(19)

(11)

EP 3 380 651 A1

(12)

(43) Date of publication: 03.10.2018 Bulletin 2018/40 (21) Application number: 16820029.3 (22) Date of filing: 24.11.2016

(51) International Patent Classification (IPC):  C25B 11/03(2006.01) C25B 1/00(2006.01) C25B 11/04(2006.01) C25B 3/04(2006.01) (86) International application number: PCT/NL2016/050826 (87) International publication number: WO 2017/091070 (01.06.2017 Gazette 2017/22)

(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: 24.11.2015 US 201562259089 P (71) Applicant: Universiteit Twente 7522 NB Enschede (NL)	(72) Inventors: KAS, Recep 7522 NB Enschede (NL) DE WIT, Patrick 7522 NB Enschede (NL) BENES, Nieck Edwin 7522 NB Enschede (NL) MUL, Guido 7522 NB Enschede (NL) (74) Representative: V.O.  P.O. Box 87930 Carnegieplein 5 2508 DH Den Haag 2508 DH Den Haag (NL)