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EP 4 562 211 A2

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(88) Date of publication A3: 18.07.2024 (43) Date of publication: 04.06.2025 Bulletin 2025/23 (21) Application number: 23866622.6 (22) Date of filing: 05.07.2023

(51) International Patent Classification (IPC):  C22C 21/02(2006.01) C22F 1/043(2006.01) C22F 1/05(2006.01) C22C 21/08(2006.01) C22F 1/047(2006.01) (52) Cooperative Patent Classification (CPC): C22C 21/02; C22C 21/08; C22F 1/05; C22F 1/047; C22F 1/043 (86) International application number: PCT/US2023/069626 (87) International publication number: WO 2024/086389 (25.04.2024 Gazette 2024/17)

(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: 25.07.2022 US 202263369307 P (71) Applicant: Novelis Inc. Atlanta, GA 30326 (US)

(72) Inventors: WANG, Shanshan Kennesaw, Georgia 30144 (US) SEN, Fatih Gurcag Kennesaw, Georgia 30144 (US) LATYPOV, Marat Oro Valley, Arizona 85737 (US) MURPHY, Heath Randall Kennesaw, Georgia 30144 (US) DAS, Sazol Kumar Kennesaw, Georgia 30144 (US) HAINES, Kyle Kennesaw, Georgia 30144 (US) ARTSYKHOVSKA, Dariya Kennesaw, Georgia 30144 (US) KUMAR RAJ, Shruthi Tiruchirapalli Irvine, California 92780 (US) MARIAUX, Aurele Blaise Kennesaw, Georgia 30144 (US) YUAN, Yudie Kennesaw, Georgia 30144 (US) HEGADEKATTE, Vishwanath Kennesaw, Georgia 30152 (US) LIN, Jen-Chwen Kennesaw, Georgia 30144 (US) (74) Representative: Weickmann & Weickmann PartmbB  Postfach 860 820 81635 München 81635 München (DE)