Patents for C04B 7 - Hydraulic cements (9,126)
02/2000
02/08/2000US6022408 Adding lithium containing materials in the front of a cement kiln along with the cement starting materials
02/03/2000WO2000005004A1 Hazardous substance-fixing material
02/03/2000DE19833447A1 Verfahren und Vorrichtung zur Verwertung von Abfällen Method and apparatus for recycling waste
02/03/2000DE19833430A1 Utilization of contaminated building material waste as raw material for cement clinker involves comminution and heating of this waste, followed by addition of measured amounts of limestone and/or clay
02/02/2000EP0975557A1 A method of treating cement clinker
02/02/2000EP0876307B1 Method for producing cement
02/01/2000CA2145032C Injection grout for reinforcement coating, namely a prestressed reinforcing bar
02/01/2000CA2059538C Heating and treatment of particulate material
01/2000
01/26/2000EP0974561A1 Process and apparatus for processing waste
01/26/2000EP0796230B1 A method of preparing a puzzolanic material form paper residue and a method for the manufacture of cement from said material
01/26/2000CN1242344A Method for comprehensive utilization of cinder from fluidized bed furnace
01/26/2000CN1048703C Cement resisting alkali-aggreage reaction
01/25/2000US6017213 Method and apparatus for cooling exhaust gas in a kiln by-pass
01/13/2000WO2000001636A1 The reversible agglomeration of fine particle plaster of paris
01/12/2000EP0866778A4 Method of making blended cement compositons
01/12/2000EP0767764B1 Plant for heat treatment of lumpy material
01/12/2000CN1048233C Method and apparatus for sintering cement clinker
01/11/2000US6012918 Method and apparatus for producing cement clinker
01/06/2000WO2000000448A1 Activated aluminosilicate binder
01/06/2000WO2000000447A1 Alkali activated supersulphated binder
01/05/2000EP0968976A1 The reversible agglomeration of fine particle plaster of paris
01/05/2000DE19501074C2 Verfahren zur Steuerung des Erhärtungsprozesses von Expansionszementen, Expansionszement und seine Verwendung Method for controlling the hardening process of expansion cements, expanding cement and its use
01/04/2000US6010553 Process for producing pig iron, nonferrous heavy metal alloys, FECR and synthetic blast furnace slags using metal-oxide-containing waste incineration residues or slags
12/1999
12/30/1999DE19828326A1 Hüttensandhaltiges Bindemittel, insbesondere Zement Blast furnace slag containing binders, especially cement
12/29/1999WO1999067182A1 Method for crushing and reducing slag containing metal oxide
12/29/1999EP0967187A1 Injection grout, uses thereof, works containing this grout and kit for its preparation
12/29/1999EP0967185A1 Binder, particularly cement, containing slag-sand
12/29/1999EP0934112A4 Reduction of no x emissions from rotary cement kilns by selective noncatalytic reduction
12/29/1999CN1239937A Surface treated additive for portland cement concrete
12/28/1999US6007331 Removal of sulfur oxides from preheater off gases
12/22/1999CN2354955Y Pelletizer by spiral pre-moisturing in cement shaft kiln
12/22/1999CN1239085A Soil solidifying agent
12/22/1999CN1239082A Vertical cylinder type dry calcine kiln for cement clinker
12/22/1999CN1047581C Volcanic ash ardealite cement producing process
12/22/1999CN1047580C Prodn. method of cement
12/22/1999CN1047579C Prodn. method of special cement by use of electric furnace phosphoric slag
12/21/1999US6005057 Cement grinding aid
12/15/1999CN1238315A Process for producing powdered coal ash products as building material with boiler fume
12/15/1999CN1238311A High-efficacy mixed material and its production method
12/15/1999CN1047373C One furnace two purpose simultanesouly concurrent heat and cement clinker producing method, produc, equipment and application
12/15/1999CN1047372C Process for producing ultra-quick hard cement
12/14/1999US6000145 Method and apparatus for continuous treatment of particulate material
12/08/1999CN1237548A Portland cement clinker standard
12/07/1999US5997632 Blended hydraulic cement
12/01/1999CN1236749A Cyclic dust collecting technique for cement production
12/01/1999CN1236748A Process for preparing active cement mixture by calcining coal gangue
12/01/1999CN1236747A Mortar powder of magnesium slag ash and its product
12/01/1999CN1046926C Method for recovering tailings of iron ore
11/1999
11/23/1999US5989017 Disposal of waste tires
11/18/1999WO1999058469A1 Cement material containing lithium with improved mechanical properties, useful for retaining cations, and methods for making same
11/17/1999EP0858436B1 Method and apparatus for producing cement clinker
11/17/1999CN1235129A Process for calcining cement clinker from raw material containing tungsten
11/10/1999CN1234785A Method and apparatus for cooling exhaust gas from bypass of kiln
11/10/1999CN1046258C Method for producing cement, formed concrete structural member and use as additive
11/10/1999CN1046257C Prehomogenizing wet process for production of flyash cement
11/10/1999CN1046253C Method for preparing caesium and ribidium salt solution
11/04/1999WO1999055636A1 A cementitious mixture
11/03/1999EP0952971A1 Surface treated additive for portland cement concrete
11/03/1999CN1233604A Five ratio value chemical equilibrium blending method in cement production
11/03/1999CN1233602A Technique of producing environmental protection cement using double compounded mineralization agent raw material
11/03/1999CN1233601A Technology of producing cement using multielement, solid phase and biomass-contg. compound raw material
11/02/1999US5976243 Process for producing cement clinker containing blast furnace slag
11/02/1999US5976242 Setting-retarder and its application to concrete, mortars and/or grouts
11/02/1999US5975891 Method for reducing NOx emission from a kiln plant
10/1999
10/27/1999EP0842129B1 Apparatus and method for producing clinker from a hydrous slurry of raw materials
10/26/1999US5972104 Method and apparatus for producing cement clinker
10/21/1999WO1998048231A8 Cooler for particulate material
10/20/1999CN1232000A Method for producing artificial admixture for cement and concrete, products thereby and use thereof
10/20/1999CN1045762C Process for calcinating clinker by using lanthanon-contg. raw material
10/20/1999CN1045761C Special purpose cement for low alkali glass fiber reinforced concrete and clinker producing process
10/19/1999US5968258 Crushing slag with calcium sulfate source; heating, grinding
10/14/1999DE19817519A1 Production of storage mineral components
10/14/1999DE19817518A1 Production of storage mineral components
10/13/1999CN1045580C Method for preparing slag cement containing activator
09/1999
09/30/1999WO1999048831A1 Process for converting well drill cuttings into raw materials for the production of cement and cement compositions obtained therefrom
09/30/1999WO1999040040A3 Kiln plant and method for manufacturing cement
09/29/1999CN1045280C Hydraulic hard compsn. and process for producing concrete pile using the same
09/22/1999EP0640062B2 Cement composition
09/22/1999CN1229404A Method for producing sulfate cement or sulfate cement aggregates
09/21/1999US5955042 Method of treating spent potliner material from aluminum reduction cells
09/21/1999US5954499 Plant and method for manufacturing cement clinker
09/15/1999EP0941975A1 Injection cement containing corrosion inhibitors
09/15/1999EP0941974A1 Method of production of cement
09/15/1999CN1228393A Cement formula
09/14/1999US5951279 Method and apparatus for reducing pollutant circulations in the manufacture of cement clinker from raw meal
09/10/1999WO1999044961A1 Cement manufacturing apparatus
09/09/1999CA2265162A1 Injection cement comprising corrosion inhibitors
09/08/1999CN1227825A Method for producing sulfuric acid and jointly producing cement by using anthracite cinder instead of coke breeze
09/08/1999CN1227824A Improved method for producing sulfuric acid and jointly producing cement
09/07/1999US5948158 Drying using gas suspension drier
09/07/1999US5948157 Surface treated additive for portland cement concrete
09/07/1999CA2157961C Fixed bed filtering preheater system for high temperature process furnaces
09/01/1999CN1044872C Device and method for treating gangue
08/1999
08/31/1999US5944870 Method of manufacturing pig iron or steel and cement clinker from slags
08/26/1999WO1999042416A1 Removal of sulfur oxides from preheater off gases
08/25/1999EP0937957A2 Process and installation for the firing of powdery raw materialsoudre
08/25/1999CN1226526A Electrically conductive graphite cement boards and process for producing the same
08/25/1999CN1044799C Cement-like soil firming agent
08/18/1999CN1225904A Impact-resisting wear-resisting silicate cement and production process thereof
08/17/1999US5937771 Method of processing kiln exhaust gases by chlorine bypass system and apparatus therefor
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