(19)
(11) EP 4 232 613 A1

(12)

(43) Date of publication:
30.08.2023 Bulletin 2023/35

(21) Application number: 21883721.9

(22) Date of filing: 19.10.2021
(51) International Patent Classification (IPC): 
C22C 21/10(2006.01)
C22F 1/053(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 21/10; C22F 1/053
(86) International application number:
PCT/US2021/055655
(87) International publication number:
WO 2022/086997 (28.04.2022 Gazette 2022/17)
(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 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: 20.10.2020 US 202063094120 P

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

(72) Inventors:
  • KARABIN, Lynette, M.
    Ruffs Dale, PA 15679 (US)
  • NEWMAN, John, M.
    Export, PA 15632 (US)
  • NORWOOD, Carolyn, G.
    Pittsburgh, PA 15206 (US)

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

   


(54) IMPROVED 7XXX ALUMINUM ALLOYS