Patents
Patents for C04B 18 - Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone (11,919)
05/1991
05/29/1991CN1051720A 自然煤矸石砂浆 Natural gangue mortar
05/29/1991CN1051718A Process of heat insulating material without roasting
05/28/1991US5019170 Coated free aggregate usable in wood concrete technology and method of making the same
05/28/1991US5018459 Reuse as filler
05/23/1991DE4010538C1 Thermal insulation for wooden buildings - comprises shavings impregnated with boron compound and compacted into mould or cavity space
05/22/1991EP0427899A1 Process for the valorisation of solid waste in particular garbage and apparatus for carrying out this method
05/22/1991CN1051523A Technological method for processing product by use of industrial waste slag
05/17/1991WO1991007361A1 Method for upgrading solid waste, particularly household garbage, and device for implementing same
05/17/1991CA2045406A1 Process for the valorization of solid wastes, in particular household refuse, and device for its implementation
05/16/1991DE3937312A1 Solvent-resistant product for use in dam construction - made by mixing waste prodn. from some chemical processes
05/15/1991EP0427064A2 Hydraulic binder and use of it
05/15/1991EP0426813A1 Process for manufacturing clinkers.
05/15/1991EP0426671A1 Product capable of inhibiting the corrosion of the reinforcements present in concrete or cement mortar and related process.
05/14/1991US5015606 Clay, Aggregate, Deflocculant, Surfactant, Water, Hydraulic Binder
05/14/1991US5015450 Process for making calcium sulfate alpha-hemihydrate from calcium sulfate dihydrate
05/14/1991US5015449 Process for making construction grade calcium sulfate alpha-hemihydrate from moist finely divided gypsum obtained from a power plant flue gas desulfurization
05/08/1991DE4035049A1 Nitrifying fly ash from incinerators - by heating to melt and break down harmful products followed by quenching
05/08/1991CN1012572B Preparation of aerated concrete using converter slag
04/1991
04/24/1991EP0423567A2 Method for disposal of dust from waste incineration plants
04/24/1991CN1012430B Process for the preparation of micro in organic foamed granules
04/18/1991WO1991004953A1 Cement matrix and process for its production
04/18/1991DE3934611A1 Solid residue obtd. by heating communal mud - is made into cement by grinding with cement clinker
04/18/1991DE3934349A1 Producing light weight additive for construction industry - by mixing fly ash with binder and water to produce small agglomerated particles which are thermally hardened
04/17/1991EP0422753A1 Process for preparing a particular mixture having hydrophobic properties
04/17/1991EP0422390A1 Use of fluidized bed combustion ashes for making floor cement
04/17/1991EP0422174A1 Reinforcing and/or process fibres based on vegetable fibres, process for producing them and their use.
04/16/1991US5008055 Adding water for hydration, stored to form hydroxides; intense mixing
04/16/1991US5007480 High density, high strength
04/14/1991CA2027654A1 Method for the preparation of a fine-grained mixture having hydrophobic properties
04/04/1991WO1991004225A1 Composite primary particle of noncrystalline silica, composite secondary particle of noncrystalline silica, shaped form thereof and production thereof
03/1991
03/27/1991CN1050177A Fibre-implanted surrounding frame foam concreate composite board
03/26/1991US5002611 Process for manufacturing a hardenable mixture containing coal ash process for manufacturing hardenend granules containing coal ash and building component containing coal ash
03/26/1991US5002609 Iron oxide black pigment granules, processes for their preparation and their use
03/20/1991EP0417583A2 Inorganic shaped body
03/20/1991EP0417582A2 Process for the manufacture of open-celled foam essentially of inorganic constituents
03/13/1991EP0205588B1 Process for preparing metal-coated hollow microspheres
03/06/1991EP0415799A2 Enhanced blended and portland cement compositions
03/06/1991EP0414965A1 Method for forming a formed ceramic construction material, and said construction material
03/06/1991CN1049645A Process for producing of addetives for high effective and modified silicon ash
03/05/1991US4997681 Mineral fiber nodules and method of making same
03/05/1991US4997485 Materials handling
03/05/1991CA1280901C Pretreatment of solid wastes, and wastes to be compacted, for introduction into underground salt cavities or salt caverns via a downpipeunder the force of gravity
02/1991
02/27/1991EP0414303A1 Method for rendering toxic and harmful dust residues produced by thermal destruction processes inert
02/27/1991CN1011775B Simple method for making use of sugar-mill filter-residue
02/19/1991US4994113 Mixture for the preparation of building materials
02/19/1991US4993331 Mixing with binder, pyrolysis, oxidation, vitrification
02/13/1991EP0412182A1 Building elements, in particular gypsum boards
02/07/1991DE3924565A1 Prepn. of zeolite f from power plant waste - with alkali under defined conditions of molar ratios, temp. and duration
02/07/1991DE3924564A1 Prepn. of zeolite from power plant waste - with alkali under defined conditions of molar ratios, temp, and duration
02/06/1991EP0411052A1 Process for the chemical bonding of heavy metals from sludge in the silicate structure of clays and shales and the manufacture of building and construction materials therewith
02/05/1991CA1279876C Method of disposing metallic oxide impregnated dust
01/1991
01/31/1991DE3925094A1 Waste paper building material - used for insulating plaster, mortar, clinker and wall panels
01/23/1991EP0409787A1 Dry mixture for epoxy cement concrete
01/23/1991EP0323482B1 Process for purifying polluted materials and use of the product thus obtained
01/22/1991US4986197 Apparatus for using hazardous waste to form non hazardous aggregate
01/21/1991CA2021412A1 Dry mixture for epoxy cement concrete
01/16/1991EP0407602A1 Lightweight molding and production thereof
01/15/1991US4985119 Cellulose fiber-reinforced structure
01/15/1991US4985081 Method of producing cement or concrete
01/09/1991EP0406278A1 Process for producing fluorescent or phosphorescent pigments coated with glass.
01/09/1991CN1048375A Filter mud used as a substitution for ground quicklime in mixed mortar
01/03/1991DE3921095A1 Finely porous granulate or moulding prodn. - by adding hydraulic binder to foam and mineral dust components before mixing
12/1990
12/19/1990EP0402746A1 Process for the recycling of muddy or dusty accumulated special waste
12/19/1990CN1047880A Compound water-proof building material and preparation thereof
12/13/1990WO1990012906A3 Reinforcing and/or process fibres based on vegetable fibres, process for producing them and their use
12/12/1990EP0402306A1 Process and active substance for solidifying and immobilising hazardous wastes in the liquid or semi-liquid phase
12/12/1990EP0377718A4 Incineration residue treatment process and apparatus
12/12/1990EP0290488A4 Treatment of waste and a rotary kiln therefor
12/05/1990EP0400836A1 Coal fired power plant with pollution control and useful byproducts
12/04/1990CA1277340C Flyslag treatment
12/01/1990WO1990014899A1 Process for manufacturing clinkers
12/01/1990CA2033342A1 Process for manufacturing clinkers
11/1990
11/29/1990EP0363429A4 Process for chemical stabilization of heavy metal bearing dusts and sludges, such as eaf dust.
11/28/1990EP0399585A1 Process for the manufature of solid aggregates from compact mineral slurries
11/28/1990CN1047272A Method for producing composite material of powdered coal ash
11/27/1990US4973196 Process for the intermediate sealing of dumps
11/22/1990EP0398410A1 Process for immobilizing environmentally noxious metals and organic substances
11/22/1990EP0398298A1 Method for transforming surplus mud from purification processes for civil and/or industrial recycled water into inert substances and plant for the realisation of this method
11/22/1990EP0397649A1 Method for improving the concrete-technical properties of fly ash
11/20/1990US4971781 Working up sodium sulfate-containing residues
11/14/1990EP0396975A2 Process for colouring building materials
11/13/1990US4969932 Flyslag treatment utilizing a solids-containing concentrated aqueous stream and a cementitious material
11/13/1990US4969775 Process of dressing contaminated soils
11/07/1990EP0395872A2 Granular black iron oxide pigment, process for its manufacture and its use
11/07/1990EP0268645B1 Process for colouring concrete
11/07/1990CN1046727A Method for producing powdered coal ash brick
10/1990
10/31/1990DE4013314A1 Processing industrially useful residues by melting - with vapour collection as solids for further melting treatment
10/31/1990CN1010230B Making decorative face brick from tailings of iron ore
10/24/1990CN1046320A Mixed material for protecting from radiation of x-or alpha-ray
10/23/1990US4965299 Polymeric chips in thermoplastic resin
10/23/1990US4964917 Adding a phosphonic acid hydration retarder to waste cement; setting it later by adding a n hydration promoter
10/18/1990WO1990012906A2 Reinforcing and/or process fibres based on vegetable fibres, process for producing them and their use
10/18/1990DE3912615A1 Vegetable fibre-based reinforcing and process fibre - by treating fibre with aq. solns. of metal cpds. washing and adding binder, or neutralising with acid
10/18/1990CA2029891A1 Reinforcement fibers and/or process fibers based on plant fibers, method for their production, and their use
10/11/1990WO1990011977A1 Procedure for the admixture of silicon oxide to a hydraulic cement slurry
10/10/1990EP0390923A1 Method of obtaining active mineral admixture to cementing materials
10/01/1990WO1990011978A1 Cellulosic product, process for the production thereof and uses thereof
10/01/1990CA2050600A1 Cellulosic product, process for the production thereof and uses thereof
09/1990
09/27/1990DE4009062A1 Betonmischung Concrete mix
09/26/1990EP0389329A1 Process for insolubilisation and agglomeration of wastes incineration flue gas cleaning residue