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(11)

EP 2 435 173 A1

(12)

(43) Date of publication: 04.04.2012 Bulletin 2012/14 (21) Application number: 10724060.8 (22) Date of filing: 31.05.2010

(51) International Patent Classification (IPC):  B01F 3/08(2006.01) B01D 33/21(2006.01) B01D 29/74(2006.01) (86) International application number: PCT/EP2010/057539 (87) International publication number: WO 2010/136602 (02.12.2010 Gazette 2010/48)

(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 SE SI SK SM TR (30) Priority: 29.05.2009 EP 09161489 (71) Applicant: Novoflow GmbH 86641 Rain am Lech (DE)	(72) Inventors: VAN RIJN, Cornelis, Johannes, Maria NL-7255 DB Hengelo (gld) (NL) LIEBERMANN, Franz CH-8706 Feldmeilen (CH) (74) Representative: Cremer, Ulrike Theresia  Cremer & Cremer Patentanwälte St.-Barbara-Strasse 16 89077 Ulm 89077 Ulm (DE)