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(11)

EP 4 798 753 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24800949.0 (22) Date of filing: 14.10.2024

(51) International Patent Classification (IPC):  C23C 2/00(2006.01) C23C 2/06(2006.01) C23C 2/18(2006.01) C23C 2/26(2006.01) B05C 11/06(2006.01) C23C 2/16(2006.01) C23C 2/20(2006.01) C23C 2/40(2006.01) (52) Cooperative Patent Classification (CPC): C23C 2/003; C23C 2/0035; C23C 2/06; C23C 2/40; C23C 2/16; C23C 2/18; C23C 2/20; C23C 2/26; B05C 11/06 (86) International application number: PCT/IB2024/060036 (87) International publication number: WO 2025/088424 (01.05.2025 Gazette 2025/18)

(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: 26.10.2023 WO PCT/IB2023/060791 (71) Applicant: ArcelorMittal 1160 Luxembourg (LU)	(72) Inventors: DURIGHELLO, Paul 57100 Thionville (FR) VALENTIN, Rémi 57740 Longeville les Saint-Avold (FR) VICENTE-HERNANDEZ, Patrice 46540 EL PUIG Valencia (ES) (74) Representative: Plaisant, Sophie Marie  ArcelorMittal France Research & Development Intellectual Property 6, rue André Campra 93200 Saint-Denis 93200 Saint-Denis (FR)