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EP 4 739 639 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24742489.8 (22) Date of filing: 08.07.2024

(51) International Patent Classification (IPC):  C04B 24/30(2006.01) C04B 28/08(2006.01) C04B 18/10(2006.01) C04B 14/06(2006.01) C04B 24/26(2006.01) C04B 24/06(2006.01) C04B 28/04(2006.01) C04B 18/14(2006.01) C04B 14/28(2006.01) C04B 103/52(2006.01) C04B 103/30(2006.01) C04B 7/02(2006.01) (52) Cooperative Patent Classification (CPC): C04B 28/08; C04B 28/04; C04B 24/302   C-Sets: C04B 28/08, C04B 7/02, C04B 18/108, C04B 14/28, C04B 14/06, C04B 24/302, C04B 2103/52, C04B 24/2647, C04B 2103/304, C04B 24/06; C04B 28/04, C04B 18/141, C04B 18/108, C04B 14/28, C04B 14/06, C04B 24/302, C04B 2103/52, C04B 24/2647, C04B 2103/304, C04B 24/06; (86) International application number: PCT/EP2024/069149 (87) International publication number: WO 2025/012187 (16.01.2025 Gazette 2025/03)

(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: 07.07.2023 JP 2023112609 (71) Applicant: Sika Technology AG 6340 Baar (CH)	(72) Inventors: ODA, Kenta Hiratsuka, Kanagawa 254-0021 (JP) SAITOH, Kaname Hiratsuka, Kanagawa 254-0021 (JP) TAMURA, Atsushi Hiratsuka, Kanagawa 254-0021 (JP) ONODA, Noriyuki Hiratsuka, Kanagawa 254-0021 (JP) (74) Representative: Sika Patent Attorneys  C/o Sika Technology AG Corp. IP Dept. Tüffenwies 16 8048 Zürich 8048 Zürich (CH)