US 2020/0079694 A1

Composite cement and method of manufacturing
composite cement

(22) 04.06.2018

(43) 12.03.2020

(57) The present invention relates to a composite cement obtainable by grinding Portland cement clinker and latent hydraulic material together, preferably in the presence of at least one amine grinding aid, to provide a ground mixture and combining the ground mixture with a mineral filler. It further relates to a method of manufacturing the composite cement comprising the steps of grinding a latent hydraulic material and a Portland cement clinker together, preferably in the presence of at least one amine, to provide a ground mixture and combining the ground mixture with one or more mineral fillers as well as to binders and to using the cement or binders as building material.

(71) HeidelbergCement AG, Heidelberg (DE)

(73) HeidelbergCement AG, Heidelberg (DE)

Issue 3/2019 WO 2018/228839 A1

Composite cement and method of manufacturing composite cement

(22) 04.06.2018 (43) 20.12.2018 (57) The present invention relates to a composite cement obtainable by grinding Portland cement clinker and latent hydraulic material together, preferably in the...

Issue 4/2023 RO137344 (A2)

Process for manufacturing clinker and Portland cement using glass waste in the raw mixture

(22) 23.09.2021 (43) 30.03.2023 (57) The invention relates to a process for manufacturing clinker and Portland cement by using non-recyclable white/coloured glass waste from glass industry, in the raw...

Issue 4/2020 PL425827 (A1)

Iron-bearing composite added to raw-material flour in the Portland clinker production process

(22) 05.06.2018 (43) 16.12.2019 (57) The subject of the application is an iron-bearing composite used in the production of Portland clinker. This composite is a mixture that contains fine-grained...

Issue 6/2019 RO133202 (A2)

Method for determining quartz, calcite and dolomite with critical sizes from a mixture of raw materials for Portland cement clinker preparation

(22) 25.09.2017 (43) 29.03.2019 (57) The invention relates to a method for determining the content of quartz, calcite and dolomite with critical sizes from a mixture of raw materials for Portland...

Issue 6/2016 OPTERRA GMBH

Separate grinding for higher-performance cements

By tradition, cement is produced by mixing and grinding the two or three main constituents together. In other words, the starting materials are subjected to straight-through refining, or...

ZKG 5-6/2020