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(11)

EP 4 739 756 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24723747.2 (22) Date of filing: 30.04.2024

(51) International Patent Classification (IPC):  C10L 3/10(2006.01) (52) Cooperative Patent Classification (CPC): C10L 3/104; C10L 2290/28; C10L 2290/541; C10L 2290/542; C04B 20/023; Y02E 50/30; C04B 28/02   C-Sets: C04B 20/023, C04B 14/042, C04B 14/043, C04B 18/08, C04B 18/12, C04B 18/16, C04B 18/061, C04B 18/141, C04B 18/0418, C04B 22/10, C04B 22/064; C04B 28/02, C04B 14/042, C04B 14/043, C04B 18/08, C04B 18/12, C04B 18/16, C04B 18/061, C04B 18/141, C04B 18/0418, C04B 22/064; (86) International application number: PCT/EP2024/061873 (87) International publication number: WO 2025/008093 (09.01.2025 Gazette 2025/02)

(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: 03.07.2023 EP 23183149 (71) Applicant: Heidelberg Materials AG 69120 Heidelberg (DE)	(72) Inventors: SKOCEK, Jan 69120 Heidelberg (DE) ZAJAC, Maciej 69120 Heidelberg (DE) DIENEMANN, Wolfgang 69120 Heidelberg (DE) (74) Representative: Zellentin & Partner mbB Patentanwälte  Rubensstraße 30 67061 Ludwigshafen 67061 Ludwigshafen (DE)