(19)
(11) EP 4 584 409 A1

(12)

(43) Date of publication:
16.07.2025 Bulletin 2025/29

(21) Application number: 23783247.2

(22) Date of filing: 08.09.2023
(51) International Patent Classification (IPC): 
C22C 21/02(2006.01)
C22F 1/05(2006.01)
 C22F 1/043(2006.01)
(52) Cooperative Patent Classification (CPC):
C22F 1/043; C22F 1/05; C22C 21/02
(86) International application number:
PCT/US2023/073719
(87) International publication number:
WO 2024/054968 (14.03.2024 Gazette 2024/11)
(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: 09.09.2022 US 202263375093 P

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

(72) Inventors:
  • LIANG, Zeqin
    Kennesaw, Georgia 30144 (US)
  • FLOREY, Guillaume Hubert
    Kennesaw, Georgia 30144 (US)
  • FRIEDLI, Jonathan
    Kennesaw, Georgia 30144 (US)
  • BARMAN, Géraldine
    Kennesaw, Georgia 30144 (US)
  • PIROTEALA, Tudor
    Kennesaw, Georgia 30144 (US)
  • FELBERBAUM, Milan
    Kennesaw, Georgia 30144 (US)
  • DESPOIS, Jean-Francois
    Kennesaw, Georgia 30144 (US)

(74) Representative: Weickmann & Weickmann PartmbB 
Postfach 860 820
81635 München
81635 München (DE)

   


(54) HIGH RECYCLE CONTENT ALUMINUM ALLOYS AND METHODS OF MAKING AND USING