(19)

(11)

EP 4 770 960 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24758306.5 (22) Date of filing: 08.08.2024

(51) International Patent Classification (IPC):  C02F 1/00(2023.01) C02F 1/44(2023.01) C02F 1/467(2023.01) C02F 101/30(2006.01) B01D 61/14(2006.01) C02F 1/32(2023.01) C02F 1/66(2023.01) C02F 103/00(2006.01) (52) Cooperative Patent Classification (CPC): C02F 2103/003; C02F 2101/30; C02F 1/001; C02F 1/444; C02F 1/32; C02F 2201/004; C02F 2209/03; C02F 1/4672; C02F 1/66; C02F 2301/046; B01D 63/10; B01D 63/02; B01D 2313/20; B01D 2311/2692 (86) International application number: PCT/GB2024/052089 (87) International publication number: WO 2025/046212 (06.03.2025 Gazette 2025/10)

(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: GE KH MA MD TN (30) Priority: 31.08.2023 GB 202313301 (71) Applicant: VWS (UK) Limited High Wycombe Buckinghamshire HP11 1JU (GB)	(72) Inventors: UNDERWOOD, Lee Wycombe Buckinghamshire HP11 1JU (GB) CAMPBELL, Bethany Wycombe Buckinghamshire HP11 1JU (GB) (74) Representative: Murgitroyd & Company  165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)