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EP 4 499 331 A1

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(43) Date of publication: 05.02.2025 Bulletin 2025/06 (21) Application number: 23717800.9 (22) Date of filing: 23.03.2023

(51) International Patent Classification (IPC):  B22D 11/06(2006.01) B22D 11/118(2006.01) B22D 11/16(2006.01) B22D 11/103(2006.01) B22D 11/10(2006.01) B22D 11/18(2006.01) (52) Cooperative Patent Classification (CPC): B22D 11/0622; B22D 11/06; B22D 11/0637; B22D 11/064; B22D 11/103; B22D 11/118; B22D 11/10; B22D 11/16; B22D 11/18 (86) International application number: PCT/US2023/064864 (87) International publication number: WO 2023/192797 (05.10.2023 Gazette 2023/40)

(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: KH MA MD TN (30) Priority: 30.03.2022 US 202263362135 P (71) Applicant: Novelis Inc. Atlanta, GA 30326 (US)	(72) Inventors: ROZIER, Bertrand Kennesaw, Georgia 30144 (US) BREYSSE, Claude Kennesaw, Georgia 30144 (US) GRIFFON, Jacques Kennesaw, Georgia 30144 (US) (74) Representative: Weickmann & Weickmann PartmbB  Postfach 860 820 81635 München 81635 München (DE)