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(11)

EP 4 476 411 A1

(12)

(43) Date of publication: 18.12.2024 Bulletin 2024/51 (21) Application number: 24722651.7 (22) Date of filing: 02.05.2024

(51) International Patent Classification (IPC):  E04C 2/06(2006.01) E04C 2/04(2006.01) E04B 5/02(2006.01) (52) Cooperative Patent Classification (CPC): E04C 2/06; E04C 2/50; E04C 2/043; E04C 2/044 (86) International application number: PCT/EP2024/062145 (87) International publication number: WO 2024/227888 (07.11.2024 Gazette 2024/45)

(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: GE KH MA MD TN (30) Priority: 03.05.2023 LU 103116 (71) Applicant: B.O. Base One Industries Limited 1070 Nicosia (CY)	(72) Inventor: EL KHOURY, Charles Joseph Amchit (LB) (74) Representative: Paustian & Partner Patentanwälte mbB  Oberanger 32 80331 München 80331 München (DE)