| Patents for C04B 7 - Hydraulic cements (9,126) |
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| 05/28/1998 | WO1998022408A1 Lithium bearing ores in concrete and cement |
| 05/28/1998 | WO1998022407A1 Method for producing cement |
| 05/28/1998 | DE4345368C2 Spinel-contg., cement bonded body for use as cement clinker |
| 05/28/1998 | CA2242380A1 Method for producing cement |
| 05/26/1998 | US5755876 Heating cement starting materials with lithium compounds to form clinker |
| 05/26/1998 | US5755818 Staged combustion method |
| 05/20/1998 | EP0842302A1 Slag treatment |
| 05/20/1998 | EP0842129A1 Apparatus and method for producing clinker from a hydrous slurry of raw materials |
| 05/20/1998 | EP0640015B1 Device for crushing and cooling a material leaving a burning oven |
| 05/20/1998 | EP0517869B1 Hydraulic binder and process for its manufacture |
| 05/20/1998 | DE19647484A1 Cement manufacturing process with reduced costs |
| 05/19/1998 | US5754423 Method and apparatus for preparing a mixture of materials |
| 05/13/1998 | CN1181362A Cement material drying method and drying system |
| 05/13/1998 | CN1181361A Prodn. method of cement |
| 05/12/1998 | US5749962 Method of making cement from base metal smelter slag |
| 05/07/1998 | DE19645379A1 Low cost high throughput cement clinker production |
| 05/06/1998 | EP0632792B1 Interground fiber cement |
| 05/06/1998 | CN2280714Y Split type cement rotary kilin |
| 05/06/1998 | CN1180674A Method for producing high-quality cement using high-sulfur petroleum coke as fuel |
| 04/30/1998 | DE19644654A1 Sulpho:aluminate cement production |
| 04/29/1998 | EP0838443A1 Utilization of wastes containing alumina |
| 04/22/1998 | EP0837043A1 Process for processing stainless steel slags |
| 04/22/1998 | EP0672025B1 Method of grinding cement |
| 04/09/1998 | DE19632133A1 Teleskoprohr für insbesondere Sprinkleranlagen Telescopic tube for particular sprinkler systems |
| 04/08/1998 | CN2277993Y Forcing crushing wearing-resistant tower grate |
| 04/08/1998 | CN2277992Y Multi-stage combined dust removing device for flue dust of cement vertical kiln |
| 04/08/1998 | CN1178201A Technology and apparatus for hollow raw meal body |
| 04/02/1998 | DE19649663C1 Sulphur di:oxide removal from cement-making plant off-gases |
| 04/01/1998 | EP0714383A4 Design optimized compositions and processes for microstructurally engineering cementitious mixtures |
| 03/26/1998 | DE19638986A1 Arrangement for removing particulate material from a pressurised chamber |
| 03/26/1998 | DE19637848A1 Utilising waste material containing aluminium and/or iron |
| 03/25/1998 | CN1176945A Special cement with function of anti-sulfate, and prodn. method therefor |
| 03/25/1998 | CN1037858C A. Edlinger (CH) |
| 03/24/1998 | US5730590 Inlet for feeding raw materials into a rotary drum |
| 03/19/1998 | DE19637320A1 Cement production from calcined raw material |
| 03/18/1998 | CN1176231A Production method of slightly expanded Portland cement |
| 03/18/1998 | CN1037764C High-efficiency dilution grinding aid for cement raw material |
| 03/17/1998 | US5728357 Injection of urea pellets |
| 03/11/1998 | EP0827491A1 Method and apparatus for using blast-furnace slag in cement clinker production |
| 03/11/1998 | EP0777634A4 Improved grinding aid composition and cement product |
| 03/11/1998 | CN1175559A Micro-expansion water-proof anti-cracking color cement |
| 03/10/1998 | US5724899 Modified cement kiln for burning combustible solid waste as supplemental fuel |
| 03/04/1998 | EP0826940A1 Load distribution process on the moving grate breadth and grate for its application |
| 03/03/1998 | US5723097 Method of treating spent potliner material from aluminum reduction cells |
| 02/26/1998 | DE19635365A1 Forming mineral phases with hydraulic properties |
| 02/19/1998 | WO1998006967A1 Telescopic tube, in particular for sprinkler systems |
| 02/19/1998 | DE19632697A1 High early strength slag cement produced using slag wool |
| 02/18/1998 | CN1173857A Kiln exhaust gas processing method by chloxine bypass and appts. therefor |
| 02/18/1998 | CN1173472A Mixed material of flyash with cement |
| 02/11/1998 | CN1173165A Portland cement clinker and use thereof |
| 02/05/1998 | WO1998004879A1 Apparatus for effecting heat exchange between a gas and a fine particulate material |
| 02/04/1998 | CN1172087A Cement mixed material |
| 02/04/1998 | CN1172086A Cement fully black raw meal heating control technique |
| 02/04/1998 | CN1172085A Flyash compound cement |
| 02/04/1998 | CN1172084A Non-chamotte burning-free flyash cement |
| 02/03/1998 | US5714003 Blended hydraulic cement |
| 02/03/1998 | US5714002 Mixing controlled amounts of subbituminous fly ash containing lime, retarding agent, citric acid, potassium carbonate and strength enhancing additives |
| 02/03/1998 | US5713977 Fixed bed filtering preheater process for high temperature process furnaces |
| 02/03/1998 | US5713734 Equipment for and method of calcination of mineral materials with reduced emission of nitrogen oxides |
| 01/29/1998 | DE19625538A1 Combined cement and sulphuric acid production |
| 01/22/1998 | WO1998002392A1 Method for disposing of fibre cement waste products |
| 01/21/1998 | EP0819660A1 Quick-setting cement containing clinker based on calcium fluoro-aluminate mixed with lime |
| 01/20/1998 | US5709827 Disposable products |
| 01/13/1998 | US5707444 Method for controlling the temperature in a kiln |
| 01/13/1998 | US5707443 Grouting materials and their use |
| 01/07/1998 | EP0815272A1 Method of producing pig iron, alloys of ferrous metal and/or nonferrous metal with synthetic blast furnace slag from residues of incinerated waste and steelworks slag |
| 01/06/1998 | US5704780 Apparatus for thermal processing of raw materials in dust form |
| 01/02/1998 | DE19627660A1 Cement production |
| 12/31/1997 | CN1169135A Method of utilizing dusts produced during the reduction of iron ore |
| 12/24/1997 | WO1997048826A1 Method of recovering metals from slags |
| 12/24/1997 | WO1997048652A1 A method of regulating the flue gas temperature and voltage supply in an electrostatic precipitator for a cement production plant |
| 12/24/1997 | CA2258147A1 Method of recovering metals from slags |
| 12/17/1997 | EP0812811A1 Hydraulic cement with an accelerated development of high strength |
| 12/17/1997 | CN1167737A Quick-hardening high-alumina cement and its producing method |
| 12/16/1997 | US5698027 Method and plant for manufacturing mineralized portland cement clinker |
| 12/11/1997 | WO1997046721A1 Process for recovering heavy metals from the residue of a plant for the partial oxidation of oil |
| 12/11/1997 | WO1997046496A1 Process for the recycling of residues for the production of portland cement clinker |
| 12/11/1997 | DE19622591A1 Verfahren zur stofflichen und thermischen Nutzung von Wasser, Mineralien und brennbare Anteile enthaltenden Reststoffen für die Herstellung von Portlandzementklinker Methods for material and thermal utilization of water, minerals and combustible fractions containing residues for the production of Portland cement clinker |
| 12/10/1997 | EP0775173A4 Starch-bound cellular matrix |
| 12/10/1997 | EP0739318A4 Method and apparatus for using steel slag in cement clinker production |
| 12/10/1997 | CN1036672C Method for cementing well |
| 12/09/1997 | US5696059 Methods of preventing well cement stress failure |
| 12/09/1997 | US5695811 Methods and compositions for bonding a cement-based overlay on a cement-based substrate |
| 12/04/1997 | DE19622150A1 Verfahren zur Rückgewinnung von Schwermetallen aus dem Rückstand einer Anlage zur partiellen Oxidation von Öl Process for the recovery of heavy metals from the residue of a plant for the partial oxidation of oil |
| 12/03/1997 | CN1166466A Dry process of quick-baking cement clinker in rotary kiln |
| 12/03/1997 | CN1166463A Slag Portland cement with less clinker |
| 12/03/1997 | CN1166462A Clinker-less steel slag and slag cement |
| 11/26/1997 | EP0808809A1 Kiln exhaust gas processing method by chlorine bypass and apparatus therefor |
| 11/26/1997 | CN1165793A Method for obtaining cement powder |
| 11/26/1997 | CN1165792A High active granulated coal ash and cement mixed material |
| 11/25/1997 | US5690730 Sintering method of cement clinkers and sintering apparatus of the same |
| 11/19/1997 | CN1165118A Separately fired combination series cement and its production method |
| 11/12/1997 | EP0805786A1 Method of utilizing dusts produced during the reduction of iron ore |
| 11/12/1997 | CN1164849A Method for manufacturing cement clinker in stationary burning reactor |
| 11/05/1997 | EP0701539B1 Method and plant for manufacturing cement clinker |
| 11/05/1997 | EP0654018B1 Quick-setting and quick-hardening hydraulic binders and mixtures of binders containing them, preparation thereof and utilization for the preparation of mortars and concretes |
| 11/04/1997 | US5683772 Articles having a starch-bound cellular matrix reinforced with uniformly dispersed fibers |
| 11/04/1997 | US5683043 Pusher grate cooler |
| 10/29/1997 | EP0803693A2 Disposal of waste tyres |
| 10/23/1997 | WO1997038948A1 Process and plant for the heat treatment of a pulverulent material |