Patents
Sitemap › C04 - Cements; Concrete; Artificial stone; Ceramics; Refractories › C04B - Lime; Magnesia; Slag; Cements; Compositions thereof, e.g. mortars, concrete or like building materials; Artificial stone; Ceramics; Refractories; Treatment of natural stone › C04B 7 - Hydraulic cements
Patents for C04B 7 - Hydraulic cements (9,126)
12/1998
12/09/1998EP0882687A1 Method and apparatus for producing cement clinker
12/09/1998CN1201021A Technology and apparatus for producing cement
12/09/1998CN1201020A High-early strength low-heat micro-expansion cement
12/03/1998WO1998054106A1 Cement clinker and cement containing the same
12/02/1998EP0880481A1 METHOD FOR REDUCING NO x EMISSION FROM A KILN PLANT
12/02/1998CN1200714A Method and apparatus for producing cement clinker
12/01/1998US5843223 Method for producing mineral products having a great heat content from waste materials and slurries and resulting products
12/01/1998US5843222 Modified cement and concrete compositions
12/01/1998US5842853 Apparatus for producing SO2 -containing gas and cement clinker from waste gypsum
11/1998
11/25/1998EP0879216A1 Cement composition
11/19/1998WO1998051634A1 Method and device for producing storage mineral constituents to immobilize harmful substances and for producing components, specially building slabs and mixtures
11/19/1998DE4447575C1 Fine cement-binder mixt.
11/18/1998EP0877907A1 Method and apparatus for continuous treatment of particulate material
11/18/1998CN1199028A Wet collecting and dry exhausting method for dust removal of flue gas of vertical cement kiln
11/17/1998US5837052 Process for producing cement clinker containing coal ash
11/11/1998EP0877007A1 Hydraulic cement
11/11/1998EP0876307A1 Method for producing cement
11/11/1998CN1198417A Productive technology for preparing fuel from low-grade coal for vertical kiln calcining high-mark cement clinker
11/11/1998CN1198416A Color change and activation technology for calcining coal gangues
11/10/1998US5833453 Apparatus for producing bulk material
11/04/1998EP0875491A1 Method and apparatus for the control of the internal cycling of pollutants occuring during the production of clinker from raw meal
11/04/1998EP0875276A2 Process for reducing the cloride compounds from cement clinker firing apparatuses
11/04/1998EP0805786B1 Method of utilizing dusts produced during the reduction of iron ore
11/04/1998CN1197773A Alkali-excited nickel slag cement and its production process and use
11/04/1998CN1040529C Retardant for alkali slag cement
10/1998
10/29/1998WO1998048231A1 Cooler for particulate material
10/29/1998DE19717771A1 Removing nitrogen oxide(s) from waste gases in cement manufacture
10/28/1998CN2295750Y Store type raw material homogenizing silo
10/28/1998CN1197045A Cement grog grinding prodn. line
10/15/1998WO1998045218A2 Method for producing sulfate cement or sulfate cement aggregates
10/15/1998DE19815205A1 Processing of mineral wastes for use in cement clinker manufacture
10/15/1998DE19707038C1 Binder production from brown coal fly=ash
10/15/1998CA2257643A1 Method for producing sulfate cement or sulfate cement aggregates
10/14/1998EP0870738A1 Method for the elimination of waste sulfurous acids from industrial process and for obtaining stable products
10/13/1998US5820363 Apparatus for thermal processing of raw materials in dust form
10/01/1998WO1998042629A1 A method of treating cement clinker
09/1998
09/30/1998EP0866778A1 Method of making blended cement compositons
09/30/1998CN1194250A Direct filling method for wet-process flue ash pellet into rotary kiln
09/29/1998US5814145 A cement mixture comprising silica dry powder for reducing embrittlement
09/23/1998EP0673495B1 Inlet for feeding raw materials into a rotary drum
09/23/1998CN1193613A Cement clinker and preparation thereof
09/22/1998US5810922 Hardening composition and hardened product
09/15/1998US5806442 Apparatus for feeding solid wastes into a rotary kiln
09/09/1998CN2290604Y Powdered material homogenizer cement plant
09/08/1998US5804175 Agglomeration of cement particles with silica and/or dehydrating agent, then impact milling to increase surface energy; less water used
09/08/1998US5803894 Process for preparing enviromentally stable products by the remediation of contaminated sediments and soils
09/02/1998CN1191851A Sintered phosphate sludge energy-saving brick
09/02/1998CN1039638C Portland cement containing sulphur-slag and its production
09/01/1998US5800610 Method for manufacturing cement clinker
08/1998
08/25/1998US5798151 Having high green strength, increased tensile strength to compressive strength ratio
08/25/1998US5797496 Method for the utilization of ash from coal-fired plants
08/19/1998EP0858979A1 Method and apparatus for producing cement clinker
08/19/1998EP0858978A2 Blended hydraulic cement
08/19/1998EP0858436A1 Method and apparatus for producing cement clinker
08/12/1998CN1190085A Early strength slag sulphate cement
08/05/1998CN1189468A Method for prodn. of cement
08/05/1998CN1039407C Dry internal-combustion cement-producing co-generating tech. and special equipment
08/05/1998CN1039406C Method for producing cement
08/04/1998US5788762 Forming blended pozzolan; roasting, soft firing and removing water from clay; grinding; mixing with calcium sulfate;
08/04/1998US5788482 Sintering method of cement clinkers and sintering apparatus of the same
07/1998
07/23/1998DE19701291A1 Portland cement production process
07/22/1998EP0854339A1 Process and installation for the heat treatment of fine-grained charges
07/22/1998CN1188085A Clinker-free portland cement and low-clinker cement
07/21/1998US5783126 Molding starch-based materials for use as food containers
07/21/1998US5782973 Volatization of alkali compounds and decomposition of sulfur compounds using fluidized bed reactor by addition of air bleed; combustion; oxidation; heat exchanging
07/16/1998WO1998030512A1 Inorganic binder
07/16/1998DE19800409A1 Binder based on sintered bauxite and marl
07/15/1998CN1187474A Unburned flyash silicate cement and preparing process thereof
07/15/1998CN1187473A Low-clinker high-early setting slag cement
07/15/1998CN1039114C Method and apparatus for manufacture of cement clinker
07/09/1998DE19700059A1 pH monitoring method for uses during concrete production
07/08/1998CN1186782A 矿渣水泥 Slag cement
07/07/1998US5775891 Grate cooler for combustion material and process for its operation
07/07/1998US5775890 Plant for heat treatment of lumpy material
07/02/1998WO1998028237A1 Sludge handling and feeding system
07/02/1998WO1998028046A1 Process for preparing environmentally stable products by the remediation of contaminated sediments and soils
07/02/1998CA2247454A1 Sludge handling and feeding system
07/01/1998EP0850205A1 Method for disposing of fibre cement waste products
07/01/1998CN2285293Y Material ball stoving tower for vertical cement kiln
07/01/1998CN1186056A Batch for high performance concrete and process thereof
07/01/1998CN1186054A Batch of small size hollow blocks for supporting structure made from flyash and process therefor
06/1998
06/24/1998EP0848689A1 Cement compositions for controlling alkali-silica reactions in concrete and processes for making same
06/23/1998US5769940 Addition of fly ash to hydrates of calcium sulfite and calcium sulfate, agglomeration, drying, calcining, reacting sulfur dioxide gas with hydrogen and carbon monoxide
06/23/1998US5769939 Having high water to cement ratio, low water separation and high penetration
06/18/1998WO1998025865A1 Surface treated additive for portland cement concrete
06/17/1998EP0847966A1 Process for producing heat and cement clinkers in one boiler, its products, the equipment used and its uses
06/17/1998CN1185144A Apparatus and method for producing clinker from a hydrous slurry of raw material
06/17/1998CN1184791A Binding powder for construction use, method for preparing same
06/16/1998US5766339 Process for producing cement from a flue gas desulfurization process waste product
06/16/1998US5766297 System for producing cementitious materials from ferrous blast furnace slags
06/16/1998US5765764 Method and apparatus for controlling the grinding of mineral raw materials
06/11/1998WO1998024732A1 A method of making cement from base metal smelter slag
06/11/1998CA2273908A1 A method of making cement from base metal smelter slag
06/10/1998CN1184457A Method and apparatus for using blast-furnace slag in cement clinker production
06/09/1998US5762701 Pozzolanic compositions
06/04/1998WO1998023550A1 Cement composition
06/04/1998CA2244259A1 Cement composition
06/03/1998EP0845443A1 Process for removing sulfur dioxide from the exhaust gases of a furnace installation
06/03/1998EP0752110B1 Method and appliance for controlling the grinding of mineral raw materials
06/02/1998US5759026 Process and apparatus for the cooling treatment of hot non homogeneous bulk material
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