US Patent 7985339 Polyarylether compositions bearing zwitterion functionalities
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Patent abstract
A method for making a polysulfone having zwitterionic functionality comprising reacting a piperazine amine functionalized polysulfone with sultone is described as are blends with other polymers. Membranes containing polysulfones having zwitterionic functionality are also provided. Membranes thus formed are used in hemodialysis, hemofiltration, and water purification.
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US Patent 07985339 Polyarylether compositions bearing zwitterion functionalities US Patent 7985339 Polyarylether compositions bearing zwitterion functionalities
Infobox
Patent Number
0798533900
Patent Number
798533900
Edits on 24 Apr, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079853390
Date of Patent
July 26, 2011
0Patent Application Number
121973740
Date Filed
August 25, 2008
0Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
079853390
Date of Patent
July 26, 2011
0Patent Application Number
121973740
Date Filed
August 25, 2008
0Patent Primary Examiner
Edits on 8 Dec, 2021
Golden AI
Edits made to:
Infobox (+7 properties)
US Patent 07985339 Polyarylether compositions bearing zwitterion functionalities
Infobox
Is a
Patent jurisdiction
Patent number
07985339
Date of patent
July 26, 2011
Patent application number
12197374
Date Filed
August 25, 2008
Patent primary examiner
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