(19)
(11) EP 3 368 702 A1

(12)

(43) Date of publication:
05.09.2018 Bulletin 2018/36

(21) Application number: 16860785.1

(22) Date of filing: 27.10.2016
(51) International Patent Classification (IPC): 
C22C 21/10(2006.01)
(86) International application number:
PCT/US2016/059120
(87) International publication number:
WO 2017/075217 (04.05.2017 Gazette 2017/18)
(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 MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
MA MD

(30) Priority: 29.10.2015 US 201562248165 P

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

(72) Inventors:
  • YAN, Xinyan
    Murrysville, Pennsylvania 15668 (US)
  • BRYANT, James Daniel
    Murrysville, Pennsylvania 15668 (US)
  • LIN, Jen C.
    Export, Pennsylvania 15632 (US)
  • ZHANG, Wenping
    Murrysville, Pennsylvania 15668 (US)
  • SIMIELLI, Eider
    Monroeville, Pennsylvania 15146 (US)

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

   


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