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Heidelbergcement Ag patents


Recent patent applications related to Heidelbergcement Ag. Heidelbergcement Ag is listed as an Agent/Assignee. Note: Heidelbergcement Ag may have other listings under different names/spellings. We're not affiliated with Heidelbergcement Ag, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "H" | Heidelbergcement Ag-related inventors


Method for grinding cement clinker

Method of grinding cement clinkers comprising at least two kinds of clinker phases with differing grindability.. . ... Heidelbergcement Ag

Method for binding of carbon dioxide

The invention relates to a method for binding of carbon dioxide, comprising: providing a starting material which comprises sources for cao and sio2 and optionally also al, fe and/or mg, hydrothermally treating the starting material in an autoclave at 50 to 300° c., tempering at 350 to 600° c., and hardening the resulting material with carbon dioxide. The invention further relates to building elements which are obtained by hardening a material according to the method.. ... Heidelbergcement Ag

Retarding mixture for alkali-activated binding agents

. . The invention relates to a retarding mixture comprising sodium gluconate and alkali hydrogen carbonate, an alkali-activated binding agent containing sodium gluconate and alkali hydrogen carbonate and a method for adjusting the strength development, wherein sodium gluconate and alkali hydrogen carbonate are added to an alkali-activated binding agent.. . ... Heidelbergcement Ag

Treatment of exhaust gases from cement clinker production

Method for the purification of exhaust gas from the production of cement clinker in a rotary kiln, in which raw materials are ground in a mill to form raw meal, raw meal is preheated in countercurrent in a preheater with exhaust gas from the rotary kiln and optionally precalcined, preheated and optionally precalcined raw meal is supplied to the rotary kiln and burned in the rotary kiln to form cement, the exhaust gas from the rotary kiln is denitrified before entering the preheater of a selective non-catalytic nitrogen oxide reduction with a reagent which provides ammonia, and wherein, according to the invention, the exhaust gas from the preheater is subjected to gas conditioning and catalytic oxidation of ammonia. The object is further solved by means of a device for gas conditioning and catalytic oxidation which is arranged between the preheater and the mill.. ... Heidelbergcement Ag

Supplementary cementitous material made of aluminium silicate and dolomite

A method for producing a supplementary cementitious material (scm) that includes providing a starting material containing dolomite and aluminium silicate, converting the starting material to the supplementary cementitious material by burning in the temperature range of >800 to 1100° c. Or by burning in the temperature range of 725 to 950° c. ... Heidelbergcement Ag

Structuring elements for road surfaces, use thereof and method for producing road surfaces

The invention relates to texturizing elements for sanding or blunting traffic surfaces, said elements having a tetrahedral basic shape having a distance between two corner points of 2 to 10 mm, wherein the texturizing elements have surfaces that are bent to be concave having a ratio of arching height to distance between two corner points ranging from 0.05 to 0.35, and a compressive strength of at least 120 mpa according to din en 196-1. The invention furthermore relates to a method for producing or restoring traffic surfaces, in which the texturizing elements are sanded on the still plastic cover layer and are rolled in, impressed or rubbed into it, and the use of the texturizing elements for sanding or blunting traffic surfaces.. ... Heidelbergcement Ag

Dry mortar, mortar slurry and method for producing semi-rigid coatings

The present invention relates to a dry mortar and a mortar slurry as well as a method for producing semi-rigid coatings. In one embodiment, the dry mortar or the mortar slurry contains a cement, a very fine component and a plasticizer and is free from silica fume, wherein the mortar slurry can be applied at a temperature of the asphalt support structure of 55 to 80° c. ... Heidelbergcement Ag








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