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(11)

EP 4 381 148 A1

(12)

(43) Date of publication: 12.06.2024 Bulletin 2024/24 (21) Application number: 22761049.0 (22) Date of filing: 05.08.2022

(51) International Patent Classification (IPC):  E04C 3/00(2006.01) E04B 9/16(2006.01) E04B 2/78(2006.01) E04B 9/00(2006.01) E04B 2/76(2006.01) E04B 2/74(2006.01) (52) Cooperative Patent Classification (CPC): E04C 3/005; E04B 9/001; E04B 9/16; E04B 2/7809; E04B 2/7818; E04B 2/7836; E04B 2/767; E04B 2/7412 (86) International application number: PCT/EP2022/025366 (87) International publication number: WO 2023/011766 (09.02.2023 Gazette 2023/06)

(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: 05.08.2021 EP 21000215 (71) Applicant: Knauf Gips KG 97346 Iphofen (DE)	(72) Inventor: HOLFELDER, Klaus 97346 Iphofen (DE)