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