(19)

(11)

EP 3 310 890 A1

(12)

(43) Date of publication: 25.04.2018 Bulletin 2018/17 (21) Application number: 15731726.4 (22) Date of filing: 22.06.2015

(51) International Patent Classification (IPC):  C11D 3/20(2006.01) C11D 3/42(2006.01) C11D 3/395(2006.01) (86) International application number: PCT/IB2015/054669 (87) International publication number: WO 2016/207691 (29.12.2016 Gazette 2016/52)

(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 (71) Applicant: Fater S.p.A. 65129 Pescara (IT)	(72) Inventors: LEGA, Matteo I-65129 Pescara (IT) RESTA, Stefano I-65129 Pescara (IT) SARCINELLI, Luca I-65129 Pescara (IT) (74) Representative: Casciano, Lidia Giulia Rita et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)