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EP 4 363 390 A1

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(43) Date of publication: 08.05.2024 Bulletin 2024/19 (21) Application number: 22747594.4 (22) Date of filing: 30.06.2022

(51) International Patent Classification (IPC):  C04B 28/04(2006.01) C09K 8/467(2006.01) C04B 28/06(2006.01) (52) Cooperative Patent Classification (CPC): C04B 28/04; C09K 8/467; C04B 28/065; Y02W 30/91   C-Sets: C04B 28/04, C04B 14/062, C04B 14/18, C04B 18/08, C04B 18/082, C04B 18/141, C04B 18/146, C04B 40/0608, C04B 2103/0088; C04B 28/04, C04B 14/062, C04B 14/18, C04B 18/08, C04B 18/082, C04B 18/141, C04B 18/146, C04B 38/02, C04B 38/10, C04B 2103/0088, C04B 2103/304; C04B 28/065, C04B 14/062, C04B 14/18, C04B 18/08, C04B 18/082, C04B 18/141, C04B 18/146, C04B 22/143, C04B 38/02, C04B 38/10, C04B 2103/0088, C04B 2103/304; C04B 28/065, C04B 14/062, C04B 14/18, C04B 18/08, C04B 18/082, C04B 18/141, C04B 18/146, C04B 22/143, C04B 40/0608, C04B 2103/0088; (86) International application number: PCT/EP2022/068092 (87) International publication number: WO 2023/275266 (05.01.2023 Gazette 2023/01)

(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: 30.06.2021 SG 10202107247X (71) Applicant: Sika Technology AG 6340 Baar (CH)	(72) Inventors: CHIA, Kok Seng Singapore 533941 (SG) GRONBECH, John Singapore 533941 (SG) (74) Representative: Sika Patent Attorneys  C/o Sika Technology AG Corp. IP Dept. Tüffenwies 16 8048 Zürich 8048 Zürich (CH)