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EP 4 469 418 A1

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(43) Date of publication: 04.12.2024 Bulletin 2024/49 (21) Application number: 22840675.7 (22) Date of filing: 20.12.2022

(51) International Patent Classification (IPC):  C04B 24/42(2006.01) C04B 40/00(2006.01) C04B 111/54(2006.01) C04B 26/18(2006.01) C04B 111/20(2006.01) (52) Cooperative Patent Classification (CPC): C04B 26/18; C04B 2111/542; C04B 24/42; C04B 2111/20; C04B 40/0039   C-Sets: C04B 26/18, C04B 14/22, C04B 24/42, C04B 24/42, C04B 40/0071, C04B 40/0089; C04B 40/0039, C04B 24/42, C04B 24/42; (86) International application number: PCT/EP2022/086889 (87) International publication number: WO 2023/143826 (03.08.2023 Gazette 2023/31)

(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: KH MA MD TN (30) Priority: 27.01.2022 EP 22382067 (71) Applicant: Cosentino Research & Development, S.L. 04850 Cantoria, Almeria (ES)	(72) Inventors: FRATTINI, Lucia 04850 Cantoria, Almería (ES) CENTELLES SÁNCHEZ, Adrián 04850 Cantoria, Almería (ES) ESPINOSA IGLESIAS, David 04850 Cantoria, Almería (ES) (74) Representative: ABG Intellectual Property Law, S.L.  Avenida de Burgos, 16D Edificio Euromor 28036 Madrid 28036 Madrid (ES)