(19)

(11)

EP 3 448 972 A1

(12)

(43) Date of publication: 06.03.2019 Bulletin 2019/10 (21) Application number: 17719562.5 (22) Date of filing: 24.04.2017

(51) International Patent Classification (IPC):  C11C 5/00(2006.01) (86) International application number: PCT/EP2017/059657 (87) International publication number: WO 2017/186641 (02.11.2017 Gazette 2017/44)

(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: 26.04.2016 PL 41698716 (71) Applicant: Bolsius International B.V. 5482 KK Schijndel (NL)	(72) Inventor: KRISTEN, Vincent 5482 KK Schijndel (NL) (74) Representative: Brantsandpatents bvba  Pauline Van Pottelsberghelaan 24 9051 Ghent 9051 Ghent (BE)