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(11)

EP 4 466 241 A1

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(43) Date of publication: 27.11.2024 Bulletin 2024/48 (21) Application number: 23701107.7 (22) Date of filing: 18.01.2023

(51) International Patent Classification (IPC):  C04B 28/14(2006.01) B33Y 70/00(2020.01) E04B 2/56(2006.01) E04C 2/288(2006.01) C04B 111/28(2006.01) C04B 28/16(2006.01) B33Y 80/00(2015.01) E04C 1/41(2006.01) C04B 38/10(2006.01) C04B 111/34(2006.01) (52) Cooperative Patent Classification (CPC): C04B 2111/34; C04B 2111/28; C04B 2111/00181; C04B 2111/00663; C04B 28/14; C04B 28/145; C04B 28/16; B33Y 70/00; B33Y 80/00; C04B 38/10   C-Sets: C04B 28/16, C04B 7/02, C04B 7/323, C04B 14/06, C04B 38/10, C04B 2103/10, C04B 2103/20, C04B 2103/40; C04B 28/145, C04B 7/02, C04B 7/323, C04B 14/06, C04B 22/10, C04B 22/147, C04B 24/06, C04B 24/06, C04B 38/10, C04B 2103/0008; C04B 28/145, C04B 7/02, C04B 7/323, C04B 14/06, C04B 38/10, C04B 2103/10, C04B 2103/20, C04B 2103/40; C04B 28/16, C04B 7/02, C04B 7/323, C04B 14/06, C04B 22/10, C04B 22/147, C04B 24/06, C04B 24/06, C04B 38/10, C04B 2103/0008; (86) International application number: PCT/EP2023/051133 (87) International publication number: WO 2023/139126 (27.07.2023 Gazette 2023/30)

(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: KH MA MD TN (30) Priority: 19.01.2022 EP 22315014 (71) Applicant: Saint-Gobain Weber France 94370 Sucy en Brie (FR)	(72) Inventors: DUNEVA, Elena 75015 PARIS (FR) BEAUMONT, Julien 92400 Courbevoie (FR) DUDDA, Udo 40549 Düsseldorf (DE) (74) Representative: Saint-Gobain Recherche  41 Quai Lucien Lefranc 93300 Aubervilliers 93300 Aubervilliers (FR)