发明授权
- 专利标题: Modification of the flow resistance of diaphragms
- 专利标题(中): 修改隔膜的流动阻力
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申请号: US982441申请日: 1997-12-02
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公开(公告)号: US5919348A公开(公告)日: 1999-07-06
- 发明人: Holger Friedrich , Klaus-Dieter Hoppe , Bernd Leutner , Dieter Schlafer , Kurt Hecky
- 申请人: Holger Friedrich , Klaus-Dieter Hoppe , Bernd Leutner , Dieter Schlafer , Kurt Hecky
- 申请人地址: DEX Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX Ludwigshafen
- 优先权: DEX196503167 19961204
- 主分类号: C25B13/08
- IPC分类号: C25B13/08 ; C25B13/00 ; C25B15/00 ; C25B1/46
摘要:
The flow resistance of a diaphragm based on a fiber material is modified by treating the diaphragm during or after preparation thereof with a dispersion comprising a fluorine-containing component and optionally with a solution comprising a precursor of ZrO.sub.2.
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