Patents for C04B 7 - Hydraulic cements (9,126)
11/2003
11/05/2003CN1454190A 水泥组合物 The cement composition
11/05/2003CN1453234A Ardealite curing modification process
11/04/2003US6641658 Boards can be handled soon after the cementitious mixture is poured; High alumina cement has an advantage over portland cement as it develops its maximum strength much earlier
10/2003
10/29/2003CN2583102Y Outside kiln circulation device used for cement green stock high temperature preheating and decomposition
10/29/2003CN1451624A Industrial waste residue activating grinding aid
10/29/2003CN1451623A Low-grade composite cement for masonry mortar and producing method thereof
10/23/2003WO2003087007A1 Method and installation for the thermal treatment of raw meal during the production of cement clinker
10/22/2003CN2581447Y Big granular fluidized clinker calcining device
10/22/2003CN1450013A Method for producing compound cement blended directly with separated flyash and the made compound cement thereby
10/22/2003CN1124998C Method for reducing NOx emission from a kilm plant
10/15/2003CN2579892Y Egg round body high efficiency milling ball
10/15/2003CN2579891Y Passive high efficiency powder separating machine
10/15/2003CN1449483A Plant for manufacturing cement clinker
10/14/2003CA2072064C Method of grouting porous gas - and petroleum - bearing formations
10/09/2003WO2003082764A1 Process for manufacture of high iron hydraulic cement clinker
10/08/2003CN1447897A Method and plant for mfg. cement clinker
10/07/2003US6630022 Granitic pozzolan comprising mechanically activated particles having specified particle size distribution, derived from granitic quarry fines
10/07/2003CA2080481C Manufacture of cement clinker in long rotary kilns by the addition of volatile fuel elements directly into the calcining zone of the rotary kiln
10/02/2003WO2003080532A1 Cement admixture
10/02/2003US20030183131 Sulfoaluminous clinker without iron and without free lime, its process of preparation and its use in white binders
10/02/2003US20030183130 Manufacture of high iron hydraulic cement clinker in production of cement and cementation binder for application in construction activity and in metallurgical industry for sintering of iron ore fines and making cold bonded briquettes
10/01/2003EP0696262B2 Method for producing cement
09/2003
09/30/2003US6627138 Cupola slag cement mixture and methods of making and using the same
09/30/2003US6626991 Remarkable mechanical properties; obtained without introducing gas; lightweight particles, microcement and optionally Portland cement and gypsum
09/30/2003US6626662 System for manufacturing cement clinker
09/25/2003WO2003078349A1 Geopolymer binder based on fly ash
09/24/2003EP1232128B1 Microgranular concrete composition with reinforcing metal fibres
09/18/2003WO2003076355A1 Method for the thermal treatment of aqueous concentrates
09/17/2003CN2573494Y Double-injet cement mill
09/17/2003CN2573493Y Internal heating dustless dryer
09/17/2003CN1442384A Bending deflection node of grid cooler
09/17/2003CN1442383A High strength pipe pole cement and making method
09/17/2003CN1442382A Formula and technology of cement produced by using electric power plant furnace chamber
09/17/2003CN1121356C Clinker cement producing process adding steel slag firstly
09/16/2003CA2240442C Method for reducing nox emission from a kiln plant
09/12/2003WO2003074956A1 Method and plant for manufacturing cement clinker
09/11/2003US20030168215 Permeable cements
09/11/2003US20030167972 Slag cement
09/10/2003EP1342042A1 Air injection for nitrogen oxide reduction and improved product quality
09/02/2003US6613141 Recovery of cement kiln dust through precipitation of calcium sulfate using sulfuric acid solution
09/02/2003CA2252917C Process for the recycling of residues for the production of portland cement clinker
08/2003
08/28/2003WO2003070655A1 Controlled low strength flowable fill composition
08/28/2003WO2003014038B1 Use of spent potliners in cement production
08/28/2003US20030159624 Mixture of blast furnace slag and wastepaper sludge; heating
08/28/2003US20030159618 Dental material
08/27/2003EP1337314A1 Method for reducing the sox emission from a plant for manufacturing cement clinker and such plant
08/27/2003CN2568655Y Moving bed preheater
08/27/2003CN1438196A Method for directly producing cement by fly-ash of steam-electric power plant
08/26/2003CA2229491C Blended hydraulic cement
08/21/2003WO2003068701A1 Introducing an additive to portland cement
08/21/2003WO2003068700A1 Use of high carbon coal ash
08/21/2003US20030154887 Use of high carbon coal ash
08/21/2003CA2472774A1 Introducing an additive to portland cement
08/20/2003CN1436745A Production process of mixed cement material with industrial slag
08/14/2003US20030150615 Coarse particulate hydraulic cement, an ultrafine particulate hydraulic cement mixture comprised of slag cement and a Portland or equivalent cement, fly ash, fumed silica, hollow glass spheres and water.
08/13/2003EP1334954A1 Installation for manufacturing cement clinker
08/06/2003CN1433987A Process and apparatus for preparing high activity gelled material
08/06/2003CN1433986A Added agent for raw cement material and productive method thereof
08/06/2003CN1117261C Decomposing furnace adaptable to low volatile coal calcination
08/06/2003CN1117037C Cement mixed material and its production method
08/05/2003US6602343 Hydraulic binder for cement compositions comprising clinker, obtained by baking process, comprising calcium fluoroaluminate, sodium aluminate and lime added to clinker after baking process
08/05/2003US6601541 Method of producing steam and calcined raw meal
07/2003
07/31/2003US20030143508 System for manufacturing cement clinker
07/30/2003EP1330421A2 Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances
07/30/2003CN1432545A Production process and special apparatus of environment protecting power-saving cement
07/30/2003CN1432544A Sulphoaluminate cement clinker producing process with industrial waste
07/30/2003CN1432543A Sulphoaluminate cement producing process with industrial waste
07/30/2003CN1116240C Method for producing artificial admixture for cement and concrete products thereby and use thereof
07/29/2003US6599647 Alumina cement
07/29/2003US6599123 Method to produce cement clinker using high sulfur content fuel
07/23/2003CN1115309C Flyash treating method
07/22/2003US6595772 Method and apparatus for the thermal treatment of mealy raw materials
07/22/2003CA2249493C Process for producing cement clinker containing blast furnace slag
07/17/2003US20030131764 Mechanically activated pozzolan prepared from granitic quarry fines.
07/17/2003US20030131762 Slag is ground to a fineness greater than 4,000 cm2/g.
07/16/2003CN1430586A Method for oxidising treatment of steel works slag and resulting LD slag
07/16/2003CN1429784A Portland cement clinker
07/16/2003CN1114570C Mixture for cement and high-performance concrete and its preparation process
07/16/2003CN1114569C Process for producing portland cementclinker by using eolian sand instead for clay raw material
07/16/2003CN1114568C Process for firing silicate cement clinker by using wet lead-zinc smelting slag
07/10/2003US20030127026 High early-strength cementitious composition
07/09/2003EP1325897A1 Cement composition
07/09/2003EP1325273A2 Mixing high temperature gases in mineral kilns
07/03/2003US20030121454 Calcium aluminate ceramics; compaction, drainage a particle, solvent mixture
07/02/2003EP1323806A1 Method of dusting-preventive treatment of powder having dusting property
07/02/2003EP1322899A1 Plant for manufacturing cement clinker
07/02/2003EP1322569A2 Slag cement
07/01/2003CA2272408C Surface treated additive for portland cement concrete
07/01/2003CA2135106C Apparatus for feeding solid wastes into a rotary kiln
06/2003
06/26/2003US20030116064 Permeable cements
06/25/2003CN1425624A Method for treating waste battery by cement clinker calcination
06/25/2003CN1112334C Method for producing cement clinker
06/18/2003CN2556581Y Cooling machine for cement industry
06/12/2003US20030108842 Selective targeting of physical-chemical characteristics and fineness of raw mixture improves burnability of clinker, thus clinkering temperature can be reduced, and calcium sulfate decomposition and sulfur compound deposits are also reduced
06/11/2003CN1111143C Composite grinding aiding and reinforcing stabilizer for cement
06/10/2003US6574885 Cyclone heat exchanger
06/05/2003WO2003045870A1 Method for producing slag with hydraulic properties
06/05/2003WO2003045868A1 Additive mixture for cement clinker production and its use
06/05/2003US20030105381 Raw materials and/or fuel/secondary fuel containing chlorine compounds and a partial gas extraction, with an electrostatic dust collector as waste gas dust remover are used, with which the risk of emission of furan/dioxin is eliminated
06/04/2003EP1316536A2 Process for reducing emissions of dioxins and/or furans in waste gas from a cement klinker production plant
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