(19)

(11)

EP 3 374 069 A1

(12)

(43) Date of publication: 19.09.2018 Bulletin 2018/38 (21) Application number: 16820326.3 (22) Date of filing: 08.11.2016

(51) International Patent Classification (IPC):  B01F 3/04(2006.01) B01F 15/00(2006.01) B01F 5/06(2006.01) (86) International application number: PCT/IB2016/056721 (87) International publication number: WO 2017/081608 (18.05.2017 Gazette 2017/20)

(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: 09.11.2015 IT UB20155366 (71) Applicant: Societa'Italiana Acetilene & Derivati S.I.A.D. S.p.A. in breve S.I.A.D. S.p.A. 24126 Bergamo (IT)	(72) Inventor: FRATI, Maurizio 24126 Bergamo (BG) (IT) (74) Representative: Bianchetti Bracco Minoja S.r.l.  Via Plinio, 63 20129 Milano 20129 Milano (IT)