(19)

(11)

EP 4 281 205 A1

(12)

(43) Date of publication: 29.11.2023 Bulletin 2023/48 (21) Application number: 22742318.3 (22) Date of filing: 25.01.2022

(51) International Patent Classification (IPC):  B01D 29/03(2006.01) B01D 29/58(2006.01) B01D 35/027(2006.01) B01D 29/05(2006.01) B01D 35/34(2006.01) C02F 1/00(2023.01) (52) Cooperative Patent Classification (CPC): B01D 29/58; B01D 29/03; B01D 29/35; B01D 35/34; B01D 35/027; C02F 1/001; C02F 1/283 (86) International application number: PCT/FI2022/050050 (87) International publication number: WO 2022/157427 (28.07.2022 Gazette 2022/30)

(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: 25.01.2021 FI 20214009 U (71) Applicant: Creative Inno Oy 16600 Järvelä (FI)	(72) Inventor: LAAMANEN, Kirsi 16600 Järvelä (FI) (74) Representative: Salomäki, Juha Kari Ensio  Salomaki Oy Kankurinkatu 4-6 05800 Hyvinkää 05800 Hyvinkää (FI)