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EP 3 294 928 A1

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(43) Date of publication: 21.03.2018 Bulletin 2018/12 (21) Application number: 16742016.5 (22) Date of filing: 12.05.2016

(51) International Patent Classification (IPC):  C25B 11/04(2006.01) C25B 1/00(2006.01) C25B 5/00(2006.01) H01M 8/023(2016.01) H01M 8/04089(2016.01) C25B 15/08(2006.01) C25B 9/10(2006.01) H01M 8/16(2006.01) H01M 8/0252(2016.01) B01D 63/06(2006.01) (86) International application number: PCT/NL2016/050340 (87) International publication number: WO 2016/182445 (17.11.2016 Gazette 2016/46)

(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: 12.05.2015 NL 2014797 (71) Applicant: W&F Technologies B.V. 3125 Ba Schiedam (NL)

(72) Inventors: KUNTKE, Philipp NL-8911 MA Leeuwarden (DE) RODRIGUEZ ARREDONDO, Mariana NL-8911 MA Leeuwarden (NL) SLEUTELS, Tomas Hubertus Johannes Antonius NL-8911 MA Leeuwarden (NL) HAMELERS, Hubertus Victor Marie NL-8911 MA Leeuwarden (NL) SAAKES, Machiel NL-8911 MA Leeuwarden (NL) BUISMAN, Cees Jan Nico NL-8911 MA Leeuwarden (NL) (74) Representative: Verdijck, Gerardus et al Arnold & Siedsma Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)