发明申请
- 专利标题: PROCESS FOR SEPARATING ZIRCONIUM AND HAFNIUM
- 专利标题(中): 分离ZIRCONIUM和HAFNIUM的方法
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申请号: US11743175申请日: 2007-05-02
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公开(公告)号: US20070283536A1公开(公告)日: 2007-12-13
- 发明人: Knud Reuter , Gerd Passing , Stephan Kirchmeyer
- 申请人: Knud Reuter , Gerd Passing , Stephan Kirchmeyer
- 申请人地址: DE Goslar
- 专利权人: H. C. Starck GmbH & Co., KG
- 当前专利权人: H. C. Starck GmbH & Co., KG
- 当前专利权人地址: DE Goslar
- 优先权: DE102006020440.9 20060503
- 主分类号: C01F7/34
- IPC分类号: C01F7/34
摘要:
The present invention provides a new process for separating zirconium and hafnium compounds, in particular to remove traces of zirconium compounds from hafnium compounds, using fractional crystallisation, as well as hafnium compounds obtainable in accordance with this process.
公开/授权文献
- US07635396B2 Process for separating zirconium and hafnium 公开/授权日:2009-12-22
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