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(11)

EP 4 770 980 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 24820756.5 (22) Date of filing: 06.12.2024

(51) International Patent Classification (IPC):  C04B 28/16(2006.01) C04B 7/32(2006.01) C04B 103/00(2006.01) C04B 18/24(2006.01) C04B 111/52(2006.01) C04B 18/14(2006.01) C04B 14/10(2006.01) C04B 14/18(2006.01) C04B 14/02(2006.01) (52) Cooperative Patent Classification (CPC): C04B 28/16; C04B 2111/52; Y02W 30/91   C-Sets: C04B 28/16, C04B 18/141, C04B 7/32; C04B 28/16, C04B 18/141, C04B 7/32, C04B 14/106, C04B 14/10, C04B 18/146, C04B 2103/0088, C04B 11/002, C04B 14/28, C04B 14/26, C04B 14/18, C04B 18/08, C04B 18/167, C04B 14/022, C04B 18/26, C04B 18/241, C04B 18/248, C04B 2103/10, C04B 2103/20, C04B 2103/30, C04B 2103/44, C04B 2103/54; C04B 28/16, C04B 18/141, C04B 7/32, C04B 14/28, C04B 2103/32, C04B 18/26, C04B 40/0259; (86) International application number: PCT/EP2024/085136 (87) International publication number: WO 2025/120191 (12.06.2025 Gazette 2025/24)

(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: 07.12.2023 EP 23215053 (71) Applicant: Kingspan Holdings (IRL) Limited Kingscourt County Cavan (IE)	(72) Inventors: SANCHEZ, Jesus Rodriguez Stoke on Trent ST1 5FB (GB) ERIKANDATH, Sumesh Kingscourt (IE) (74) Representative: Tomkins & Co  5 Dartmouth Road Dublin 6, D06 F9C7 Dublin 6, D06 F9C7 (IE)