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(11)

EP 4 392 188 A1

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(43) Date of publication: 03.07.2024 Bulletin 2024/27 (21) Application number: 22751388.4 (22) Date of filing: 19.07.2022

(51) International Patent Classification (IPC):  B09C 1/08(2006.01) C04B 28/10(2006.01) C02F 101/20(2006.01) C02F 11/00(2006.01) C04B 28/06(2006.01) C02F 101/22(2006.01) (52) Cooperative Patent Classification (CPC): B09C 1/08; C04B 28/06; C04B 28/105; Y02W 30/91   C-Sets: C04B 28/06, C04B 14/304, C04B 14/361, C04B 18/0472, C04B 40/0028, C04B 40/0608, C04B 2103/0086, C04B 2103/302; C04B 28/105, C04B 7/32, C04B 14/361, C04B 18/0472, C04B 22/14, C04B 24/2652, C04B 40/0028, C04B 40/0608; (86) International application number: PCT/EP2022/070237 (87) International publication number: WO 2023/025476 (02.03.2023 Gazette 2023/09)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 27.08.2021 EP 21290052 (71) Applicant: Holcim Technology Ltd 5113 Holderbank (CH)	(72) Inventors: SERCLERAT, Ivan 38070 St Quentin Fallavier (FR) TAPSOBA, Nouffou 38070 St Quentin Fallavier (FR) (74) Representative: HGF  HGF Europe LLP Neumarkter Straße 18 81673 München 81673 München (DE)