(19)
(11) EP 4 519 475 A1

(12)

(43) Date of publication:
12.03.2025 Bulletin 2025/11

(21) Application number: 23725595.5

(22) Date of filing: 05.05.2023
(51) International Patent Classification (IPC): 
C22C 21/02(2006.01)
C22C 1/02(2006.01)
C22C 21/04(2006.01)
 B22D 21/00(2006.01)
C22C 1/03(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 21/02; C22C 1/03; C22C 1/026; C22C 21/04; B22D 21/04
(86) International application number:
PCT/EP2023/061884
(87) International publication number:
WO 2023/213987 (09.11.2023 Gazette 2023/45)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 05.05.2022 NO 20220521

(71) Applicant: Norsk Hydro ASA
0283 Oslo (NO)

(72) Inventors:
  • HEUSLER, Leonhard
    53229 Bonn (DE)
  • ÅSHOLT, Petter
    6600 Sunndalsøra (NO)

(74) Representative: Hydro IPD 
Norsk Hydro ASA Intellectual Property P.O. Box 980 Skøyen
0240 Oslo
0240 Oslo (NO)

   


(54) ALSIMGX MASTER ALLOY AND USE OF THE MASTER ALLOY IN THE PRODUCTION OF AN ALUMINIUM ALLOY