| Patents for C04B 7 - Hydraulic cements (9,126) |
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| 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 |