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(11)

EP 3 102 304 A1

(12)

(43) Date of publication: 14.12.2016 Bulletin 2016/50 (21) Application number: 15709715.5 (22) Date of filing: 03.02.2015

(51) International Patent Classification (IPC):  B01D 36/00(2006.01) B01D 63/06(2006.01) B01D 61/14(2006.01) C02F 1/28(2006.01) (86) International application number: PCT/FI2015/050068 (87) International publication number: WO 2015/118223 (13.08.2015 Gazette 2015/32)

(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: 04.02.2014 FI 20145114 (71) Applicant: Sofi Filtration OY 02270 Espoo (FI)	(72) Inventors: AHO, Simo FI-03250 Ojakkala (FI) HAKALA, Ville FI-02650 Espoo (FI) RANTALA, Pertti FI-02260 Espoo (FI) (74) Representative: Berggren Oy Ab  P.O. Box 16 Eteläinen Rautatiekatu 10A 00101 Helsinki 00101 Helsinki (FI)