| Patents for C04B 7 - Hydraulic cements (9,126) |
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| 08/12/1999 | WO1999040040A2 Kiln plant and method for manufacturing cement |
| 08/11/1999 | EP0934112A1 Reduction of no x emissions from rotary cement kilns by selective noncatalytic reduction |
| 08/11/1999 | CN1225342A Ingredient dosage (regulation) method for prodn. of cement |
| 08/11/1999 | CN1044596C Method for producing cement clinker by making use of electric furnace phosphorous slag and blast furnace slag |
| 07/29/1999 | DE19802247A1 Nitrogen oxide emission reduction from cement clinker furnace |
| 07/29/1999 | DE19752243A1 Cement production with reduced grinding energy costs and increased grinding mill and kiln throughput |
| 07/28/1999 | CN1044360C Method for producing portland cement using gold ore tailing |
| 07/27/1999 | US5927967 Method of removing sulphur dioxide from cement kiln exhaust gases |
| 07/21/1999 | CN1223235A Improved processing additives for hydraulic cements |
| 07/20/1999 | US5924858 Staged combustion method |
| 07/14/1999 | CN1222619A High temperature degrading process of dismantling concrete building |
| 07/14/1999 | CN1222492A Stoving process of grinding head for preparation of cement material and grinding head stoving machine |
| 07/14/1999 | CN1222491A Quick-coagulating high-strength aluminate cement and its blast furnace melt production process |
| 07/14/1999 | CN1044109C Granular cement active mixed material |
| 07/08/1999 | DE19800249A1 Reduction of harmful substances during production of aqueous bonding agents |
| 07/07/1999 | EP0927707A1 Method and apparatus for cooling exhaust gas from bypass of kiln |
| 07/07/1999 | EP0756584B1 Method for controlling the temperature in a kiln |
| 07/07/1999 | CN1222130A Method of regulating flue gas temp. and voltage supply in electrostatic precipitator for cement prodn. plant |
| 07/06/1999 | US5919301 Preheated in a multi-stage cyclone preheater, then further heated in a calcination zone, next finally burnt in a kiln and then cooled. reduction of nox exhaust. |
| 06/30/1999 | CN1220978A Less clinker high early strength flyash cement |
| 06/30/1999 | CN1220977A Less clinker slag cement |
| 06/29/1999 | US5916362 Drying, mechanical grinding, pulverizing and classifying into powder, molding the powder into a cube molded product, then gypsum is added to the molded product |
| 06/23/1999 | EP0923506A2 Method for producing sulfate cement or sulfate cement aggregates |
| 06/17/1999 | WO1999030095A1 Device for driving a cylinder in rotation |
| 06/17/1999 | CA2278740A1 Device for driving a cylinder in rotation |
| 06/16/1999 | CN1219890A Reduction of NOx emissions from rotary cement kilns by selective noncatalytic reduction |
| 06/10/1999 | WO1999028261A1 Control of cement clinker production by analysis of sulfur content in the end product |
| 06/10/1999 | CA2312404A1 Control of cement clinker production by analysis of sulfur content in the end product |
| 06/09/1999 | CN1218774A Method of producing seed crystal material of cement by using boiler bottom slag |
| 06/02/1999 | CN1043512C Heating and treatment of particulate material |
| 05/26/1999 | CN1217303A Additive for cement and preparation process therefor |
| 05/26/1999 | CN1217302A Special high-strength cement |
| 05/20/1999 | WO1999024627A1 Method for producing directly-reduced iron, liquid pig iron and steel |
| 05/20/1999 | WO1999024376A1 Method and plant for making alumina cement and alumina cement |
| 05/20/1999 | DE19749183A1 Fireclay and calcine are produced in a rotary kiln coupled to an alternative fuel kiln |
| 05/20/1999 | CA2309606A1 Method for producing directly-reduced iron, liquid pig iron and steel |
| 05/19/1999 | EP0916056A1 Telescopic tube, in particular for sprinkler systems |
| 05/18/1999 | US5904765 Water- and cement-based cementation slurries which are injected to encase prestressed steel cables, frames, braces, trusses, etc. |
| 05/12/1999 | CN1216519A Sludge handling and feeding system |
| 05/12/1999 | CN1043338C Quick setting high strength low heat gypsum slag cement and its producing method |
| 05/05/1999 | CN1043244C Method for production of pig iron or steel and cement clinker from slag |
| 05/04/1999 | US5900221 Process of preparing a solution of cesium and rubidium salts |
| 05/04/1999 | CA2117754C Mercury contaminated mud treatment |
| 04/28/1999 | EP0911303A1 Method and system for controlling mixing of raw materials for cement |
| 04/28/1999 | EP0719243B1 Grouting materials and their use |
| 04/27/1999 | US5897702 Removal of sulfur oxides from preheater off gases |
| 04/21/1999 | EP0748302B1 Method and plant for manufacturing mineralized portland cement clinker |
| 04/21/1999 | CN1043032C Baeyer low-temp. calcining technology for processing red mud |
| 04/20/1999 | US5895213 Clinker cooler |
| 04/14/1999 | CN1213654A Prodn. of composite portland cement by utilizing industrial waste residue |
| 04/07/1999 | EP0906251A1 A method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant |
| 04/06/1999 | US5891239 Quick-setting cement containing clinker based on calcium fluoro-aluminate mixed with lime |
| 04/06/1999 | CA2084003C Hydraulically bonded cement compositions and their methods of manufacture and use |
| 04/01/1999 | WO1998045218A3 Method for producing sulfate cement or sulfate cement aggregates |
| 04/01/1999 | EP0923506A3 Method for producing sulfate cement or sulfate cement aggregates |
| 03/31/1999 | CN1212673A Plant for manufacturing cement clinker |
| 03/31/1999 | CN1212241A Method for calcining and preparing fast hardening low-alkali cement using ardealite |
| 03/30/1999 | US5887703 Method for distributing material over the width of a conveying grate and push grate for carrying out this method |
| 03/30/1999 | CA2083883C Device for distributing pneumatically handled, pulverulent solids into a large diameter annular section, and kiln equipped therewith |
| 03/26/1999 | WO1999016722A1 Method of production of cement |
| 03/24/1999 | EP0902767A1 Process for the recycling of residues for the production of portland cement clinker |
| 03/18/1999 | DE19840425A1 Binder especially cement production involves pore-former addition |
| 03/17/1999 | CN1211229A Method for reducing NOx emission from a kiln plant |
| 03/17/1999 | CN1210828A Modifying method using ardealite as cement filler |
| 03/16/1999 | US5882190 Control of cement clinker production by analysis of sulfur in the end product |
| 03/16/1999 | US5882189 Sliding grate for a burnt-material-cooling unit, and grating plate therefor |
| 03/10/1999 | EP0789830B1 Sliding grating for a burned-material cooling unit, and grating plate for such a grating |
| 03/10/1999 | CN1042435C Preparation of redispersible core-shell polymer powder |
| 03/04/1999 | DE19738056A1 Denitrifying of kiln exhaust gases |
| 03/03/1999 | EP0500840B1 Tectoaluminosilicate cement and process for producing it |
| 03/03/1999 | CN1209422A Inorganic solidified grouting material |
| 02/25/1999 | WO1999008793A1 Method of producing powder materials |
| 02/17/1999 | EP0896958A1 Process and apparatus for combined production of cement clinker and electric current |
| 02/17/1999 | CN1208462A Method and apparatus for continuous treatment of particulate material |
| 02/11/1999 | WO1999006778A1 Oxygen enrichment of cement kiln system combustion |
| 02/11/1999 | WO1999006150A2 Method of destruction of dielectrics and semiconductors |
| 02/10/1999 | CN1042059C Method and apparatus for energy recovery from hazardous waste |
| 02/09/1999 | US5868894 Vulcanization of rubber |
| 02/09/1999 | US5868829 Methods of manufacturing hydraulic materials |
| 02/09/1999 | US5868824 Inorganically filled, starch-based compositions for manufacturing containers and other articles having a thermodynamically controlled cellular matrix |
| 02/03/1999 | EP0894846A2 Finely divided fuel and method of making the same |
| 02/03/1999 | EP0827491A4 Method and apparatus for using blast-furnace slag in cement clinker production |
| 02/02/1999 | US5865872 Method of recovering metals and producing a secondary slag from base metal smelter slag |
| 01/28/1999 | WO1999003794A1 Method and apparatus for cooling exhaust gas from bypass of kiln |
| 01/21/1999 | WO1999002253A1 Multi-industry integrated complex for basic industrial plants |
| 01/20/1999 | CN1205311A Normal portland cement for pavement of road and its prodn. method |
| 01/14/1999 | WO1999001395A1 Method for making aluminous cement |
| 01/13/1999 | EP0889859A1 Sludge handling and feeding system |
| 01/13/1999 | CN1041623C Filled slurry for wrapping frame, particullarly reinforced frame |
| 01/07/1999 | DE19727979A1 Verfahren zur Herstellung von Tonerdezement A process for the production of aluminous cement |
| 12/30/1998 | WO1998058877A1 A process for converting phosphogypsum wastes |
| 12/29/1998 | US5853474 Use of stabilized EAFD as a raw material in the production of a portland cement clinker |
| 12/23/1998 | EP0885177A1 Plant for manufacturing cement clinker |
| 12/22/1998 | US5851282 Portland cement clinker and use thereof |
| 12/22/1998 | CA2120310C Fly ash cementing compositions and methods |
| 12/17/1998 | WO1998056728A1 Method and apparatus for recovering energy from wastes by combustion in industrial furnaces |
| 12/16/1998 | EP0637991B1 Method of crushing and grinding |
| 12/16/1998 | CN1041195C Process for low-temperature calcining cement clinker |
| 12/15/1998 | US5849075 Cementitious composition containing bottom ash as pozzolan and concretes and mortars therefrom |
| 12/10/1998 | WO1998055417A1 Method and apparatus for producing cement clinker |