(19)

(11)

EP 3 655 130 A1

(12)

(43) Date of publication: 27.05.2020 Bulletin 2020/22 (21) Application number: 18746765.9 (22) Date of filing: 18.07.2018

(51) International Patent Classification (IPC):  B01D 35/18(2006.01) F02M 37/22(2019.01) B01D 29/15(2006.01) (86) International application number: PCT/IB2018/055319 (87) International publication number: WO 2019/016714 (24.01.2019 Gazette 2019/04)

(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: KH MA MD TN (30) Priority: 19.07.2017 IT 201700081978 (71) Applicant: UFI Innovation Center S.r.l. 38061 Ala (TN) (IT)	(72) Inventor: GIRONDI, Giorgio 38061 Ala (Trento) (IT) (74) Representative: Gamba, Alessandro  Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)