High performance positively charged composite membranes and their use in nanofiltration processes

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United States of America Patent

PATENT NO 9120062
APP PUB NO 20130306551A1
SERIAL NO

13866498

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Abstract

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The present invention is directed to positively charged nanofiltration (NF) membranes comprising a substrate layer (S) based on a sulfonated polymer and a positively charged film layer (F) on top of said substrate, and to a method for their preparation. Furthermore, the present invention is directed to nanofiltration processes making use of said composite membrane.

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Patent Owner(s)

Patent OwnerAddress
NATIONAL UNIVERSITY OF SINGAPORESINGAPORE SINGAPORE CITY SINGAPORE
BASF SEGERMANY'S RHINE RIVER IN LUDWIGSHAFEN LUDWIGSHAFEN RHINELAND-PALATINATE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chung, Tai-Shung Ann Arbor, US 70 734
Maletzko, Christian Altrip, DE 62 351
Trotte, Bernd Hemsbach, DE 6 47
Weber, Martin Maikammer, DE 262 2000
Zhong, Peishan Singapore, SG 4 24

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