HRP20181852 (T1)

Portland limestone calcined clay cement

(22) 07.11.2017

(43) 25.01.2019

(57) Summary of the corresponding patent EP2253600 (A1): The present invention relates to a cement comprising Portland cement clinker and a clinker replacement material, wherein the clinker replacement material comprises a carbonate material and a clay material, the clay material being characterised in that the carbonate material and/or the clay material has been treated in such a way that no chemical reaction occurs between the clay minerals and the carbonate material.

(71) Aalborg Portland A/S (DK)

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