(19)
(11) EP 4 824 935 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24772054.3

(22) Date of filing: 26.08.2024
(51) International Patent Classification (IPC): 
H02S 20/25(2014.01)
H02S 20/26(2014.01)
E04D 3/35(2006.01)
H02S 40/36(2014.01)
(52) Cooperative Patent Classification (CPC):
E04D 3/352; H02S 20/26; H02S 40/36; H02S 20/25; Y02B 10/10
(86) International application number:
PCT/IB2024/058285
(87) International publication number:
WO 2025/125921 (19.06.2025 Gazette 2025/25)
(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: 12.12.2023 WO PCT/IB2023/062536

(71) Applicant: ArcelorMittal
1160 Luxembourg (LU)

(72) Inventors:
  • BEGUE, Olivier
    55000 Brillon-En-Barrois (FR)
  • VIGNAL, Renaud
    74320 SEVRIER (FR)
  • DESCAZEAUX, Médéric
    55000 Bar-Le-Duc (FR)

(74) Representative: Plaisant, Sophie Marie 
ArcelorMittal France Research & Development Intellectual Property 6, rue André Campra
93200 Saint-Denis
93200 Saint-Denis (FR)

   


(54) SANDWICH PANEL AND BUILDING ENVELOPE THEREOF