Invention Grant
- Patent Title: Method for producing water-absorbing polymer particles
- Patent Title (中): 吸水性聚合物颗粒的制造方法
-
Application No.: US13003480Application Date: 2009-07-03
-
Publication No.: US08410222B2Publication Date: 2013-04-02
- Inventor: Rüdiger Funk , Matthias Weismantel , Sylvia Bertha
- Applicant: Rüdiger Funk , Matthias Weismantel , Sylvia Bertha
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP08160430 20080715
- International Application: PCT/EP2009/058416 WO 20090703
- International Announcement: WO2010/006937 WO 20100121
- Main IPC: C08F8/00
- IPC: C08F8/00 ; C08F20/06
Abstract:
A process for producing water-absorbing polymer particles, comprising polymerization, drying, comminution, classification and recycling of the undersize obtained in the classification, wherein the recycled undersize is coated with a reducing agent and/or inorganic particles.
Public/Granted literature
- US20110118430A1 Method for Producing Water-Absorbing Polymer Particles Public/Granted day:2011-05-19
Information query
