(19)
(11) EP 4 323 557 A1

(12)

(43) Date of publication:
21.02.2024 Bulletin 2024/08

(21) Application number: 22787182.9

(22) Date of filing: 01.04.2022
(51) International Patent Classification (IPC): 
C22C 21/06(2006.01)
C22C 21/00(2006.01)
B22D 18/06(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 21/06; B22D 21/04
(86) International application number:
PCT/CA2022/050497
(87) International publication number:
WO 2022/217338 (20.10.2022 Gazette 2022/42)
(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: 14.04.2021 US 202163174796 P

(71) Applicant: Rio Tinto Alcan International Limited
Montréal, Québec H3B 0E3 (CA)

(72) Inventors:
  • PAN, Lei
    Jonquière, Québec G7T 0J3 (CA)
  • BRETON, Francis
    Saguenay, Québec G7H 7C3 (CA)
  • MOREL, Martin
    Québec G0V 1L0 (CA)

(74) Representative: Germain Maureau 
12, rue Boileau
69006 Lyon
69006 Lyon (FR)

   


(54) OXIDATION RESISTANT AL-MG HIGH STRENGTH DIE CASTING FOUNDRY ALLOYS