(19)

(11)

EP 4 824 004 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24816751.2 (22) Date of filing: 28.11.2024

(51) International Patent Classification (IPC):  C04B 26/14(2006.01) C04B 26/18(2006.01) C04B 26/16(2006.01) C04B 40/00(2006.01) (52) Cooperative Patent Classification (CPC): C04B 40/0666; C04B 40/065; C04B 26/18; C04B 20/0096; C04B 40/0032; C04B 2111/00715; C04B 26/14; C04B 26/16   C-Sets: C04B 26/14, C04B 7/02, C04B 14/06, C04B 14/062, C04B 14/064, C04B 18/08, C04B 20/0096, C04B 22/064, C04B 40/0032, C04B 40/065; (86) International application number: PCT/EP2024/083891 (87) International publication number: WO 2025/124914 (19.06.2025 Gazette 2025/25)

(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: 15.12.2023 EP 23217128 (71) Applicant: Hilti Aktiengesellschaft 9494 Schaan (LI)	(72) Inventors: KUMRU, Memet-Emin 86199 Augsburg (DE) MARTIN-LASANTA, Ana-Maria 35398 Gießen (DE) (74) Representative: Hilti Aktiengesellschaft Corporate Intellectual Property  Feldkircherstrasse 100 Postfach 333 9494 Schaan 9494 Schaan (LI)