Invention Grant
- Patent Title: Methods for producing water-absorbent foamed polymer particles
- Patent Title (中): 生产吸水泡沫聚合物颗粒的方法
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Application No.: US13509951Application Date: 2010-11-22
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Publication No.: US09574019B2Publication Date: 2017-02-21
- Inventor: Francisco Javier Lopez Villanueva , Markus Linsenbühler , Matthias Weismantel , Bernd Siegel
- Applicant: Francisco Javier Lopez Villanueva , Markus Linsenbühler , Matthias Weismantel , Bernd Siegel
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP09176768 20091123
- International Application: PCT/EP2010/067877 WO 20101122
- International Announcement: WO2011/061315 WO 20110526
- Main IPC: C08F2/10
- IPC: C08F2/10 ; A61L15/24 ; A61L15/42 ; A61L15/60 ; C08F2/20 ; C08F2/22 ; C08J3/12 ; C08J9/12 ; C08J9/16 ; C08L33/02 ; C08F220/06
Abstract:
A process for preparing water-absorbing polymer particles, comprising polymerization of a foamed monomer solution or suspension, drying, grinding and classification.
Public/Granted literature
- US20120232177A1 Methods for Producing Water-Absorbent Foamed Polymer Particles Public/Granted day:2012-09-13
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