| Patents for C04B 7 - Hydraulic cements (9,126) |
|---|
| 05/18/1994 | CN1086797A Method for high efficient power saving cement production |
| 05/17/1994 | US5311944 Blast furnace slag blend in cement |
| 05/17/1994 | CA1329479C Apparatus for roasting fine grained material |
| 05/11/1994 | WO1994010099A1 Process for treating fly ash and bottom ash and the resulting product |
| 05/11/1994 | CN1086576A Method for drilling and cementing a well |
| 05/11/1994 | CN1024461C Technique for heating, power generation, and cement production by fluidized bed-combustion boiler |
| 05/10/1994 | US5309999 Cement slurry composition and method to cement wellbore casings in salt formations |
| 05/10/1994 | US5309997 Well fluid for in-situ borehole repair |
| 05/10/1994 | CA1329328C Method for measuring the ability of a pozzolan to preserve the mechanical properties of a ciment and glass based composite material after ageing |
| 05/04/1994 | CN1086198A Probability homogenization system |
| 04/28/1994 | WO1994009319A1 Method for processing solid, hazardous waste material for use as a fuel |
| 04/28/1994 | WO1994009249A1 Method for drilling and cementing a well |
| 04/28/1994 | CA2147490A1 Method for drilling and cementing a well |
| 04/27/1994 | EP0594313A1 Hydrolyzed chlorosilicon by-product addition to cement |
| 04/27/1994 | EP0593779A1 Apparatus for producing spherical hydraulic material |
| 04/26/1994 | US5305831 Wellbore cementing process |
| 04/21/1994 | DE4332743A1 Treatment of used catalysts with precious metal coatings, esp. from exhaust gas cleaners - with catalyst pressed and ground and metal sepd. under vacuum in magnetic separator |
| 04/20/1994 | CN1085468A Energy-saving pulverizing mill |
| 04/14/1994 | WO1994008187A1 Grate element for a grate surface |
| 04/13/1994 | CN2161617Y Prepressing rolled ball forming device in vertical furnace |
| 04/13/1994 | CN1085196A Technique for activation burning of high-alumina cement and white cement |
| 04/13/1994 | CN1085195A Powdered coal ash-slag cement and its producing method |
| 04/12/1994 | US5302308 With an aqueous solution of polyethylene oxide |
| 04/12/1994 | US5302200 Hydrating and plasticizing admixture for dense concrete |
| 04/06/1994 | CN1084835A External grog refractory system of high and low temp. preheating intermediate temp. generating kiln |
| 03/29/1994 | US5298071 Grinding clinker and fiber to form powder dispersion, organic and inorganic fibers |
| 03/23/1994 | CN1084145A Cement used for water treatment and production thereof |
| 03/17/1994 | WO1994002792A3 Method for improved manufacture of cement in long kilns |
| 03/16/1994 | EP0587383A1 A method of making a cement agglomeration. |
| 03/15/1994 | CA1327694C Conversion of calcium compounds into solid and gaseous compounds |
| 03/11/1994 | CA2105783A1 Cement agglomeration |
| 03/09/1994 | EP0585547A1 Refractory fiber containing bodies for construction |
| 03/09/1994 | CN1083551A Apparatus used in period of oxidization in dyeing of indigo and method for operation of same |
| 03/09/1994 | CN1083451A Steel slag cement and producing method thereof |
| 03/08/1994 | US5292247 Apparatus for thermal processing of raw materials in dust form |
| 03/03/1994 | WO1994004471A1 A method and mixture for treating electric arc furnace dust |
| 03/02/1994 | CN2157822Y Granulating dish scraper for granulating machine |
| 03/01/1994 | CA1327373C Cement composition curable at low temperatures |
| 02/23/1994 | CN1082520A Clinker production system using cylinder preheater furnace with outer circulation |
| 02/23/1994 | CN1082519A Process for making white cement |
| 02/23/1994 | CN1082517A Method for production of cement from slag silicate with increased strength |
| 02/22/1994 | US5288413 Filtering under vacuum or low applied inert gas pressure using filter aid, drying at low temperature to remove moisture |
| 02/22/1994 | CA1327214C Hydraulic cement and composition employing the same |
| 02/17/1994 | WO1994003407A1 Quick-setting and quick-hardening hydraulic binders and mixtures of binders containing them, preparation thereof and utilization for the preparation of mortars and concretes |
| 02/15/1994 | US5286292 Method of treating fly ash and fly ash cement |
| 02/09/1994 | EP0582394A1 Method of incinerating waste in a cement kiln plant |
| 02/08/1994 | US5284513 Cement slurry and cement compositions |
| 02/08/1994 | US5284405 Method and apparatus for injecting sludge into a kiln |
| 02/08/1994 | US5284236 Stacked rubber tire separation-transport apparatus |
| 02/03/1994 | WO1994002792A2 Method for improved manufacture of cement in long kilns |
| 02/03/1994 | CA2139874A1 Method for improved manufacture of cement in long kilns |
| 01/26/1994 | EP0579831A1 Low heat building cement composition |
| 01/26/1994 | CN1081163A Non-clinker early-strength slag cement |
| 01/20/1994 | DE4223556A1 Indigo dyeing installation - has oxidisation of dye by airflow on both sides of fabric at correct temperature |
| 01/19/1994 | EP0579309A2 Method for preparing a cement base material, and cement composition containing this base material |
| 01/19/1994 | EP0579063A1 Rapid-setting hydraulic binder |
| 01/19/1994 | EP0578641A1 Fly ash benefication by carbon burnout in a dry bubbling fluid bed |
| 01/19/1994 | CN1080912A Process for production of cement using marlite as only raw material |
| 01/19/1994 | CN1023557C Method for producing cement by adding seed crystal |
| 01/15/1994 | CA2100125A1 Method for preparing a cement base material, together with a cement composition containing this base material |
| 01/12/1994 | CN1080623A Volcanic ash ardealite cement producing process |
| 01/12/1994 | CN1080622A Road cement production using gangue as a substitute for clay |
| 01/06/1994 | WO1994000403A1 Method for producing a conglomerate with low water demand |
| 01/06/1994 | WO1994000402A1 Method for producing a decorative conglomerate with low water demand |
| 01/05/1994 | DE4322048A1 Hydraulically active material prodn. from waste rock - by mixing with excess lime desulphurising agent, heat treating and finely grinding |
| 01/05/1994 | DE4301977C1 Asbestos disposal process - with modification of asbestos by high temp. heating by injection of shredded asbestos contg. material into melting zone of metallurgical shaft furnace |
| 01/05/1994 | CN1080267A Cement clinker producing in vertical kiln using clinker as special mineralizer |
| 12/28/1993 | US5273581 Method of making a hydraulic binder settable upon combination with water |
| 12/28/1993 | US5273579 Powdery slag from making steel having a coagulation retarder of an oxycarboxylic acid, an alkali sulfate and calcium salt |
| 12/22/1993 | EP0574719A2 Process for the production of a cement clinker |
| 12/22/1993 | CN1079772A Sulfur fixative for coal and method of calcining cement clinker with sulfur-fixed cinder |
| 12/22/1993 | CN1023212C Low heat consumption processing for firing high strength clinker with vertical kiln |
| 12/22/1993 | CN1023211C Paparation method of mixed diorite cement. |
| 12/22/1993 | CN1023210C Quick-hardening slag cement |
| 12/21/1993 | US5271340 Apparatus and methods for burning waste, and waste slurries |
| 12/17/1993 | CA2096906A1 Method of producing cement clinker |
| 12/16/1993 | DE4241540C1 Crude powder mixt. for cement clinker prodn. and sulphur di:oxide recovery - contains calcium sulphate, sand, ash, carbon carrier and pulp from decomposition of asbestos with sulphuric acid, for safe utilisation of harmful waste |
| 12/15/1993 | EP0495924A4 Process for producing improved building material and product thereof |
| 12/15/1993 | CN2149392Y Raw cement material drying equipment for the grinding machine |
| 12/15/1993 | CN1023109C Colored slag portland cement and preparing method thereof |
| 12/14/1993 | US5269234 Method for processing solid, Hazardous waste material for use as a fuel |
| 12/09/1993 | DE4218447A1 Flame-resistant insulation material - based on cement and sand and castable or directly applied |
| 12/08/1993 | CN1022998C Micro-expansive antiwear silicate cement |
| 12/01/1993 | EP0572322A1 Installation and process for the precalcination of any mineral matters |
| 12/01/1993 | EP0572261A1 Set retarded ultra fine cement compositions |
| 12/01/1993 | EP0572076A2 Cement composition and method for the preparation thereof |
| 12/01/1993 | CN1078962A Process of producing cement |
| 11/30/1993 | US5266122 Abrasive cements, metals |
| 11/30/1993 | US5266111 Class F. fly ash containing settable composition for general purpose concrete having high early strength and method of making same |
| 11/26/1993 | CA2096800A1 Cement composition and method for the preparation thereof |
| 11/25/1993 | WO1993023342A1 Hydraulic binder for concrete or mortar |
| 11/23/1993 | US5264013 Dedusting by precipitation; heating, desorption; separating vaporized pollutants; cooling, filtration |
| 11/23/1993 | US5263542 Well bores; methylenephosphonic acid derivatives |
| 11/18/1993 | DE4215542A1 Rubbish sealing material - comprises dried colloid clay minerals in hot exhaust gas |
| 11/17/1993 | CN2146485Y White silicate cement clinker bleaching engine |
| 11/17/1993 | CN2146484Y Automatic homogenizer for cement flour |
| 11/17/1993 | CN1078446A Dross and slag cement |
| 11/11/1993 | WO1993022466A1 Mercury contaminated mud treatment |
| 11/10/1993 | CN2145792Y White cement clinker aggregate soaking and drying apparatus |
| 11/10/1993 | CN1078220A Prodn. method for cement clinker by making use of electric furnace phosphorus slag and blast furnace slag |