(19)
(11) EP 3 898 549 A1

(12)

(43) Date of publication:
27.10.2021 Bulletin 2021/43

(21) Application number: 19824358.6

(22) Date of filing: 20.12.2019
(51) International Patent Classification (IPC): 
C04B 7/26(2006.01)
C04B 7/43(2006.01)
 C04B 7/345(2006.01)
C04B 7/47(2006.01)
(52) Cooperative Patent Classification (CPC):
C04B 7/26; C04B 7/345; C04B 7/43; C04B 7/47; Y02P 40/10; Y02P 40/121; Y02P 40/18
(86) International application number:
PCT/EP2019/086860
(87) International publication number:
WO 2020/128077 (25.06.2020 Gazette 2020/26)
(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: 21.12.2018 EP 18306825

(71) Applicant: Holcim Technology Ltd
6300 Zug (CH)

(72) Inventors:
  • FEREY, Frédérique
    5113 HOLDERBANK (CH)
  • PISCH, Alexander
    5113 HOLDERBANK (CH)

(74) Representative: Regimbeau 
20, rue de Chazelles
75847 Paris Cedex 17
75847 Paris Cedex 17 (FR)

   


(54) VERSATILE METHOD FOR PREPARING CARBONATABLE CLINKER MATERIALS