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| Number | Title | Issue Date |
| 7258706 | Abrasive particles for surface polishing Polishing compositions are described that are appropriate for fine polishing to very low tolerances. The polishing compositions include particles with small diameters with very narrow distributions in size and effectively no particles with diameters several times la... | 08/21/2007 |
| 6916369 | Beneficiated water reducing compositions Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate super... | 07/12/2005 |
| 5698027 | Method and plant for manufacturing mineralized portland cement clinker The invention relates to a method and a plant for manufacturing mineralized portland cement clinker. The method and plant provides for preheating, calcining, burning and finally cooling the clinker. The mineralizer may e.g. be gypsum, fluorine, or a waste... | 12/16/1997 |
| 5650005 | Process for high free lime content in cement clinker A source of free lime is introduced into a cooling zone of a cement kiln in an amount to elevate the free lime content to a content of 0.6 to 2.0%, by weight. This addition is made without altering the normal or standard process operating parameters of th... | 07/22/1997 |
| 5626666 | Milling agent for cements A cement milling agent characterized in that it is composed essentially of sugar-syrup derivatives prepared by oxidizing and hydrogenating said sugar syrups.... | 05/06/1997 |
| 5624492 | Heat treatment in the control of the setting of cement Portland cement particles having the characteristics of slow hardening is oduced by a process of heat treating portland cement particles in the temperature range from 1500° to 3000° C. for from 0.5 to 10 seconds and cooling to obtain particles containin... | 04/29/1997 |
| 5449404 | Method for manufacturing cement A method for manufacturing cement is described, by which gypsum is added to the clinker in the clinker cooler (3). Hereby it is obtained that the gypsum is dried in a safe, simple and inexpensive manner without substantial additional costs for establishme... | 09/12/1995 |
| 4780143 | Methods for suppressing cement clinker dust emissions A method of suppressing dust generation emanating from cement clinker dust by applying a foamed dust control treatment thereto. The foam is provided with an effective defoaming agent which, upon slurrying of the clinker and other ingredients (e.g., sand, ... | 10/25/1988 |
| 4416622 | Method and plant such as a kiln plant for treating granular or pulverous raw material A method is disclosed for treating granular or pulverous raw material in a kiln plant including a preheater stage, a precalciner stage and a separator stage coupled to one another. Precalcined material is separated after the separator stage into a first a... | 11/22/1983 |
| 4133693 | Process for producing cement A process for producing cement comprises grinding of a mixture of raw components containing calcium chloride. The resulting raw mixture is subjected to calcination at a temperature within the range of from 1,000 to 1,100° C to produce a clinker which is ... | 01/09/1979 |
| 4115137 | Method of producing cement clinker from chlorine-containing raw mixture The herein-proposed method of producing cement clinker from a chlorine-containing raw mixture, comprising the steps of introducing said mixture into a kiln, sintering of the mixture, removing chlorine-containing compounds from the resultant sinter by acti... | 09/19/1978 |
