(19)
(11) EP 4 423 308 A1

(12)

(43) Date of publication:
04.09.2024 Bulletin 2024/36

(21) Application number: 22809624.4

(22) Date of filing: 25.10.2022
(51) International Patent Classification (IPC): 
C22F 1/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C22F 1/04
(86) International application number:
PCT/US2022/078643
(87) International publication number:
WO 2023/076889 (04.05.2023 Gazette 2023/18)
(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:
KH MA MD TN

(30) Priority: 26.10.2021 US 202163263052 P

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

(72) Inventors:
  • GUPTA, Alok Kumar
    Kennesaw, Georgia 30144 (US)
  • LANSFORD, Jefferson
    Kennesaw, Georgia 30144 (US)
  • HICKSON, Charissa
    Kennesaw, Georgia 30144 (US)
  • TEBIB, Farid
    Kennesaw, Georgia 30144 (US)
  • MORROW, Chadwick
    Clarksville, Tennessee 37040 (US)

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

   


(54) HEAT TREATED ALUMINUM SHEETS AND PROCESSES FOR MAKING