Invention Grant
- Patent Title: Process for classifying water-absorbing polymer beads
- Patent Title (中): 吸水聚合物珠粒分级方法
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Application No.: US14779990Application Date: 2014-03-18
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Publication No.: US09550213B2Publication Date: 2017-01-24
- Inventor: Karl J. Possemiers , Thomas Pfeiffer , Matthias Weismantel , Rüdiger Funk , Monte Peterson , Sven Serneels , Jeffrey Johnson , Ronny De Kaey
- Applicant: BASF SE
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- International Application: PCT/EP2014/055365 WO 20140318
- International Announcement: WO2014/154522 WO 20141002
- Main IPC: B07B1/00
- IPC: B07B1/00 ; B07B1/46 ; B07B9/00 ; C08J3/24 ; C08L33/02 ; A61L15/60 ; C08F220/06 ; C08J3/12 ; G01N15/02
Abstract:
A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
Public/Granted literature
- US20160030979A1 PROCESS FOR CLASSIFYING WATER-ABSORBING POLYMER BEADS Public/Granted day:2016-02-04
Information query
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