(19)

(11)

EP 3 191 618 A1

(12)

(43) Date of publication: 19.07.2017 Bulletin 2017/29 (21) Application number: 15753455.3 (22) Date of filing: 03.07.2015

(51) International Patent Classification (IPC):  C23F 13/18(2006.01) E02B 17/00(2006.01) (86) International application number: PCT/IB2015/055029 (87) International publication number: WO 2016/038475 (17.03.2016 Gazette 2016/11)

(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 (30) Priority: 12.09.2014 DK 201400521 (71) Applicant: Bac Corrosion Control A/s 4681 Herfølge (DK)	(72) Inventor: THOMSEN, Christian Peter DK-2930 Klampenborg (DK) (74) Representative: Budde Schou A/S  Hausergade 3 1128 Copenhagen K 1128 Copenhagen K (DK)