(19)

(11)

EP 4 440 723 A1

(12)

(43) Date of publication: 09.10.2024 Bulletin 2024/41 (21) Application number: 22822224.6 (22) Date of filing: 30.11.2022

(51) International Patent Classification (IPC):  B01D 46/00(2022.01) B01D 46/12(2022.01) B01D 46/10(2006.01) B01D 46/58(2022.01) (52) Cooperative Patent Classification (CPC): B01D 46/0036; B01D 46/0043; B01D 46/0049; B01D 46/10; B01D 46/12; B01D 46/58 (86) International application number: PCT/IB2022/061566 (87) International publication number: WO 2023/100084 (08.06.2023 Gazette 2023/23)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 30.11.2021 IT 202100030314 (71) Applicant: UFI Innovation Center S.R.L. 38061 Ala, Trento (IT)	(72) Inventor: GIRONDI, Giorgio 38061 Ala, Trento (IT) (74) Representative: Gamba, Alessandro et al Jacobacci & Partners S.p.A. Piazza della Vittoria, 11 25122 Brescia 25122 Brescia (IT)