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