(19)
(11) EP 3 987 072 A1

(12)

(43) Date of publication:
27.04.2022 Bulletin 2022/17

(21) Application number: 20831122.5

(22) Date of filing: 23.06.2020
(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/US2020/039196
(87) International publication number:
WO 2020/263864 (30.12.2020 Gazette 2020/53)
(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: 24.06.2019 US 201962865716 P

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

(72) Inventors:
  • CAMBIER, Severine
    Pittsburgh, Pennsylvania 15221 (US)
  • BOSELLI, Julien
    Pittsburgh, Pennsylvania 15217 (US)
  • WANG, Wei
    State College, Pennsylvania 16801 (US)
  • YANAR, Cagatay
    Pittsburgh, Pennsylvania 15238 (US)

(74) Representative: 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