(19)
(11) EP 4 816 120 A1

(12)

(43) Date of publication:
07.10.2026 Bulletin 2026/41

(21) Application number: 24821974.3

(22) Date of filing: 21.11.2024
(51) International Patent Classification (IPC): 
B23K 35/02(2006.01)
C22C 21/02(2006.01)
B32B 15/01(2006.01)
 B23K 35/28(2006.01)
C22C 21/04(2006.01)
(52) Cooperative Patent Classification (CPC):
C22C 21/02; C22C 21/04; B23K 35/0238; B23K 35/288; B23K 35/286; B32B 15/016
(86) International application number:
PCT/IB2024/061682
(87) International publication number:
WO 2025/114826 (05.06.2025 Gazette 2025/23)
(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:
GE KH MA MD TN

(30) Priority: 30.11.2023 US 202363604354 P

(71) Applicant: Novelis Koblenz GmbH
56070 Koblenz (DE)

(72) Inventors:
  • JACOBY, Bernd
    56070 Koblenz (DE)
  • RITZ, Fabian
    56070 Koblenz (DE)
  • SMEYERS, Axel Alexander Maria
    56070 Koblenz (DE)
  • KIRKHAM, Steven
    56070 Koblenz (DE)

(74) Representative: Weickmann & Weickmann PartmbB 
Postfach 860 820
81635 München
81635 München (DE)

   


(54) 4XXX SERIES ALUMINUM ALLOYS FOR BRAZING APPLICATIONS COMPRISING RECYCLED CONTENT