HRP20181382 (T1)

Ultra-fast setting cement based on amorphous calcium aluminate

(22) 28.08.2018

(43) 19.10.2018

(57) Summary of the corresponding patent WO2015173525 (A1): The invention relates to an ultra-fast setting cement composition comprising at least amorphous calcium aluminate comprising by weight relative to the total weight of the amorphous calcium aluminate: (a) 35 to 55 % calcium oxide CaO (C); (b) 19 to 55 % alumina AI2O3 (A), the molar ratio C/A being greater than or equal to 1.5; and (c) 0 to 10 % silica SiO2, characterized in that the amorphous calcium aluminate comprises: (d) 5 to 16 % iron oxide Fe2O3. The invention also relates to a method of producing the cement composition and to its uses.

(71) Kerneos (FR)


Related articles:

Issue 2017-4 WO 2017/017376 A1

Long-workability calcium aluminate cement with hardening ­promoted by a temperature increase, and related use

(22) 27.07.2016 (43) 02.02.2017 (57) The invention relates to a calcium aluminate cement containing a calcium aluminate with a first crystallized mineralogical phase of calcium dialuminate CA2,...

Issue 2021-5 US 2021/0155540 A1

Low-belite CSA cement for construction-chemical applications

(22) 18.04.2019 (43) 27.05.2021 (57) The invention relates to a calcium sulfoaluminate cement, whereby it contains at least 90% by weight % C4A3$ in crystalline or amorphous form or as a mixture of...

Issue 2021-6 EP3826978 (A1)

Novel cement composition for 3D printing and method of use

(22) 25.07.2019 (43) 02.06.2021 (57) Summary of the corresponding patent WO2020021202 (A1): The present invention relates to a novel cement composition for 3D printing, comprising: - 90% to 99.5% by...

Issue 2022-2 US 2022/0002197 A1

Additive for blended cement compositions, cement produced therefrom and methods related thereto

(22) 14.11.2019 (43) 06.01.2022 (57) The present invention relates to a cement additive for use in a blended cement composition, the additive comprising a precipitated calcium carbonate formed from...

Issue 2022-2 US 2022/0017414 A1

Method for manufacturing a hydraulic binder

(22) 30.10.2019 (43) 20.01.2022 (57) Disclosed is a method for manufacturing a hydraulic binder including a calcium aluminate, which involves: a) providing a composition including a lime C source...