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 mineral sequestration of carbon dioxide.

(71) Carbon Capture Machine (UK) Limited, Aberdeenshire (GB)

Issue 9/2016 WO 2016/115398 A1

Controlled process for precipitating calcium carbonate and vaterite precipitated calcium carbonate compositions formed by said process

(22) 14.01.2016 (43) 21.07.2016 (57) A process for converting gypsum into precipitated calcium carbonate including reacting a mixture comprising gypsum and a seed, a mineral acid, or both with at...

Issue 4/2023 WO 2023/054239 A1

Method for fixing carbon dioxide, method for producing calcium carbonate, and method for utilizing waste gypsum board

(22) 26.09.2022 (43) 06.04.2023 (57) The present invention provides a method whereby carbon dioxide can be efficiently fixed and calcium carbonate, which is a valuable, can be efficiently produced...

Issue 04/2024 WO 2024/073793 A1

Improved cement additive formulations, pre-set concrete compositions, concrete products, and methods for preparation thereof

(22) 06.10.2022 (43) 11.04.2024 (57) The present invention provides a cement additive formulation, including siloxane components; calcium containing components; carbon coated mineral components;...

Issue 1/2024 WO 2023/208755 A1

Storage of carbon dioxide released from lime

(22) 21.04.2023 (43) 02.11.2023 (57) The present invention relates to a method of producing calcium oxalate from calcium carbonate the method comprising 0 the steps of: (a) producing CO2 by contacting...

Issue 04/2024 WO 2024/081129 A1

Precipitated calcium carbonate (pcc) as feedstock in hydraulic cement production, and hydraulic cements produced therefrom

(22) 03.10.2023 (43) 18.04.2024 (57) Methods of making a hydraulic cement are provided. Aspects of the methods include employing precipitated calcium 71. carbonate (PCC), such as a CO2 sequestering...

ZKG 2/2022