(19)

(11)

EP 4 388 142 A1

(12)

(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22761018.5 (22) Date of filing: 16.08.2022

(51) International Patent Classification (IPC):  C22C 9/00(2006.01) C22F 1/08(2006.01) (52) Cooperative Patent Classification (CPC): C22C 9/00; C22F 1/08 (86) International application number: PCT/IB2022/057654 (87) International publication number: WO 2023/021418 (23.02.2023 Gazette 2023/08)

(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: 17.08.2021 EP 21191630 (71) Applicant: LN Industries SA 1424 Champagne (CH)	(72) Inventor: ROUXEL, Baptiste 2000 Neuchâtel (CH) (74) Representative: Micheli & Cie SA  Rue de Genève 122 Case Postale 61 1226 Genève-Thônex 1226 Genève-Thônex (CH)