Patents for C04B 7 - Hydraulic cements (9,126)
12/2004
12/23/2004US20040259718 from the alumina-containing by-product which occurs in the recycling of salt slag in the aluminum industry and which is of limited immediate utility because of its high residual content of metallic aluminum, aluminum nitride, ammonia, and moisture; use in building materials, ceramics, refractory material
12/23/2004US20040255824 Hydraulic binder with enhanced aging properties
12/22/2004EP1487755A1 Method for the thermal treatment of aqueous concentrates
12/22/2004EP1487754A1 Process for manufacture of high iron hydraulic cement clinker
12/22/2004CN1556056A Cement polyphenyl thermal insulaton composite material
12/22/2004CN1556055A High efficiency cement composite grinding aid
12/21/2004US6833105 Method for making aluminate cement
12/21/2004CA2234523C Process for producing cement clinker containing coal ash
12/16/2004WO2004108621A2 Process for fly ash beneficiation
12/16/2004US20040250736 White pozzolan composition and blended cements containing same
12/16/2004DE10323774A1 Verfahren und Anlage zur thermischen Trocknung eines nass vermahlenen Zementrohmehls Method and apparatus for thermal drying of a wet-milled cement raw meal
12/16/2004DE10300170B4 Verfahren zur Herstellung von hochtonerdehaltigem Rohstoff A process for the production of high alumina raw material
12/15/2004CN2663415Y Inner tube of preheater
12/15/2004CN1554610A Coal type universal cement clinker calcining process and device
12/15/2004CN1554609A Cement clinker calcining crculation preburning process and apparatus
12/14/2004CA2196371C Methods of preventing well cement stress failure
12/09/2004US20040247846 Mixture of cement, fine particles and inorganic particles; filling, workability, high strength upon hardening
12/09/2004US20040245495 mixing polytetrafluoroethylene (PTFE) with a cement, repeated compressing and shearing at an elevated temperature; reduced dust scattering during transportation
12/08/2004EP1483541A1 Method and plant for manufacturing cement clinker
12/08/2004EP1218107B1 Process for improving grinding of cement clinker in mills employing rollers
12/08/2004CN1553884A Hydraulic binder with enhanced aging properties
12/02/2004WO2004103927A2 Method and a plant for thermally drying wet-ground raw meal
12/01/2004CN2659890Y Controlled stream grid plate
12/01/2004CN1178040C Kiln plant and method for manufacturing cement
12/01/2004CN1177775C Slag-silicate cement containing steel dregs less than 8 mm in diameter and its preparing process
12/01/2004CN1177774C Five ratio value chemical equilibrium blending method in cement production
11/2004
11/25/2004WO2004101143A1 Method of and device for obtaining highly reactive calcium sorbents and/ or of binding materials
11/25/2004US20040231569 Cupola slag cement mixture and methods of making and using the same
11/25/2004US20040231566 Process for Fly Ash Beneficiation
11/24/2004EP1478603A1 Use of high carbon coal ash
11/24/2004CN2658148Y 水泥冷却器 Cement cooler
11/24/2004CN1548558A Air permeability raising method for well type kiln to make iron or calcine cement
11/24/2004CN1548374A Process of utilizing flyash to prepare alumina and co-produce cement clinker
11/23/2004CA2429456A1 Recovery of cement kiln dust through precipitation of calcium sulfate using sulfuric acid solution
11/18/2004US20040226478 mixture containign white Portland cement
11/17/2004CN1546411A Clinker-free cement producing process
11/17/2004CN1546410A Composite cement with large amount of coal gangue and its preparation method
11/17/2004CN1546409A Barium containing sulpho- ferro- aluminate cement
11/16/2004US6818058 Incorporating into portland cement at high level
11/10/2004EP1202940B1 An equipment for calcination
11/10/2004CN2654607Y Variable flow resistance grate plate for cooling high temperature bulk material
11/09/2004CA2244236C Plant for manufacturing cement clinker
11/03/2004CN1541969A Method for producing cement using burning fly ash as blending stock
10/2004
10/28/2004US20040211341 Cementing composition and application of such compositions for cementing oil wells or the like
10/28/2004DE10316207A1 Clinker production unit, comprises sinter furnace, bypass system with heating unit, spray unit and separator for the removal of solidified droplets
10/27/2004CN1539780A Method for producing white and color silicate cement from sinter of yellow phosphorus
10/27/2004CN1539779A Solid based silicate cement
10/27/2004CN1539778A High preformance gelate materal
10/27/2004CN1539777A Mixed material in use for producing cement and preparaton method
10/27/2004CN1539776A Cement of barium dregs
10/27/2004CN1539775A Powder of chamotte with high performances
10/26/2004CA2240291C Method of making blended cement compositons
10/21/2004US20040206272 Method for the manufacturing of a powdered material, the powdered material and a ceramic material manufactured there from
10/20/2004EP0748302B2 Method for manufacturing mineralized portland cement clinker
10/20/2004CN1171820C Bending deflection node of grid cooler
10/19/2004US6805554 Plant and method for the production of cement clinker
10/19/2004CA2085219C Highly durable cement products containing siliceous ashes
10/13/2004EP1165461B1 Cementitious compositions
10/13/2004CN1535929A Tertiary air duct coal powder preheating and prefiring technique for cement predecomposition kiln
10/13/2004CN1171068C Kiln for producing chamotte and operating method
10/13/2004CN1171066C Equipment for calcinating cement clinker in large granule and fluidiazation
10/12/2004CA2291843C Cement clinker and cement containing the cement clinker
10/06/2004EP1289902B1 Method for oxidising treatment of steel works slag and resulting ld slag
09/2004
09/29/2004CN1168685C Water hardened cement composition
09/23/2004DE10311277A1 Production of potassium sulfate and aluminum hydroxide from alunite, comprises leaching ground and calcined alunite with water and precipitating aluminum hydroxide with potassium hydroxide
09/22/2004EP1254344A4 Controlled solid fuel thermolysis in preheater/precalciner kilns
09/22/2004CN2642779Y 立式烘干机 Vertical dryer
09/22/2004CN1167643C Composite three-in-one crystal ore for producing cement
09/22/2004CN1167642C Mixed cement material with fine active steel slag powder and method of preparing high grade cement with it
09/15/2004EP1268361B1 Cementing compositions and application of these compositions to cementing oil wells or the like
09/15/2004EP1204616B1 A low-density and low-porosity cementing slurry for oil wells or the like
09/15/2004CN1166579C Method for treating cement clinker
09/14/2004US6790034 Kiln plant control system
09/09/2004US20040173096 Method and system for treating exhaust gas from cement manufacturing equipment
09/08/2004EP1453472A1 Method for the manufacturing of a powdered material, the powdered material and a ceramic material manufactured there from.
09/08/2004CN1526676A CBC composite material made of industrial slag and its production process
09/08/2004CN1526675A Superfine mineral powder additive for producing high-grade cement
09/02/2004US20040168611 Wearing course comprising concrete obtained by hydraulic setting and hardening of an unmodified bitumen emulsion, a hydraulic binder, aggregates, nonionic surfactant and water; roads, industrial floors
09/01/2004CN2637917Y Refuse incinerator
09/01/2004CN1525947A Hydraulic composition
09/01/2004CN1164516C Method for producing built cement and cement produced by said method
08/2004
08/25/2004EP1448493A1 Method for producing slag with hydraulic properties
08/25/2004EP1448492A1 Additive mixture for cement clinker production and its use
08/25/2004EP0927707B1 Method and apparatus for cooling exhaust gas from bypass of kiln
08/25/2004CN1522981A Method for preparing red cement using activated red mud rock
08/25/2004CN1163432C Process of producing cement using multielement, solid phase biochemical compound catalyst
08/19/2004WO2004028994A3 Fiber reinforced cementitious material
08/19/2004DE20305727U1 Hydraulic lime mortar containing filler and meta-kaolin/quicklime mixture as binder useful for renovation work on historical buildings and as a mortar for building with natural stone
08/19/2004DE10305367A1 Verfahren und Anlage zur Wärmebehandlung von mineralischen Rohstoffen Method and apparatus for heat treatment of mineral resources
08/18/2004EP1360157B1 Enhancement of cement clinker yield
08/18/2004CN1162365C Method and apparatus for producing high-pressure steam and calcined cement clinker simultaneously with substituted fuel
08/17/2004US6776839 Early strength
08/17/2004US6776838 White pozzolan composition and blended cements containing same
08/17/2004US6776237 Lightweight well cement compositions and methods
08/12/2004US20040157181 Method for manufacturing cement clinker
08/11/2004EP1445564A1 Process and installation for heat treatment of mineral raw materials
08/11/2004EP1154966B1 Method for producing marl slags
08/11/2004CN1161561C Method and apparatus for incineration of combustible waste during the manufacture of cement clinker
08/11/2004CN1161300C Portland cement clinker
08/11/2004CN1161299C Compound portland cement produced by utilizing industrial waster slag
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