B01D11/04 ; C07D213/70 ; C07D213/89 ; C07D235/28 ; C07D237/18 ; C07D239/40 ; C07D263/46 ; C07D277/20 ; C07D277/36 ; C22B3/26 ; C22B3/36 ; C22B58/00 ; C07D211/36 ; C07D277/04 ; C07D285/16
摘要:
A solvent soluble heterocyclic o-hydroxy thione carrying a lipophilic group and the process for the selective extraction of gallium, and certain other related metals, especially from solutions containing excess aluminium.