Patents for C04B 7 - Hydraulic cements (9,126)
07/2000
07/26/2000EP1022262A1 Method for grinding clinker and device for carrying out said method
07/26/2000EP1021692A1 Cooler for particulate material
07/19/2000CN1260333A Manufacture method for tubular pile cement
07/19/2000CN1260330A Production technique for compound and laying cement by utilizing waste dregs in magnesium smelting
07/18/2000US6090197 Method for recycling particulate waste material and product obtained thereby
07/12/2000EP1017958A1 Oxygen enrichment of cement kiln system combustion
07/12/2000EP1017646A1 Method for crushing and reducing slag containing metal oxide
07/12/2000EP0842302B1 Slag treatment
07/12/2000CN1259494A Cement clinker multielement mineralizing agent and its application technique
07/12/2000CN1259493A Method of producing super early strength high grade portland cement clinker by using mechanical vertical kiln
07/06/2000WO2000039050A1 Dusting-inhibited cement composition improved in strength
07/06/2000WO2000039046A1 Silicon containing grinding aides for slag
07/06/2000WO2000039044A1 Cyclone heat exchanger
07/06/2000CA2358316A1 Silicon containing grinding aides for slag
07/05/2000CN1258656A Anti-seepage agent
07/05/2000CN1258655A Leaking-stopping agent
07/05/2000CN1258654A Ultrastrength cement
07/05/2000CN1258653A Composite portland cement
07/05/2000CN1258640A Gypsum process of producing potassium sulfate and cement
06/2000
06/28/2000EP1014240A1 A system of case-based reasoning for sensor prediction in a technical process, especially in a cement kiln, method and apparatus therefore
06/28/2000CN1258268A Cement clinder and cement contg. same
06/22/2000WO2000036476A1 A system of case-based reasoning for sensor prediction in a technical process, especially in a cement kiln, method and apparatus therefor
06/21/2000EP1009491A1 Process for preparing environmentally stable products by the remediation of contaminated sediments and soils
06/21/2000CN1053648C Taxoite type asbestos tailing and/or taxoite use
06/20/2000US6077072 Prefferential oxygen firing system for counter-current mineral calcining
06/15/2000WO2000034198A1 Recovery of hydrocarbons in oil wells by injection of treated inert gases obtained form the industrial effluence
06/15/2000WO2000034197A1 Inorganic cementitious material
06/15/2000CA2353830A1 Inorganic cementitious material
06/13/2000CA2132439C Interground fiber cement
06/07/2000CN1255461A Process for preparing multi-element activating agent of cement
05/2000
05/31/2000EP1004557A1 Injectable hydraulic binder composition
05/31/2000EP1004553A1 Process and apparatus for thermal treatment of raw meal
05/31/2000EP1003608A1 Method of producing powder materials
05/31/2000DE19854582A1 Verfahren und Anlage zur thermischen Behandlung von mehlförmigen Rohmaterialien Method and apparatus for thermal treatment of mealy raw materials
05/31/2000DE19854478A1 Hydraulische Injektions-Bindemittelzusammensetzung Hydraulic Injection binder composition
05/31/2000CN1254690A Process for increasing output and quality of cement
05/30/2000US6068826 Condensing chloride containing gases
05/24/2000EP1002854A2 Combustion process for producing pig iron or cement
05/24/2000CN1253921A Agglomeration method of steel slag
05/24/2000CN1052707C Cement production system and raw meal calcining process with fluid pre-heating and electric power generating by remaining heat
05/17/2000EP1000911A2 Process for grinding clinker
05/17/2000CN1253615A Cooler for particulate material
05/17/2000CN1253122A Non-clinker formula of antiflex-cracking masonary cement and its preparing process
05/11/2000DE19851646A1 Fine-grained mineral raw material thermal treatment, especially for cement clinker production, uses a horizontal rotating final calcination heat exchanger similar to a rotary kiln
05/10/2000CN1252392A Technological process and subsidiary equipment for cement production in vertical kiln with directly added garbage
05/10/2000CN1052216C Cement used for water treatment and production method thereof
05/04/2000WO2000024688A1 Hydraulically reactive particles and methods for their manufacture
05/04/2000DE19848437A1 Restoration of plaster and mortar joints uses high pressure water jets to remove the damaged mortar material to be replaced by joint material in a thin and liquid consistency
05/03/2000EP0739318B1 Method and apparatus for using steel slag in cement clinker production
04/2000
04/27/2000WO2000023395A1 Foamed, rapid hardening mortar composition
04/26/2000EP0995726A1 Method and apparatus for producing hydraulic cement
04/26/2000EP0902767B1 Process for the recycling of residues for the production of portland cement clinker
04/26/2000CN1251356A Raw-meal additive for cement production in and vertical kiln applied technology thereof
04/20/2000DE19846280A1 Dichtungselement mit einer wasserabweisenden Beimengung Sealing member with a water repellent admixture
04/20/2000DE19815205C2 Verfahren zur Herstellung eines Sekundärrohstoffes zur Belieferung von Zementwerken A process for producing a secondary raw material to delivery of cement works
04/19/2000EP0994196A1 Method of solidifying steel-making slag and material produced by the method
04/19/2000CN2374545Y Cement fast burning furnace
04/19/2000CN1251082A Method for treating cement clinker
04/19/2000CN1250757A Activating agent for powdered coal ash concrete
04/19/2000CN1250756A High-performance non-clinker powdered coal ash-slags cement
04/19/2000CN1051535C Prodn. of cement by waste gas and dregs from artificial gas
04/18/2000US6050813 Control of cement clinker production by analysis of sulfur in the end product
04/18/2000US6050203 Method for use of solid waste as fuel for cement manufacture
04/12/2000EP0992466A1 Sealing element with water-repellent admixture
04/12/2000EP0877907B1 Method and apparatus for continuous treatment of particulate material
04/06/2000WO2000018699A1 Process for producing cement clinker containing blast furnace slag
03/2000
03/30/2000DE19844038A1 White cement production comprises multistage heat exchange of the clinker with fuel and combustion air and using separated undersize clinker particles as grinding charge
03/29/2000CN1248556A Chemical mortar for foundation grouting
03/22/2000EP0987508A1 Firing system for counter-current mineral calcinating processes
03/22/2000CN1247841A Cement baking process in kiln with dry preheater by using city garbage as material
03/22/2000CN1247840A Production process of slag portland cement with less clinker
03/14/2000US6036768 Cement composition
03/09/2000WO2000012444A1 Device and method of bypassing kiln exhaust gas
03/08/2000EP0983211A1 Removal of sulfur oxides from preheater off gases
03/08/2000CN1246458A Formula of gypsum-slag cement containing waste slag as filler and its preparing process
03/08/2000CN1050112C Method for producing cement clinker by replacing partial limestone with chromium salt dregs
03/08/2000CN1050111C Production method of slightly expanded portland cement
03/07/2000US6033469 Injection preparation suspension free of sodium bentonite
03/07/2000US6033468 Interground white blended cement
03/07/2000US6033467 Method of making cement or mine backfill from base metal smelter slag
03/07/2000US6033102 Method and system for controlling mixing of raw materials for cement
03/01/2000CN1245787A Method for prodcing low-clinker early-strength fly-ash slag composite cement
03/01/2000CN1049880C Ultrahigh calcium aluminoferrite portland cement clinker and its prepn. method
02/2000
02/29/2000US6030673 Starch-bound cellular matrix formed by gelatinizing a starch based binder with water and hardening by evaporating water to form inner foam and outer skin and coating with specific natural or synthetic biodegradable materials
02/29/2000US6030448 From cement raw material using a preheating zone, a calcination zone, a heating zone in which the calcined material is further heated whilst avoiding the formation of a molten phase
02/24/2000DE19836323A1 Mahlanlage und Verfahren zur Vermahlung von Rohmaterialien Grinding system and method for grinding raw materials
02/24/2000DE19749183C2 Verfahren für den keramischen Brand von Tonen Method for ceramic firing of clays
02/23/2000EP0980852A1 Cement manufacturing apparatus
02/23/2000EP0980344A1 Method and device for producing storage mineral constituents to immobilize harmful substances and for producing components, specially building slabs and mixtures
02/23/2000CN2365218Y Pneumatic floating grid plate
02/23/2000CN1245154A Glass fibre cement
02/22/2000US6027561 Cementitious material and highly reactive pozzolan comprising spray dried metakaolin; improved flowability as a dry powder with a higher bulk density to reduce shipping and storage costs
02/17/2000DE19835734A1 Thermal treatment of solids for cement clinker production or power generation involves use of coupled rotating tubular or centrifugal reactors having double-walled shell structure and fulfill different tasks
02/16/2000EP0979675A1 Method and plant for millling raw materials
02/16/2000EP0979380A1 Device for driving a cylinder in rotation
02/16/2000CN1049487C Complex current single cylinder cooling machine
02/10/2000WO2000006514A1 Process for producing cement clinker by addition of coal ash
02/09/2000CN2362851Y Resistance force grid
02/09/2000CN1049200C Method for controlling the raw ingredients of cement
02/09/2000CN1049199C Process for producing high strength multifunctional cement
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