Patents for C04B 7 - Hydraulic cements (9,126)
04/1980
04/29/1980US4200469 Method of firing a rotary kiln and apparatus therefor
04/15/1980US4198201 Method of and apparatus for operating industrial furnace systems
04/08/1980US4197137 Process and apparatus for calcining finely divided cement raw materials including finely divided combustible materials
03/1980
03/18/1980US4193554 Method and apparatus for the drying and fine-grinding of coal
03/11/1980US4192643 Apparatus for heat treating fine-grain solids
03/04/1980US4191586 Method and apparatus for reducing the calorific consumption of a cement producing plant
03/04/1980US4191546 Process of making a blistered, crystallizable glass material
03/04/1980US4191526 Suspension gas preheater
02/1980
02/19/1980CA1072133A1 Cement mixture and a method for preparing the same
02/19/1980CA1071863A1 Method of burning pulverous alkali containing raw materials and kiln plant therefor
02/12/1980US4188233 Process for preparing hydraulic binding materials of high bonding capacity from glassy pyrogenic rocks
02/05/1980US4187071 Method for the treatment of finely grained material, particularly for the precalcining of cement
01/1980
01/29/1980CA1070499A1 Apparatus for cooling particulate material
01/29/1980CA1070478A1 Process of producing calcium aluminate trisulfate hydrate and the dehydration product thereof
01/15/1980US4183762 Method for multi-step calcination of cement clinker
01/09/1980EP0006632A1 Process for the production of a hydraulic binding agent
01/08/1980CA1069303A2 System for handling high sulfur materials
12/1979
12/18/1979US4179302 Limestone, clay, ferrous compound, calcium chloride, potassium chloride, sodium chloride
12/12/1979EP0005987A1 Cementitious cartridge for rock-bolting
12/11/1979US4178219 Method for producing mineral binder
11/1979
11/28/1979EP0005469A2 Shaftlike counterflow heat exchanger
11/27/1979US4175975 Aqueous suspensions
11/20/1979US4174974 Transferring molten slag from a coal gasifier to melt chamber, reacting with a lime mineral
11/06/1979US4173487 Process for treating cement plant dust catch
11/06/1979CA1065607A1 Integrated reaction process
10/1979
10/17/1979EP0004568A1 Process for recovering sulphuric acid from natural gypsum or phospho-gypsum
10/09/1979CA1064058A1 Cementing in low temperature environments
10/02/1979US4169701 Fluidized-bed kiln with preheating means
09/1979
09/25/1979US4168985 Binding agent based on cement clinker
09/18/1979CA1062735A1 Hydraulic cements
09/11/1979CA1062287A1 Thixotropic cementing compositions
09/11/1979CA1062006A1 System for handling high sulfur materials
09/04/1979CA1061809A1 Low porosity cement and process for producing same
08/1979
08/28/1979CA1061367A1 Cementiferous composition
08/14/1979US4164425 Cement and process for producing same
07/1979
07/31/1979US4162923 Calcium aluminate based refractory hydraulic binder and its process of preparation
07/31/1979US4162922 Method and apparatus for the lowering of the alkali content of cement calcined to completion
07/31/1979CA1059537A1 Treatment of particulate materials
07/25/1979EP0003123A1 Process and apparatus for pre-burning carbonate raw material
07/24/1979CA1059161A1 Concrete security structures and method for making same
07/24/1979CA1058864A1 Apparatus for calcining raw material
07/24/1979CA1058828A1 Process of producing calcium aluminate monosulfate hydrate
07/17/1979US4161411 Cement dust briquettes and process of production thereof
07/10/1979US4160674 Removing all particles of a size greater than twenty microns
07/03/1979CA1057492A1 Method of burning pulverous raw material and rotary kiln plant therefor
06/1979
06/12/1979CA1056409A1 Lime-fly ash-sulfite compositions
06/05/1979US4157263 High alumina cement and pressure calcined gypsum
06/05/1979CA1055968A1 Burning calcined and uncalcined pulverous raw material
06/05/1979CA1055695A1 Method and means for dry cooling bulk materials
06/05/1979CA1055693A1 Method and apparatus for heat treating pulverous raw materials
05/1979
05/30/1979EP0002054A1 Apparatus for the heat treatment of pulverulent materials
05/29/1979CA1055248A1 Burning of pulverous or granular raw materials
05/22/1979CA1054962A1 Dry distillation process for treating butiminous or oil-containing material
05/16/1979EP0001814A2 Process and apparatus for calcining materials with very diverse grain sizes, more in particular limestone
05/15/1979US4154717 Hydraulic dental cement composition
05/15/1979CA1054638A1 Early strength cements
05/15/1979CA1054365A1 Manufacture of portland cement
05/15/1979CA1054341A1 Pelletizer pan with pellet classifier
05/08/1979US4153655 Products from molten fly ash and scrubber sludge including fly ash
05/01/1979US4152169 Production of hydraulic cements and cement-forming materials
04/1979
04/18/1979EP0001404A1 Apparatus for heat treatment of fine-grained solid materials
04/17/1979US4149898 Decomposition of smelted metallurgical slag by ultrasonic or high frequency vibration
04/03/1979US4147503 Grid cooler, particularly feed step grid cooler
04/03/1979CA1051931A1 Calcium aluminate cement
04/03/1979CA1051658A1 Method and furnace for heat treating material
03/1979
03/27/1979US4146402 Process of producing fiber-reinforced hardened body of gypsum system
03/27/1979US4146360 Recycle ducts
03/27/1979CA1051313A1 Process for the production of raw cement slurries having reduced water content
02/1979
02/27/1979CA1049679A1 Aqueous portland cement precursors comprising salts or styrene-maleic anhydride copolymers
02/21/1979EP0000739A1 Process and apparatus for making cement in a fluidized bed
02/13/1979CA1048267A1 Method and installation of treating raw material for producing cement
01/1979
01/30/1979US4137090 Method for controlling operation of apparatus for preheating and calcining cement materials containing combustible materials
01/30/1979US4137089 Process for producing hydraulic binders and binders obtained
01/23/1979US4135941 Process for the production of portland type cement clinker
01/23/1979US4135876 Cement or alumina
01/23/1979CA1047144A1 Method for optimizing a controlled system parameter
01/09/1979US4133693 Process for producing cement
01/02/1979US4132557 Technique for handling and transporting cement
12/1978
12/26/1978US4131474 Molding sand mixtures
12/26/1978US4130945 Method for the production of fine-grained mixture of mineral solids
12/19/1978US4130441 Cement and process for producing same
12/19/1978US4130390 Installation and method of burning cement raw
11/1978
11/28/1978US4127406 Process for the heat treatment of fine material
11/21/1978US4126480 Aqueous suspensions
11/21/1978US4126471 Method and apparatus for the thermal treatment of alkali-containing pulverized raw material to be used in the manufacture of cement
11/21/1978CA1042663A1 Method of burning pulverous raw material and rotary kiln plant therefor
11/21/1978CA1042662A1 Rotary kiln plant
11/07/1978US4124404 Steel slag cement and method for manufacturing same
10/1978
10/31/1978US4123288 Calcination
10/24/1978US4121945 Enhanced pozzolan
10/24/1978CA1040855A1 Heat exchanger and process for transferring heat between a heat carryin gas and a powdery fluidized material
10/17/1978US4120645 System for handling high sulfur materials
10/17/1978US4120360 Treating wells to mitigate flow-after-cementing
10/10/1978US4119467 Cement and process for producing same
10/10/1978US4119393 Pan agglomeration with mechanical pellet classification
10/03/1978US4118242 Process for manufacturing concrete of high corrosion resistance
10/03/1978US4118177 Apparatus and method for calcining or sintering fine-grained material
10/03/1978US4118176 Heat treatment for fine-grained materials
09/1978
09/26/1978US4116707 Barium or strontium carbonate, alumina, zirconia, chloride of barium, strontium, sodium or potassium
09/19/1978US4115139 Production of raw mix cement slurries having reduced water content
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