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(11)

EP 4 423 034 A1

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(43) Date of publication: 04.09.2024 Bulletin 2024/36 (21) Application number: 22809751.5 (22) Date of filing: 26.10.2022

(51) International Patent Classification (IPC):  C04B 28/02(2006.01) C04B 111/00(2006.01) C04B 111/27(2006.01) C04B 20/02(2006.01) C04B 111/60(2006.01) C04B 111/70(2006.01) (52) Cooperative Patent Classification (CPC): C04B 20/026; C04B 28/02; C04B 2111/00637; C04B 2111/00672; C04B 2111/00482; C04B 2111/27; C04B 2111/60; C04B 2111/70; Y02W 30/91   C-Sets: C04B 20/026, C04B 7/02, C04B 14/46, C04B 18/141, C04B 18/144; C04B 28/02, C04B 12/04, C04B 14/46, C04B 18/141, C04B 18/144, C04B 20/008, C04B 22/064, C04B 22/106, C04B 22/12, C04B 22/14, C04B 22/16, C04B 24/04, C04B 24/06, C04B 40/0608, C04B 2103/001; (86) International application number: PCT/EP2022/079863 (87) International publication number: WO 2023/072984 (04.05.2023 Gazette 2023/18)

(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: 28.10.2021 EP 21205161 (71) Applicant: Saint-Gobain Weber France 94370 Sucy en Brie (FR)	(72) Inventors: YAMMINE-MALESYS, Joumana 92400 Courbevoie (FR) LAUREN, Gunnar 00380 HELSINKI (FI) (74) Representative: Saint-Gobain Recherche  Département Propriété Industrielle Boîte Postale 135 39 quai Lucien Lefranc 93303 Aubervilliers Cedex 93303 Aubervilliers Cedex (FR)