(19)
(11) EP 4 519 474 A1

(12)

(43) Date of publication:
12.03.2025 Bulletin 2025/11

(21) Application number: 23726252.2

(22) Date of filing: 02.05.2023
(51) International Patent Classification (IPC): 
C22C 1/02(2006.01)
C22F 1/047(2006.01)
C21D 9/46(2006.01)
B65D 1/12(2006.01)
 C22C 21/08(2006.01)
C21D 8/02(2006.01)
C22B 21/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 21/08; C22C 1/026; C22F 1/047; C21D 8/0226; C21D 8/0236; C21D 8/0247; C21D 8/0273; C21D 9/46; C22B 21/0092
(86) International application number:
PCT/US2023/020715
(87) International publication number:
WO 2023/215308 (09.11.2023 Gazette 2023/45)
(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: 04.05.2022 US 202263364163 P

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

(72) Inventors:
  • KANG, DaeHoon
    Kennesaw, Georgia 30144 (US)
  • KAMP, Nicolas
    Kennesaw, Georgia 30144 (US)
  • KANG, Minju
    Kennesaw, Georgia 30144 (US)
  • RAY, Atish Kumar
    Kennesaw, Georgia 30144 (US)
  • JANOFF, Anna E.
    Atlanta, Georgia 30318 (US)
  • MEYER, Philippe
    Kennesaw, Georgia 30144 (US)
  • PARK, Jaesuk
    Kennesaw, Georgia 30144 (US)

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

   


(54) HIGH-STRENGTH ALUMINUM ALLOYS FOR CAN END STOCK AND METHODS FOR PREPARING THE SAME