(19)

(11)

EP 4 823 713 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24892140.5 (22) Date of filing: 13.11.2024

(51) International Patent Classification (IPC):  B01D 53/14(2006.01) C01F 7/142(2022.01) C07C 31/04(2006.01) C01F 7/066(2022.01) C01F 11/18(2006.01) C25B 1/34(2006.01) (52) Cooperative Patent Classification (CPC): C01F 7/066; C01F 7/142; C01F 11/18; C25B 1/46; C25B 15/081; B01D 53/62; B01D 2251/304; B01D 2251/306; C07C 29/1518   C-Sets: C07C 29/1518, C07C 31/04; (86) International application number: PCT/US2024/055719 (87) International publication number: WO 2025/106538 (22.05.2025 Gazette 2025/21)

(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: 13.11.2023 US 202363598524 P 04.04.2024 US 202463574617 P 04.06.2024 US 202463655908 P (71) Applicant: Aeon Blue Inc. Sydney, Nova Scotia B1M 1A2 (CA)	(72) Inventor: UA CEARNAIGH, Deóis Chiaráin Mac Séamuis Sydney, Nova Scotia B1M 1A2 (CA) (74) Representative: Valet Patent Services Limited  c/o Caya 83713X Am Börstig 5 96052 Bamberg 96052 Bamberg (DE)