The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 24, 2015
Filed:
Apr. 27, 2012
Composite membranes comprising a sulfonated polyarylether and their use in forward osmosis processes
Martin Weber, Maikammer, DE;
Christian Maletzko, Altrip, DE;
Volker Warzelhan, Weisenheim am Berg, DE;
Natalia Widjojo, Singapore, SG;
Tai-shung Chung, Ann Arbor, MI (US);
Martin Weber, Maikammer, DE;
Christian Maletzko, Altrip, DE;
Volker Warzelhan, Weisenheim am Berg, DE;
Natalia Widjojo, Singapore, SG;
Tai-Shung Chung, Ann Arbor, MI (US);
BASF SE, , DE;
National University of Singapore, Singapore, SG;
Abstract
The present invention is directed to thin film composite membrane (TFC membrane) comprising a substrate layer (S) based on a sulfonated polymer, e.g. a sulfonated polyarylether, and a polyamide film layer (F) and further to a method for their preparation. Furthermore, the present invention is directed to osmosis processes, in particular to forward osmosis (FO) processes, using said membrane.