Invention Grant
US08419971B2 Method for producing mechanically stable water-absorbent polymer particles
有权
制造机械稳定的吸水性聚合物颗粒的方法
- Patent Title: Method for producing mechanically stable water-absorbent polymer particles
- Patent Title (中): 制造机械稳定的吸水性聚合物颗粒的方法
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Application No.: US12518203Application Date: 2007-12-12
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Publication No.: US08419971B2Publication Date: 2013-04-16
- Inventor: Uwe Stueven , Rüdiger Funk , Matthias Weismantel , Wilfried Heide , Marco Krüger
- Applicant: Uwe Stueven , Rüdiger Funk , Matthias Weismantel , Wilfried Heide , Marco Krüger
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP06126999 20061222
- International Application: PCT/EP2007/063757 WO 20071212
- International Announcement: WO2008/077779 WO 20080703
- Main IPC: A61K31/78
- IPC: A61K31/78 ; B01J20/28 ; C08F2/10 ; C08F2/00 ; C08F2/01 ; C08F2/04
Abstract:
A process for producing water-absorbing polymer particles by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the particle surface is coated at least partly with at least one polymer and/or wax.
Public/Granted literature
- US20100294988A1 Method for Producing Mechanically Stable Water-Absorbent Polymer Particles Public/Granted day:2010-11-25
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