Invention Grant
- Patent Title: Method for grading water-absorbent polymer particles
- Patent Title (中): 吸水性聚合物颗粒分级方法
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Application No.: US12438682Application Date: 2007-09-24
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Publication No.: US08443982B2Publication Date: 2013-05-21
- Inventor: Uwe Stueven , Rüdiger Funk , Matthias Weismantel , Jürgen Schröder , Domien van Esbroeck
- Applicant: Uwe Stueven , Rüdiger Funk , Matthias Weismantel , Jürgen Schröder , Domien van Esbroeck
- Applicant Address: DE Ludwigshafen
- Assignee: BASF Aktiengesellschaft
- Current Assignee: BASF Aktiengesellschaft
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP06121228 20060925
- International Application: PCT/EP2007/060076 WO 20070924
- International Announcement: WO2008/037675 WO 20080403
- Main IPC: B07B9/00
- IPC: B07B9/00
Abstract:
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.
Public/Granted literature
- US20090266747A1 Method for Grading Water-Absorbent Polymer Particles Public/Granted day:2009-10-29
Information query
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