(22) 25.10.2017(43) 16.08.2018(57) A method of making a cement composition, comprising grinding a cement clinker and a strength-enhancing agent, thereby producing a hydraulic cementitious powder,...
(22) 02.01.2018(43) 06.09.2018(57) The present invention is a new method to efficiently reclaim cement from a horizontal warehouse. This new reclaiming method combines a mechanical cement reclaiming...
(22) 26.08.2015(43) 30.08.2018(57) A mixer has a circular housing defining a mixing area for mixing and kneading of a gypsum slurry. A rotary disc is positioned in the housing and rotated in a...
(22) 11.04.2018(43) 16.08.2018(57) A cementitious composition includes (i) white Portland cement having a fineness of about 350-550 m2/kg, D90 between about 11-50 μm, and total combined iron oxide,...
(22) 02.05.2017(43) 24.08.2018(57) Field: manufacturing technology. Substance: invention relates to the areas of production of materials using rotary kilns, for example, in the cement, metallurgical,...
(22) 28.07.2014(43) 31.08.2018(57) Summary of the corresponding patent DE102013108410 (B3): Das erfindungsgemäß Verfahren zum Brennen und Kühlen von Karbonatgesteinen erfolgt in einem...
(22) 03.11.2016(43) 12.09.2018(57) Disclosed are various methods for reducing levels of elemental sulfur within gypsum products such as wall board. Gypsum sometimes includes increased levels of...
(22) 21.10.2016(43) 05.09.2018(57) Summary of the corresponding patent WO2017072047 (A1): This invention relates to water-resistant gypsum products manufactured with water-based emulsions comprising...
(22) 13.10.2016(43) 29.08.2018(57) Summary of the corresponding patent US2017107151 (A1): This invention relates to water-resistant gypsum products manufactured with water-based emulsions comprising...
German cement manufacturers invest a lot of money in environmental protection. As shown by the recently published “Environmental Data of the German Cement Industry 2017”, constant investment in...
