| Patents for C04B 7 - Hydraulic cements (9,126) |
|---|
| 06/17/1992 | CN1061948A Smelting and rolling method for production of mud-slag-silicate black cement |
| 06/17/1992 | CN1017082B Novel vertical kiln |
| 06/16/1992 | US5122190 Entraining partially calcined raw meal in kiln off gases, directing to bypass system, separating, hydrating |
| 06/16/1992 | US5122189 Manufacture of cement clinker in long rotary kilns by the addition of volatile fuels components directly into the calcining zone of the rotary kiln |
| 06/16/1992 | US5121795 Terminating the flow of fluid through a gravel pack in a wellbore, or from a highly permeable portion of a fracture in a suterranean formation |
| 06/11/1992 | DE4039079A1 Limestone reduction - using hammer mill and rotary crusher before material is finely ground for cement |
| 06/10/1992 | EP0489634A1 Method for milling mineral material |
| 06/10/1992 | CN1061768A Method for prodn. of cement with enhanced early strength |
| 06/10/1992 | CN1061767A Method for controlling inherent stress value of inherent-stress cement |
| 06/04/1992 | DE4037956A1 Microfine cement clinker - produced from cement raw meal slurry |
| 06/03/1992 | EP0488989A1 Process for producing cement clinker |
| 06/03/1992 | EP0488832A1 Process and installation for the treatment of vitrified blast furnace slags and products obtained according to this process |
| 06/02/1992 | US5118288 Cement advanced furnace and process |
| 06/02/1992 | CA1302438C Method of manufacturing cement |
| 06/02/1992 | CA1302049C Method and system for simultaneously scrubbing cement kiln exhaustgas and producing useful by-products therefrom |
| 05/31/1992 | CA2055965A1 Method of producing cement clinker |
| 05/27/1992 | EP0486535A1 Heating and treatment of particulate material. |
| 05/26/1992 | US5116420 High strength, wear resistance |
| 05/20/1992 | CN1061207A Hollow formation process of vertical kiln cement raw meal and its installation |
| 05/19/1992 | CA1300853C Method of and an apparatus for the treatment of power station residues |
| 05/15/1992 | WO1992008678A1 Magnetic cement-bound bodies |
| 05/15/1992 | CA2096351A1 Magnetic cement-bound bodies |
| 05/13/1992 | CN1061014A Hollow centered microbead portland cement |
| 05/13/1992 | CN1016587B Method of and apparatus for treatment of power station residues |
| 05/12/1992 | CA1300650C Hydraulic cement |
| 05/12/1992 | CA1300649C Cementitious compositions |
| 05/06/1992 | WO1992007803A1 Spherical hydraulic substance and production thereof |
| 05/06/1992 | EP0393043B1 Methods of making cementitious compositions from waste products |
| 05/06/1992 | CN1060831A Portland cement using cryogenic powdered coal dust |
| 05/06/1992 | CN1016503B Aluminate cement with high iron and surfur content |
| 05/06/1992 | CA2073170A1 Spherical hydraulic substance and production thereof |
| 04/29/1992 | CN1060681A Blast furnace producing active slag by gangue |
| 04/29/1992 | CN1060643A Cement kiln calcining efficacy-improved technology by adding seed crystal |
| 04/28/1992 | US5108510 Mixture of burned oil shale and group 3 and(or) 4 oxides, hydroxides |
| 04/22/1992 | CN1060457A Silicoaluminate concrete plumping agent and production method thereof |
| 04/22/1992 | CN1060456A Micro-expansive antiwear silicate cement and its productive method |
| 04/22/1992 | CN1016380B Multi-cylinder cooling machine with ring bend |
| 04/22/1992 | CN1016331B Inorganic sound absorbent for building |
| 04/21/1992 | US5106423 Ultrafine ground slag, water, dispersant, and accelerator |
| 04/06/1992 | WO1992006048A1 Method for improving the activation of latently hydraulic basic blast-furnace slag in the production of a building material |
| 04/06/1992 | CA2093319A1 Method for improving the activation of latently hydraulic basic blast-furnace slag in the production of a building material |
| 04/01/1992 | CN1016058B Manufacture of coloured cement by method of direct roasting |
| 03/31/1992 | US5100633 Reacting with ash |
| 03/31/1992 | US5100473 Process for producing hardened materials from combustion ash of fluidized bed |
| 03/25/1992 | EP0476941A1 Cementitious compositions and method |
| 03/25/1992 | EP0476312A1 Process for production of chlorosilicates |
| 03/25/1992 | CN1015979B Production process of building daub soda-residue |
| 03/24/1992 | US5098285 Preheating, roasting, burning used tires in excess of oxygen |
| 03/19/1992 | WO1992004299A1 Tecto-alumosilicate cement and process for making it |
| 03/19/1992 | WO1992004297A1 Surface-coating compositions and composite materials |
| 03/18/1992 | CN1059595A Spurting preheater |
| 03/17/1992 | US5096497 Two slurries: one water, ferrite cement component and reactive source of silica, the other water, calcium sulfate, calcium hydroxide and calcium oxide |
| 03/17/1992 | CA1297502C Process for chemical stabilization of heavy metal bearing dusts and sludges, such as eaf dust |
| 03/11/1992 | EP0473628A1 Method and plant for the production of injectable cement mixtures |
| 03/08/1992 | WO1992004292A1 Homogeneous tar and cementitious composition and process |
| 03/08/1992 | CA2091169A1 Homogeneous tar and cementitious composition and process |
| 03/05/1992 | WO1992003691A1 Plant for the heat treatment of powdery raw materials |
| 03/04/1992 | WO1992004300A1 Tectoaluminosilicate cement and process for producing it |
| 03/04/1992 | CN2097834U White cement grog bleaching device |
| 03/04/1992 | CA2072646A1 Tectoaluminosilicate cement and process for producing it |
| 03/03/1992 | US5092932 Oxidation of sulfides and phosphides in slags; portland cements |
| 02/27/1992 | DE4026814A1 Anlage zur thermischen behandlung von mehlfoermigen rohmaterialien Raw materials plant for thermal treatment of mehlfoermigen |
| 02/19/1992 | EP0435866B1 Cooling of scissors for cutting of glass gobs |
| 02/19/1992 | CN2096565U Rotary kiln pre-decomposition device for cement vertical cylider preheater |
| 02/12/1992 | CN1015447B Melting promotor for cement |
| 02/12/1992 | CN1015446B Barium-containing sulfoaluminate cement |
| 02/12/1992 | CN1015445B Composition of high-quality plumping agent of concrete and manufacturing method |
| 02/12/1992 | CN1015422B Apparatus for manufacturing cements clinker |
| 02/11/1992 | US5086850 Well bore drilling direction changing method |
| 02/11/1992 | US5086716 System, apparatus and method for disposing of solid waste |
| 02/06/1992 | WO1992001643A1 Process for producing lime hydrate-rich binders for concretes and mortars, and use of the binders thus produced |
| 01/28/1992 | US5084102 Cement, method of preparing such cement and method of making products using such cement |
| 01/28/1992 | US5083516 Processed wastes as supplemental fuel for modified cement films |
| 01/22/1992 | EP0467086A2 A method for recycling wash residue of ready mixed concrete and system therefor |
| 01/16/1992 | DE4022181A1 Utilisation of scrap polystyrene foam - by disintegrating into coarse particles, feeding into hot air draughts in cement kiln to be incinerated and save heating |
| 01/15/1992 | EP0466324A1 Method and apparatus for heat treatment of pulverous material |
| 01/15/1992 | CN1057825A Mine used high water bed solidification support material |
| 01/15/1992 | CN1057821A Production process for gangue low temp. cement and fluid-bed calciner plant |
| 01/09/1992 | WO1992000251A1 Highly durable cement products containing siliceous ashes |
| 01/08/1992 | EP0464631A2 Apparatus for preheating granular material |
| 01/08/1992 | CN2092543U Material distributor for preheater of cement cylinder |
| 01/08/1992 | CN1057634A Method and apparatus for manufacture of clinker of mineral raw materials |
| 01/08/1992 | CN1057633A Combined decomposition furnace with dual swirl nozzles |
| 01/08/1992 | CN1057632A Sulphate cement made of steel slag |
| 01/07/1992 | US5078593 Disposal |
| 01/02/1992 | EP0463156A1 Cement shaft suspension furnace and process |
| 01/02/1992 | EP0462972A1 Method for energy recovery from solid hazardous waste. |
| 01/02/1992 | DE4020534A1 Microfine cement clinker prodn. from limestone sludge - is by passing into hot gas stream to which carbon mon:oxide is added |
| 01/01/1992 | CN1015283B Apparatus for roasting fine grained material |
| 12/31/1991 | US5077436 Reacting dihydroxy derivatives with m-dinitrobenzene; reducing |
| 12/31/1991 | US5076851 Mixed gypsumless portland cement |
| 12/31/1991 | US5076179 Method and apparatus for injecting sludge into a kiln |
| 12/26/1991 | WO1991019687A1 Rapid curing composition |
| 12/18/1991 | EP0461305A1 Process for the purification of exhaust gases of plants for the production of cement clinker |
| 12/17/1991 | US5073197 Cement compositions |
| 12/10/1991 | US5071484 Pulverulent cement containing calcium silicates, calcium alumi nate and calcium sulfate; high strength |
| 12/09/1991 | CA2044130A1 Process for producing cement |
| 12/04/1991 | EP0324753B1 Process for manufacturing a calcium sulphate-containing solid secondary raw material |
| 11/28/1991 | WO1991017875A1 Hydraulically bonded cement compositions and their methods of manufacture and use |
| 11/27/1991 | CN1014882B Mixtures for improving stability of cement |