Patents
Patents for C04B 20 - Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials (4,429)
12/1989
12/12/1989US4886448 Shaft installation for processing of fuel-containing solid materials
11/1989
11/29/1989CN1037497A Production of ca-increasing slag from calcium-rich industrial dregs (calcium carbide dreg, white sludge and red sludge)
11/23/1989EP0342197A1 Process for preparing a composite material
11/02/1989DE3813445A1 Concrete spraying process and also dry mix for carrying out the process
10/1989
10/19/1989WO1989009751A1 Process for treating granular slag formed during the production of hematite iron and phosphoric iron
10/19/1989WO1989003805A3 Production of low-fluorine calcium phosphate and phosphoric acid and of silica
10/18/1989EP0337931A1 Shrink controlled low-temperature-curable polyester resin compositions
10/18/1989EP0337792A2 Flowable joint sealant for concrete highway
10/10/1989US4873207 Ceramic aggregate for roadway composition and method of producing same
10/10/1989US4873145 Resin-coated aggregates
10/05/1989WO1989009250A1 Process for producing fluorescent or phosphorescent pigments coated with glass
10/05/1989WO1989009122A1 Coloured stearates
10/05/1989DE3809937A1 Verfahren zur herstellung von baustoffen mit farbgebenden eigenschaften Process for the manufacture of building materials with coloring properties
09/1989
09/27/1989EP0334413A1 Process for the production of solid agglomerates from mineral sludges
09/26/1989CA1261609A1 Process for water proofing soils, and products used in said process
09/21/1989WO1989008623A1 Filler for a building material
09/20/1989EP0333506A2 Flame retardant vegetable fibre material and the process of the same
09/19/1989CA1259533A1 Inorganic fibrous material as reinforcement for composite materials and process for production thereof
09/13/1989EP0182793B1 High porosity body used for adsorption or absorption purposes, particularly for animal litters, method for producing it and utilization thereof
08/1989
08/29/1989US4861659 High tenacity acrylonitrile fibers and a process for production thereof
08/22/1989US4859243 Carbon fiber-reinforcing gypsum models and forming molds, gypsum powder materials for making such models and molds, and a method for producing them
08/17/1989DE3803786A1 Mineral binder and process for its production and processing
08/15/1989US4857244 Exposing reinforcing fibers to electrostatic field before impregnation with vulcanizable liquid matrix; mechanical properties
07/1989
07/25/1989US4851047 Process for preparing water-repellent articles from gypsum powder containing hydrophobic agents
07/18/1989US4848973 Grout material and grouting method using same
07/11/1989CA1257421A1 Retroreflective materials and methods for their production and use
07/05/1989EP0323292A1 Process for coating fibres and its use in the production of composite materials
06/1989
06/27/1989CA1256628A1 Electrically conductive microspheres and compositions incorporating same
06/08/1989DE3824180C1 Process for producing ceramic shaped parts
05/1989
05/24/1989DE3738818A1 Method of producing a yielding body of construction material
05/18/1989DE3836584A1 Method for disposing of coarse-grained rock material containing oil and/or grease
05/16/1989US4830797 Foamed perlite or glass
05/16/1989CA1254330A1 Electroconductive element, precursor conductive composition and fabrication of same
05/05/1989WO1989003805A2 Production of low-fluorine calcium phosphate and phosphoric acid and of silica
05/02/1989US4826628 Vapor/thermal method of delaminating and stabilizing a phyllosilate and product
04/1989
04/25/1989US4824810 Highly porous ceramic material for absorption and adsorption purposes, particularly for animal litter/bedding, process for the production thereof and the use thereof
04/18/1989US4822679 Precoated with organic polymer binder; adhesion
04/18/1989US4822422 Geothermal wells
04/13/1989DE3732328A1 Process for landfilling waste materials from boiler furnaces
04/06/1989DE3731993A1 Light-weight (breeze) concrete for construction
03/1989
03/14/1989US4812204 Process for obtaining boric acid treated asbestos fiber
03/14/1989CA1251223A1 Ceramic spheroids having low density and high crush resistance
03/08/1989EP0306172A1 Stabilized phyllosilicates and method for their production
02/1989
02/07/1989US4802923 Resistance to salt induced breakdown and high alkali environment; paving
01/1989
01/31/1989US4801563 Thermal insulating expanded silicate-hydrate product and method of forming
01/04/1989CN1030087A Constituents of coloured quartz sand and its preparation
12/1988
12/27/1988US4793980 Hollow porous microspheres as substrates and containers for catalyst
12/20/1988CA1247153A1 Accelerator for gypsum plaster and process of manufacture
12/13/1988CA1246517A1 Sand producing method and apparatus
12/08/1988DE3718091A1 Device for the heat treatment of predominantly mineral material having a residual calorific value, in particular for ceramicising tailings arising in coal production
12/07/1988CN88210263U Burning device for pearlstone powder
11/1988
11/22/1988CA1245399A1 Expandable phenolic resin-coated composite beads, a process for production thereof and a process for molding thereof
11/17/1988EP0291108A1 Process for producing high-strength mortar
11/16/1988CN88102976A Method for manufacturing expanded perlite fireproof board and its heat insulating material
11/15/1988US4784691 Dry cement composition
11/09/1988EP0290394A1 Improved hyraulic cement
11/08/1988CA1244484A1 Process and apparatus for producing an expanded mineral material
11/01/1988US4781982 Dentifrices
11/01/1988CA1244170A1 Lightweight joint compound
11/01/1988CA1243908A1 Metal-coated hollow microspheres
10/1988
10/26/1988EP0288070A2 Clay-containing material and method for its preparation
10/25/1988US4780433 Insulating ceramic building material and method with fired clay and garbage mixture
10/12/1988EP0285623A1 Shaft kilns for processing fuel-containing solid materials
10/12/1988EP0174970B1 Shaft arrangement for thermal and/or material transfer processes between a gas and bulk material
10/12/1988CN88101137A Production of mixed cement materials from wet-drained coal ash
10/11/1988US4777154 Hollow microspheres made from dispersed particle compositions and their production
10/06/1988WO1988007503A1 Method for manufacturing fine porous member
10/06/1988WO1988005375A3 Process for preparing a composite material
09/1988
09/20/1988US4772328 Or acrylonitrile copolymer, length, denier, modulus, strength, extensibility
09/14/1988EP0282240A1 Cement compositions and use thereof
09/13/1988US4770935 Inorganic fibrous material as reinforcement for composite materials and process for production thereof
08/1988
08/30/1988CA1241153A1 Method of increasing the volume yield of exfoliated vermiculite
08/25/1988DE3704783A1 Process for producing expanding mortar mixtures
08/23/1988US4765547 Apparatus for separating fiber from fiber aggregate
08/23/1988CA1240882A1 Coated glass microbubbles
08/17/1988EP0278518A1 Process for the preparation of water-repellent gypsum articles and gypsum powder containing a hydrophobic agent
08/16/1988US4764218 Process for the preparation of micro inorganic foamed granules
08/16/1988US4764107 Shaft arrangement for thermal and/or material transfer processes between a gas and bulk material
08/11/1988WO1988005765A1 Process for producing lightweight concrete
08/09/1988US4762443 Method of rendering soils impervious
07/1988
07/28/1988WO1988005375A2 Process for preparing a composite material
07/27/1988EP0276041A2 Process for preparing composite material including vulcanized products notably tires, ceramics and electrodes and products obtained with said process
07/26/1988US4759988 Grain for construction material
07/21/1988DE3700382A1 Process for foaming glass-forming mineral materials, in particular waste materials such as fly ashes, mud, gravel sludge, flotation residues, ashes from waste etc.
07/14/1988DE3723117C1 Shaped inorganic article
07/12/1988US4756931 Retroreflective materials and methods for their production and use
07/05/1988US4755313 Enclosure containing insulating material mixture of totally reflecting non-metallic glass, plastic or ceramic fibers coated with aluminum and insulating powder of silica, alumina and/or titania
06/1988
06/28/1988US4753679 Cement products containing surface treated inorganic particulates
06/22/1988EP0271825A2 Hydraulic cementitious compositions reinforced with fibers containing polymerized polyacrylonitrile
06/22/1988EP0271794A2 Material and process for jointing tiles
06/08/1988EP0269715A1 Compact reinforced composite.
06/01/1988EP0268645A1 Process for colouring concrete.
05/1988
05/19/1988DE3638524A1 Additive for reinforcing the effect of cement in mortar and concrete
05/16/1988EP0190286A4 Hollow microspheres made from dispersed particle compositions and methods and apparatus for producing them.
05/05/1988DE3636202A1 Composite material
05/03/1988US4741773 Silicone oil and paraffin oil with surfactant
05/03/1988CA1236127A1 Reinforced cement
04/1988
04/26/1988US4740486 Ceramic composition to make cement with insulating properties
04/20/1988CN86106748A Superlight ceramsites and their compounding process
04/13/1988EP0263723A2 A process for manufacture of fibre-reinforced shaped articles
1 ... 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45