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(11)

EP 3 429 729 A1

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(43) Date of publication: 23.01.2019 Bulletin 2019/04 (21) Application number: 17710749.7 (22) Date of filing: 16.03.2017

(51) International Patent Classification (IPC):  B01D 63/02(2006.01) B01D 63/06(2006.01) B01D 69/04(2006.01) B01D 53/22(2006.01) B01D 65/08(2006.01) (86) International application number: PCT/EP2017/056245 (87) International publication number: WO 2017/158096 (21.09.2017 Gazette 2017/38)

(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: 18.03.2016 IT UA20161826 (71) Applicants: SOL S.p.A. 20900 Monza (MB) (IT) Technores S.r.L. 50125 Firenze FI (IT)	(72) Inventors: BECCALLI, Massimo I-20847 Albiate MB (IT) VALTOLINA, Daniele I-23896 Sirtori LC (IT) CARNEVALE, Stefano I-59100 Prato PO (IT) (74) Representative: Gislon, Gabriele  Marietti, Gislon e Trupiano S.r.l. Via Larga, 16 20122 Milano 20122 Milano (IT)