Patents for C04B 7 - Hydraulic cements (9,126)
05/1981
05/05/1981US4265671 Calcareous minerals, firing
05/05/1981US4265670 Calcination of cement, combustion, heat exchanging, sintering
05/05/1981CA1100284A1 Method for obtaining aluminium oxide
04/1981
04/29/1981EP0027486A1 Process for reducing the calorific consumption of wet process cement kilns by reduction of the water content of the crude material
04/15/1981EP0026921A2 Installation for heat treatment of fine grained material
04/07/1981US4260421 Cement production from coal conversion residues
04/07/1981US4260414 Process for recovering and utilizing useful substances from molten metal produced during reduction treatment of steel slag
04/07/1981US4260370 Process for the heat-treatment of fine grained material
04/01/1981EP0026145A1 Process for making products based on calcium silicates and/or calcium aluminates
03/1981
03/31/1981US4259121 Oxides of calcium, aluminum, and sulfur
03/31/1981US4259062 Apparatus for cooling of cement clinker or the like
03/24/1981US4257766 Processes and apparatus for the heat treatment of fine-grained material
03/17/1981US4256709 From alkaline aluminumsilicates, limestone, comminution
03/17/1981US4256504 Fly ash-based cement
03/17/1981US4256503 Used as fuel in cement-producing rotary kilns
03/17/1981US4256502 Method of preparing cement clinker from carboniferous shale
03/17/1981CA1097501A1 Method of burning granular or pulverulent raw material and kiln plant therefor
03/11/1981EP0024854A1 Hydraulic cements and method of their production
03/10/1981US4255398 Novel ettringite whiskers, production and uses
03/10/1981US4255201 Raw mixture for the production of cement clinker
03/10/1981US4255162 Integrated process for converting sulfur-containing fuels to low sulfur combustible gas
03/10/1981CA1097379A1 Process of preparing a refractory hydraulic binder containing calcium aluminates
03/10/1981CA1097019A1 Method of preparing a sheet-formed product
03/03/1981CA1096629A1 Process of making a blistered, crystallizable glass material
02/1981
02/17/1981US4251280 Process for handling and utilizing system gas in a pyro-processing system
02/17/1981US4251208 Process and installations for transferring heat and their applications for the treatment of raw cement
02/10/1981US4249954 Reduction of particle size
02/10/1981US4249952 Method for producing cement clinker from cement kiln waste dust
02/10/1981US4249951 Mixing with silicon and calcium materials, compacting, firing to form clinker, grinding to form hydraulic cement
02/10/1981US4249892 Method and apparatus for the thermal treatment of pulverulent material particularly for the calcining of cement
02/10/1981CA1095540A1 Binding agent based on cement clinker
02/03/1981US4248641 Method and apparatus for the production of cement clinkers from moist agglomerated raw material
02/03/1981US4248640 For use in cement
02/03/1981US4248639 Method of calcining sinterable materials to form cement clinker or the like
01/1981
01/27/1981CA1094583A1 Hardened product composition and process of producing the same
01/20/1981US4245981 Shaft type countercurrent heat exchanger
01/07/1981EP0021681A1 Hydraulic cement composition
01/06/1981CA1092811A1 Process and an installation for the heat treatment of fine material
01/06/1981CA1092785A1 Process of calcining limestone lime in a rotary kiln
12/1980
12/30/1980US4242313 Processes for the recovery of alumina from fly ash and production of cement constituents
12/30/1980US4242142 Method for treating granulated blast furnace slag
12/23/1980US4240952 Method of making concrete from fly ash
12/23/1980US4240825 Metallothermal process for the simultaneous production of magnesium and cement or calcium and cement
12/23/1980CA1092173A1 Production of cement clinkers utilizing fly ash
12/10/1980EP0020060A1 Cement production from residues from conversion of coal or the like
12/09/1980US4238237 Manufacture of cement by intergrinding carbonaceous fuel
12/09/1980US4238235 Process for stabilizing hydraulic binding agent and briquettes prepared therefrom
12/02/1980US4236932 Method and apparatus for producing a hydraulic binder
12/02/1980US4236888 Heat exchanger with preliminary calcining
12/02/1980US4236887 Method and apparatus for handling and utilizing system off-gas in a pyro-processing system
12/02/1980US4236886 Method and apparatus for the production of coaldust
11/1980
11/26/1980EP0019443A1 Method and apparatus for handling and utilizing system off-gas in a pyro-processing system
11/26/1980EP0019442A1 Method and apparatus for handling and utilizing system off-gas in a pyro-processing system
11/26/1980EP0019338A1 Method of producing artificial slags, artificial slags so obtained and their utilisation
11/13/1980WO1980002419A1 Hydraulic inorganic composition
10/1980
10/21/1980US4229226 Method for the production of cement clinker low in sulphur
10/21/1980CA1088110A1 Process for manufacturing concrete of high corrosion resistance
10/15/1980EP0017398A1 Demolition agent, its preparation and its use
10/15/1980EP0016935A1 Method and apparatus for the heat treatment of fine-grained material, particularly of cementitious material
10/14/1980CA1087385A1 Basic oil well cement
10/14/1980CA1087375A1 Process for producing of high-purity alumina and hydraulic cement
10/07/1980US4226712 Method and apparatus for treating water containing wastes
10/07/1980US4226632 Process for producing high-purity alumina and hydraulic cement
10/07/1980US4226630 Slurrying, hardening
10/07/1980US4226586 Method and apparatus for the thermal treatment of fine-grained material with hot gases
10/07/1980US4226585 Apparatus for the production of cement clinkers from moist agglomerated raw material
09/1980
09/30/1980CA1086782A2 Hydrothermal cement
09/23/1980US4224077 Raw mix for the production of portland cement clinker
09/23/1980CA1086051A1 Dual variable orifice for reinforced preheater
09/16/1980CA1085612A1 Apparatus for producing cement clinker
09/02/1980US4220631 Process of calcining limestone or hydrated lime in a rotary kiln
09/02/1980US4220476 Cement kiln plants
09/02/1980US4220475 Raw mix for producing Portland cement clinker
08/1980
08/26/1980US4219363 Process for the preparation of Portland cement clinker
08/19/1980US4218210 System and method for the heat treatment of fine grained materials
08/19/1980US4218209 Method and apparatus for the thermal treatment of fine-grained material with hot gases
08/19/1980CA1083813A2 Means and method for processing cement raw materials containing fuel of high volatile content
08/12/1980US4217143 Aluminum, calcium and silicon oxides, grinding, impact milling
08/12/1980US4217092 Method and device for sintering material of different granular size
08/05/1980CA1082916A1 Means and method for processing cement raw materials containing fuel of high volatile content
07/1980
07/29/1980US4215232 Production of hydraulic cements and cement-forming materials
07/29/1980CA1082747A1 Portland cement manufacture
07/29/1980CA1082746A1 Mixture for pavement bases and the like
07/22/1980US4213791 Process for producing portland and other hydraulic cements
07/22/1980US4213790 Process for the production of cement in a fluidized bed
07/15/1980CA1081457A1 Calcination
07/08/1980US4211573 Method and apparatus for the production of cement clinker low in alkali from alkali-containing raw material
07/08/1980CA1081265A1 Process for producing cement clinkers
06/1980
06/25/1980EP0012362A1 Heat-treatment method for fine-grained material
06/24/1980US4209296 Apparatus and method for the thermal treatment of fine grained material
06/11/1980EP0011691A1 Heat-treatment method for fine-grained material
06/10/1980CA1079065A1 Cement calcining apparatus
06/03/1980CA1078608A1 Installation for calcining or sintering fine-grained material
05/1980
05/27/1980US4204878 Raw mixture for the production of refractory high-alumina cement
05/27/1980US4204835 Apparatus for treating solid particulate material
05/20/1980CA1077970A1 Hydrothermal cement
05/13/1980US4202851 Method of preparing a sheet-formed product
05/13/1980CA1077452A1 Aqueous suspensions
05/06/1980US4201546 Method and apparatus for the thermal treatment of alkali-containing pulverized raw material to be used in the manufacture of cement
04/1980
04/30/1980EP0010472A2 Hydraulic binder and its application
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