(19)

(11)

EP 3 397 366 A1

(12)

(43) Date of publication: 07.11.2018 Bulletin 2018/45 (21) Application number: 16834046.1 (22) Date of filing: 23.12.2016

(51) International Patent Classification (IPC):  B01D 35/18(2006.01) B01D 29/21(2006.01) (86) International application number: PCT/IB2016/057967 (87) International publication number: WO 2017/115250 (06.07.2017 Gazette 2017/27)

(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 Designated Validation States: MA MD (30) Priority: 29.12.2015 IT UB20159466 (71) Applicant: Ufi Filters s.p.a. 46047 Porto Mantovano (Mantova) (IT)	(72) Inventor: GIRONDI, Giorgio I-46100 Mantova (IT) (74) Representative: Corradini, Corrado et al Ing. C. Corradini & C. S.r.l. Via Dante Alighieri 4 42121 Reggio Emilia 42121 Reggio Emilia (IT)