Invention Grant
- Patent Title: Method for removing metallic impurities
- Patent Title (中): 去除金属杂质的方法
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Application No.: US13133727Application Date: 2009-12-07
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Publication No.: US08534465B2Publication Date: 2013-09-17
- Inventor: Rüdiger Funk , Jürgen Schröder , Matthias Weismantel
- Applicant: Rüdiger Funk , Jürgen Schröder , Matthias Weismantel
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Marshall, Gerstein & Borun LLP
- Priority: EP08171441 20081212
- International Application: PCT/EP2009/066531 WO 20091207
- International Announcement: WO2010/066680 WO 20100617
- Main IPC: C08F220/06
- IPC: C08F220/06 ; C08F120/06 ; B03C1/02
Abstract:
A process for removing metallic impurities from a product mass flow comprising water-absorbing polymer particles, wherein the product mass flow has a temperature of 35 to 90° C.
Public/Granted literature
- US20110251353A1 Method For Removing Metallic Impurities Public/Granted day:2011-10-13
Information query
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