(19)

(11)

EP 4 824 185 A1

(12)

(43) Date of publication: 21.10.2026 Bulletin 2026/43 (21) Application number: 24827054.8 (22) Date of filing: 11.12.2024

(51) International Patent Classification (IPC):  C09K 3/22(2006.01) E04B 1/76(2006.01) C03C 25/255(2018.01) (52) Cooperative Patent Classification (CPC): C09K 3/22; C03C 25/255; E04B 1/90 (86) International application number: PCT/EP2024/085784 (87) International publication number: WO 2025/125377 (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: 13.12.2023 EP 23383288 (71) Applicant: FORESA TECHNOLOGIES, S.L.U. 36650 Caldas de Reis Pontevedra (ES)	(72) Inventors: GONZÁLEZ BARRAL, Antía 36650 Pontevedra (ES) VILLAVERDE DIOS, Patricia 36650 Pontevedra (ES) FERNÁNDEZ FONDEVILA, Luciano 36650 Pontevedra (ES) (74) Representative: Balder IP Law, S.L.  Paseo de la Castellana 93 5ª planta 28046 Madrid 28046 Madrid (ES)