(19)
(11) EP 3 642 375 A1

(12)

(43) Date of publication:
29.04.2020 Bulletin 2020/18

(21) Application number: 18740432.2

(22) Date of filing: 21.06.2018
(51) International Patent Classification (IPC): 
C22C 21/10(2006.01)
C22F 1/053(2006.01)
(86) International application number:
PCT/US2018/038838
(87) International publication number:
WO 2018/237196 (27.12.2018 Gazette 2018/52)
(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: 21.06.2017 US 201762523128 P
12.10.2017 US 201762571401 P

(71) Applicant: Arconic Inc.
Pittsburgh, PA 15212-5858 (US)

(72) Inventors:
  • BOSELLI, Julien
    Pittsburgh Pennsylvania 15217 (US)
  • BRAY, Gary H.
    Murrysville Pennsylvania 15668 (US)
  • YANAR, Cagatay
    Pittsburgh Pennsylvania 15238 (US)
  • KARABIN, Lynette M.
    Ruffs Dale Pennsylvania 15679 (US)
  • CAMBIER, Severine
    Pittsburgh Pennsylvania 15221 (US)
  • BOVARD, Francine S.
    Monroeville Pennsylvania 15146 (US)
  • LIN, Jen C.
    Export Pennsylvania 15632 (US)

(74) Representative: Barton, Matthew Thomas 
Forresters IP LLP Skygarden Erika-Mann-Strasse 11
80636 München
80636 München (DE)

   


(54) IMPROVED THICK WROUGHT 7XXX ALUMINUM ALLOYS, AND METHODS FOR MAKING THE SAME