(19)

(11)

EP 3 866 982 A1

(12)

(43) Date of publication: 25.08.2021 Bulletin 2021/34 (21) Application number: 18795350.0 (22) Date of filing: 19.10.2018

(51) International Patent Classification (IPC):  B03C 3/06(2006.01) B03C 3/36(2006.01) B03C 3/49(2006.01) B03C 3/15(2006.01) B03C 3/41(2006.01) B03C 3/12(2006.01) (86) International application number: PCT/EP2018/078797 (87) International publication number: WO 2020/078573 (23.04.2020 Gazette 2020/17)

(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: KH MA MD TN (71) Applicant: 1-Nano B.V. 1118 BG Schiphol (NL)	(72) Inventor: URSEM, Willibrordus Nicolaas Johannes 1023NM Amsterdam (NL) (74) Representative: Arnold & Siedsma  Bezuidenhoutseweg 57 2594 AC The Hague 2594 AC The Hague (NL)