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(11)

EP 4 255 854 A1

(12)

(43) Date of publication: 11.10.2023 Bulletin 2023/41 (21) Application number: 21820631.6 (22) Date of filing: 06.12.2021

(51) International Patent Classification (IPC):  C02F 3/28(2023.01) B01F 25/21(2022.01) B01F 25/50(2022.01) (52) Cooperative Patent Classification (CPC): C02F 3/2846; C02F 3/2873; C02F 3/286; B01F 25/211; B01F 25/50 (86) International application number: PCT/EP2021/084456 (87) International publication number: WO 2022/122678 (16.06.2022 Gazette 2022/24)

(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: 07.12.2020 EP 20212285 (71) Applicant: Paques I.P. B.V. 8561 EL Balk (NL)	(72) Inventors: PRINS, Rienk 8561 EL Balk (NL) FABER, Jelle 8561 EL Balk (NL) VOGELAAR, Jacob Cornelis Theodorus 8561 EL Balk (NL) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)