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(11)

EP 4 739 807 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24745359.0 (22) Date of filing: 05.07.2024

(51) International Patent Classification (IPC):  C22B 7/00(2006.01) C04B 35/50(2006.01) B01J 23/10(2006.01) B01J 23/46(2006.01) C01B 21/26(2006.01) C22B 11/02(2006.01) B01J 23/42(2006.01) B01J 35/00(2024.01) (52) Cooperative Patent Classification (CPC): C22B 7/009; C22B 11/021; C01B 21/267; B01J 23/10; B01J 23/42; B01J 23/464; B01J 35/19; B01J 23/63; Y02P 10/20 (86) International application number: PCT/EP2024/068982 (87) International publication number: WO 2025/008502 (09.01.2025 Gazette 2025/02)

(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: 06.07.2023 EP 23183867 20.11.2023 EP 23210965 (71) Applicant: Yara International ASA 0277 Oslo (NO)	(72) Inventor: WALLER, David 3931 Porsgrunn (NO) (74) Representative: De Clercq & Partners  Edgard Gevaertdreef 10a 9830 Sint-Martens-Latem 9830 Sint-Martens-Latem (BE)