(19)

(11)

EP 3 541 521 A1

(12)

(43) Date of publication: 25.09.2019 Bulletin 2019/39 (21) Application number: 17811208.2 (22) Date of filing: 16.11.2017

(51) International Patent Classification (IPC):  B02B 1/06(2006.01) B02B 5/02(2006.01) B02B 1/08(2006.01) (86) International application number: PCT/EP2017/079517 (87) International publication number: WO 2018/091615 (24.05.2018 Gazette 2018/21)

(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: 21.11.2016 IT 201600117537 (71) Applicant: Ambiente e Nutrizione S.r.l. 20089 Rozzano (MI) (IT)	(72) Inventor: VEZZANI, Massimo 20089 Rozzano (MI) (IT) (74) Representative: Ferreccio, Rinaldo  Botti & Ferrari S.r.l. Via Cappellini, 11 20124 Milano 20124 Milano (IT)