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EP 2 861 332 A1

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(43) Date of publication: 22.04.2015 Bulletin 2015/17 (21) Application number: 13728210.9 (22) Date of filing: 13.06.2013

(51) International Patent Classification (IPC):  B01D 69/12(2006.01) B01D 71/68(2006.01) B01D 71/80(2006.01) B01D 69/10(2006.01) B01D 71/78(2006.01) (86) International application number: PCT/EP2013/062232 (87) International publication number: WO 2013/186297 (19.12.2013 Gazette 2013/51)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 14.06.2012 EP 12171998 (71) Applicants: BASF SE 67056 Ludwigshafen (DE) National University of Singapore Singapore 119077 (SG)	(72) Inventors: WEBER, Martin 67487 Maikammer (DE) MALETZKO, Christian 67122 Altrip (DE) TROTTE, Bernd 69502 Hemsbach (DE) WIDJOJO, Natalia Singapore 650171 (SG) CHUNG, Tai-Shung Ann Arbor, MI 48105 (US) (74) Representative: Jacobi, Markus Alexander et al Isenbruck Bösl Hörschler LLP Eastsite One Seckenheimer Landstrasse 4 68163 Mannheim 68163 Mannheim (DE)