发明授权
- 专利标题: Method for grading water-absorbent polymer particles
- 专利标题(中): 吸水性聚合物颗粒分级方法
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申请号: US12438682申请日: 2007-09-24
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公开(公告)号: US08443982B2公开(公告)日: 2013-05-21
- 发明人: Uwe Stueven , Rüdiger Funk , Matthias Weismantel , Jürgen Schröder , Domien van Esbroeck
- 申请人: Uwe Stueven , Rüdiger Funk , Matthias Weismantel , Jürgen Schröder , Domien van Esbroeck
- 申请人地址: DE Ludwigshafen
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DE Ludwigshafen
- 代理机构: Marshall, Gerstein & Borun LLP
- 优先权: EP06121228 20060925
- 国际申请: PCT/EP2007/060076 WO 20070924
- 国际公布: WO2008/037675 WO 20080403
- 主分类号: B07B9/00
- IPC分类号: B07B9/00
摘要:
A process for classifying water-absorbing polymer beads, wherein the polymer beads are separated into n particle size fractions by means of at least n screens and n is an integer greater than 1.
公开/授权文献
- US20090266747A1 Method for Grading Water-Absorbent Polymer Particles 公开/授权日:2009-10-29
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