(19)

(11)

EP 3 887 319 A1

(12)

(43) Date of publication: 06.10.2021 Bulletin 2021/40 (21) Application number: 19817602.6 (22) Date of filing: 28.11.2019

(51) International Patent Classification (IPC):  C02F 3/00(2006.01) H01M 8/16(2006.01) C02F 3/34(2006.01) C02F 103/18(2006.01) C02F 3/28(2006.01) C02F 3/30(2006.01) C02F 101/16(2006.01) C02F 103/20(2006.01) (52) Cooperative Patent Classification (CPC): C02F 3/34; C02F 2103/18; C02F 3/005; C02F 3/303; C02F 3/307; H01M 8/16; C02F 2101/16; C02F 2103/20; Y02E 60/50; C02F 3/286 (86) International application number: PCT/EP2019/082953 (87) International publication number: WO 2020/109494 (04.06.2020 Gazette 2020/23)

(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 (30) Priority: 30.11.2018 EP 18209626 (71) Applicant: Paqell B.V. 3542 AD Utrecht (NL)	(72) Inventors: ANNEMIEKE, ter HEIJNE 3911 JW Rhenen (NL) KLOK, Johannes Bernardus Maria 3911 CK Rhenen (NL) DE RINK, Rieks 3814 SH Amersfoort (NL) BUISMAN, Cees Jan Nico 8571 RH Harich (NL) LIU, Dandan 6707 CT Wageningen (NL) (74) Representative: Cramwinckel, Michiel  Cramwinckel Consultancy Kallenkoterallee 82 A 8331 AJ Steenwijk 8331 AJ Steenwijk (NL)