(19)

(11)

EP 4 448 136 A1

(12)

(43) Date of publication: 23.10.2024 Bulletin 2024/43 (21) Application number: 22829776.8 (22) Date of filing: 15.12.2022

(51) International Patent Classification (IPC):  B01D 21/00(2006.01) C02F 1/52(2023.01) B03D 3/02(2006.01) B01D 21/01(2006.01) (52) Cooperative Patent Classification (CPC): B01D 21/0012; B03D 3/02; B01D 21/01; C02F 1/5236; C02F 1/56; C02F 2209/06; C02F 2101/105; C02F 2101/16 (86) International application number: PCT/FI2022/050838 (87) International publication number: WO 2023/111399 (22.06.2023 Gazette 2023/25)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 15.12.2021 FI 20217197 (71) Applicant: Npharvest Oy 02150 Espoo (FI)	(72) Inventors: KALJUNEN, Juho 00076 Aalto (FI) MIKOLA, Anna 00076 Aalto (FI) LOUHIO, Antti 00076 Aalto (FI) SAH, Rajeev 00076 Aalto (FI) (74) Representative: Papula Oy  P.O. Box 981 00101 Helsinki 00101 Helsinki (FI)