发明申请
- 专利标题: Method for Removing Metal Impurities
- 专利标题(中): 去除金属杂质的方法
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申请号: US13266181申请日: 2010-04-19
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公开(公告)号: US20120041152A1公开(公告)日: 2012-02-16
- 发明人: Rüdiger Funk , Jürgen Schröder , Thomas Pfeiffer , Emil Bitzer
- 申请人: Rüdiger Funk , Jürgen Schröder , Thomas Pfeiffer , Emil Bitzer
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludwigshafen
- 优先权: EP09159155.2 20090430
- 国际申请: PCT/EP10/55100 WO 20100419
- 主分类号: C08F8/00
- IPC分类号: C08F8/00 ; B03C1/02
摘要:
A process for removing metallic impurities from a product mass flow comprising water-absorbing polymer particles by means of bar magnets, wherein the water-absorbing polymer particles comprise a surfactant and have direct contact with the bar magnets.
公开/授权文献
- US09803033B2 Method for removing metal impurities 公开/授权日:2017-10-31
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