(19)
(11) EP 4 392 591 A1

(12)

(43) Date of publication:
03.07.2024 Bulletin 2024/27

(21) Application number: 22861993.8

(22) Date of filing: 23.08.2022
(51) International Patent Classification (IPC): 
C22C 21/16(2006.01)
C22F 1/057(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 21/16; C22C 21/12; C22F 1/057
(86) International application number:
PCT/US2022/041247
(87) International publication number:
WO 2023/028070 (02.03.2023 Gazette 2023/09)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 24.08.2021 US 202163236614 P

(71) Applicant: Arconic Technologies LLC
Pittsburgh, PA 15212-5858 (US)

(72) Inventors:
  • SAUZA, Daniel J.
    Pittsburgh, Pennsylvania 15237 (US)
  • BOSELLI, Julien
    Renton, Washington 98058 (US)

(74) Representative: Forresters IP LLP 
Skygarden Erika-Mann-Straße 11
80636 München
80636 München (DE)

   


(54) METHODS OF PRODUCING 2XXX ALUMINUM ALLOYS