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(11)

EP 2 969 151 A1

(12)

(43) Date of publication: 20.01.2016 Bulletin 2016/03 (21) Application number: 14712995.1 (22) Date of filing: 07.03.2014

(51) International Patent Classification (IPC):  B01D 67/00(2006.01) B01D 71/68(2006.01) B01D 71/64(2006.01) B01D 69/02(2006.01) (86) International application number: PCT/US2014/022057 (87) International publication number: WO 2014/159124 (02.10.2014 Gazette 2014/40)

(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: 14.03.2013 US 201361782988 P (71) Applicant: E. I. du Pont de Nemours and Company Wilmington, DE 19805 (US)	(72) Inventors: FRISK, Simon Newark, Delaware 19711 (US) CHRISTENSEN, Robert Pinole, California 94564 (US) (74) Representative: Morf, Jan Stefan  Abitz & Partner Patentanwälte mbB Arabellastrasse 17 81925 München 81925 München (DE)