(22) 21.07.2014
(43) 28.01.2016
(57) Disclosed are methods and compositions for cementing in a subterranean formation. An example method of cementing comprises providing a cement composition...
(22) 23.06.2015
(43) 21.01.2016
(57) A dry cement mixture comprises Portland cement and an ultra-fine component consisting of at least one ultra-fine additive, said ultra-fine component being a...
(22) 06.03.2014
(43) 28.01.2016
(57) Use of an aqueous composition containing at least one polycarboxylate ether as cement grinding aid, wherein the aqueous composition contains one or more...
(22) 13.03.2014
(43) 28.01.2016
(57) The present invention relates to a new sulfo-aluminate based clinker with a low belite content, a method for preparing this clinker, as well as the use of the...
(22) 22.07.2015
(43) 21.01.2016
(57) The invention concerns a process for the preparation of cement/mortar/concrete (for simplicity: “cement”) compositions or systems, (hereafter “cement”...
(22) 30.09.2015
(43) 21.01.2016
(57) The description relates to reducing hydrochloric acid in cement kilns. In one aspect, an aqueous copper-based chloride remediator is introduced into contact with...
(22) 10.07.2015
(43) 28.01.2016
(57) A method and device for producing lightweight panels with a core of gypsum or of cement and gypsum, with pores for decreasing volumetric weight, and with a...
(22) 18.02.2014
(43) 07.01.2016
(57) The Invention is related to increasing of early strength and final strengths of cements classified under EN and ASTM as Portland or CEM cements and also related to...
(22) 10.07.2015
(43) 07.01.2016
(57) The invention provides compositions and methods directed to carbonation of a cement mix during mixing. The carbonation may be controlled by one or more feedback...
(22) 16.09.2012
(45) 12.01.2013
(57) A slag powder and cement production system capable of utilizing slag immediately after generation as a byproduct of a primary manufacturing process to recover...
