| 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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| 03/25/1992 | CN1015979B Production process of building daub soda-residue |
| 03/19/1992 | WO1992004296A1 Method for improving the performance and durability of concrete |
| 03/17/1992 | US5096498 Mixing binder, water and spent catalyst comprised of silica an d/or alumina; applying to surface; compacting; curing binder |
| 03/17/1992 | CA1297502C Process for chemical stabilization of heavy metal bearing dusts and sludges, such as eaf dust |
| 03/08/1992 | WO1992004292A1 Homogeneous tar and cementitious composition and process |
| 03/08/1992 | CA2091169A1 Homogeneous tar and cementitious composition and process |
| 03/05/1992 | WO1992003388A1 Process and device for reclaiming stocks of fly ash obtained from coal |
| 03/05/1992 | DE4027237A1 High solids aq. dispersions of flue gas gypsum - contg. a surface active sulphonate and complexing agent |
| 03/03/1992 | US5093093 Milling, granulation, fruit acid as retarder, injection mortar |
| 03/03/1992 | US5092932 Oxidation of sulfides and phosphides in slags; portland cements |
| 03/03/1992 | US5092931 Chelation, High Molecular Weight Compound |
| 03/03/1992 | US5092930 Method for making insoluble heavy metals contained in fly ash discharged from incinerator |
| 03/01/1992 | CA2024395A1 Pozzolan blends |
| 02/25/1992 | US5091349 Utilization of slag from coil gasification systems |
| 02/20/1992 | DE4026188A1 Non-volatile inorganic additive recovery from plastics - by crushing, combustion and use in ceramic glaze etc. |
| 02/19/1992 | EP0471132A1 A thermic lithosynthesis process for disposal of liquid and solid industrial wastes |
| 02/11/1992 | US5087375 Method for producing insoluble industrial raw material from waste |
| 02/11/1992 | CA1295515C Acrylic fibres having improved dispersability in viscous organic or inorganic matrices |
| 02/04/1992 | US5085898 Insulating board containing natural fibres |
| 01/30/1992 | DE4023881A1 Heavy metal contg. leach resistant glass - by adding glass formers to molten slag or to combustion prods. |
| 01/29/1992 | EP0467921A1 Procedure for the admixture of silicon oxide to a hydraulic cement slurry. |
| 01/28/1992 | US5084101 Process for the preparation of an open-pore foam from essentially inorganic components |
| 01/23/1992 | WO1992000928A1 High-temperature resistant, porous aggregates, process of producing the same and moulded parts made therefrom |
| 01/22/1992 | EP0466877A1 Process for environmentally safe disposal of noxious solid, liquidand/or gaseous substances at temperatures of 400 to 1800 degrees celsius. |
| 01/22/1992 | EP0466760A1 Cellulosic product, process for the production thereof and uses thereof |
| 01/15/1992 | CN1057823A Cinder-fibre light concrete |
| 01/09/1992 | WO1992000251A1 Highly durable cement products containing siliceous ashes |
| 01/07/1992 | US5078163 Disc ash conditioner |
| 01/02/1992 | DE4020682A1 Constructional of raw material for parquet floors - comprises bamboo canes peeled into thin strips and flat pressed into alternate layers with a binder |
| 01/01/1992 | CN1057447A Reinforced concrete |
| 12/31/1991 | US5076850 Process for treating metal chlorides |
| 12/27/1991 | EP0462298A1 Agglomerated reinforcing fibers and process of making the same |
| 12/17/1991 | US5073281 Pelletized rice hull ash and bentonite clay insulation |
| 12/12/1991 | DE4018568A1 Building material for underground use - mfd. from titanium- and zinc-extraction residues, filter ash, calcium chloride from waste incineration etc. and binder e.g. cement |
| 11/27/1991 | EP0457790A1 Process for binding particulate waste, such as dust, metal scrap, fibres, paper waste or the like, to solids |
| 11/27/1991 | CN1056479A Light-weight brick exempt from baking |
| 11/21/1991 | EP0324501B1 Method for stabilizing concrete residues |
| 11/21/1991 | DE4014618A1 Bactericidal cement conduits etc., for waste water - made using residual dust and ashes from burning refuse, bound in elution resistant form |
| 11/21/1991 | DE3645174C2 Filter dust disposal |
| 11/20/1991 | CN1056347A Apparatus for using hazardous waste to form non hazardous aggregate |
| 11/19/1991 | WO1991017968A1 A silica fume hydrating and plasticizing admixture for concrete |
| 11/19/1991 | CA2063985A1 Silica fume hydrating and plasticizing admixture for concrete |
| 11/14/1991 | WO1991016846A1 Apparatus for using hazardous waste to form non-hazardous aggregate |
| 11/13/1991 | EP0455873A2 Apparatus for using hazardous waste to form non hazardous aggregate |
| 11/12/1991 | CA1291849C Process of dyeing concrete |
| 10/31/1991 | WO1991016464A1 Treatment of particulate materials with reticulated cellulose |
| 10/29/1991 | US5061318 Immobilization of incinerator ash toxic elements in an environmentally safe soil cement composition and method of manufacture |
| 10/22/1991 | US5058679 Solidification of water based muds |
| 10/17/1991 | DE4012189A1 Waste from industrial surface coatings - can be disposed of by e.g. mixing with various types of other waste and e.g. hot press moulding into articles used in the building industry |
| 10/16/1991 | EP0451815A1 Inert material for concretes or mortars, process for the manufacture thereof and concretes or mortars containing same |
| 10/15/1991 | US5057009 Lightweight aggregate from flyash and sewage sludge |
| 10/13/1991 | WO1991016154A1 A process for the combined treatment of waste materials |
| 10/10/1991 | DE4011764A1 Waste incineration slag utilisation - as pelletised aggregate for concrete |
| 10/09/1991 | EP0450151A1 Utilization of slag from coal gasification systems |
| 10/08/1991 | US5054406 Water retardant covering material for solid waste landfills |
| 10/02/1991 | DE4009662A1 Reinforcing and process fibres based on plant fibres and prodn. |
| 10/02/1991 | CN1054960A Method for making carbonized silicate building materials products using boiler flue gas |
| 09/12/1991 | DE4006826A1 Processing e.g. refuse incineration ash contg. hazardous material - to uniform, miscible consistency for mixing with expandable sedimentary rock |
| 09/11/1991 | EP0445301A1 Composite primary particle of noncrystalline silica, composite secondary particle of noncrystalline silica, shaped form thereof and production thereof |
| 09/05/1991 | DE4106380A1 Improving rebound properties of sprayed concrete |
| 09/04/1991 | EP0444991A1 Composite material with thermoplastic matrix containing animal fibres, process for preparing same and its application |
| 09/04/1991 | EP0444049A1 Disposal of hydrocarbon sludge waste. |
| 09/04/1991 | CN1054242A Method for making brick of powdered coal ash |
| 09/04/1991 | CA2037303A1 Shotcreting process |
| 08/29/1991 | DE4006068A1 Fine dust treatment - uses particles of specified dimensions encapsulated in bonding agent to prevent escape of toxic matter |
| 08/29/1991 | DE4005719A1 Lightweight building block prodn. - uses shredded softened used paper with cement |
| 08/28/1991 | CA2031589A1 Construction material containing catalytic cracking catalyst particles |
| 08/22/1991 | WO1991012052A1 Process for environmentally safe disposal of noxious solid, liquidand/or gaseous substances at temperatures of 400 to 1800 degrees |
| 08/22/1991 | DE4104932A1 Agglomerates of acrylic fibres bonded with water or aq. soln. - or dispersion of dispersant or fluidiser have improved dispersibility in viscous inorganic matrixes, partic. concrete mixes |
| 08/21/1991 | CN1053914A Material for making kerb and paving brick |
| 08/08/1991 | WO1991011406A1 Molded inorganic plate and production thereof |
| 08/07/1991 | EP0263859B1 Process for preparing filter dust, dredging sludge (harbour sludge) and similar waste matter for final disposal |
| 08/06/1991 | US5037796 Process for producing hydrated and cured product of lime-gypsum-coal ash mixture |
| 08/06/1991 | US5037479 Treating cadmium and lead with reactive carbonates, phosphates and borates to convert to nonleachable form |
| 08/06/1991 | US5037286 Incineration residue treatment apparatus |
| 07/30/1991 | US5035936 Loose fill insulation product comprising mineral wool nodules |
| 07/24/1991 | EP0437874A1 Method for reducing the leachability of granular material and granular material obtained using this method |
| 07/20/1991 | WO1991010628A1 Process for the slaking of quick lime contained in ashes |
| 07/20/1991 | CA2073338A1 Process for quenching quicklime contained in ashes |
| 07/16/1991 | US5032548 Road beds, levee fill |
| 07/11/1991 | DE4103715A1 Plant for treating household and industrial waste - has bunker for supplying waste, fermentation reactor, carbonisation drum and second fermentation reactor |
| 07/11/1991 | DE4000329A1 Solidification of farmyard slurry - with addn. of acids produced from sewage sludge to react with nitrogen cpds. |
| 07/10/1991 | EP0436220A1 Ceramic composition |
| 07/09/1991 | US5030289 Durable and highly stable molded construction parts |
| 07/04/1991 | DE3943163A1 Fine grain discharge recycling - uses additives to bond coal dust and other waste into disposable products |
| 07/04/1991 | DE3942479A1 Fuel from contaminated grass clippings from motorway sidings - for fluidised bed furnaces having low pollution action |
| 07/03/1991 | CN1013035B Building materials |
| 07/02/1991 | US5028338 Adsorption on clay, mixing with binder, hardening |
| 07/02/1991 | US5028299 Installation for the continuous-flow production of stabilized chips or particles derived from wood waste |
| 07/02/1991 | US5028267 Aqueous dispersion of microsilica having a delayed thixotropic reaction |
| 06/26/1991 | EP0338060B1 Method for stabilizing, solidifying and storing waste material |
| 06/26/1991 | CN1052470A Preparing water-and moisture-proof powder for building from filtrate residue of sugar refinery |
| 06/26/1991 | CN1012951B Process for producing cement by hypercalcium powdered coal ash |
| 06/13/1991 | DE4039091A1 Sound and heat insulating building element prodn. - from lime-contg. ash residues and other wastes |
| 06/08/1991 | WO1991008990A1 Immobilization of incinerator ash toxic elements in an environmentally safe soil cement composition and method of manufacture |
| 06/06/1991 | DE3939513A1 Treating drilling mud used as ballast and non-constructional concrete - by adding cement and allowing the resulting concrete mixt. to set |
| 06/05/1991 | EP0430232A1 Ash and paper treatment |
| 05/31/1991 | CA2029669A1 Ash and paper treatment |
| 05/29/1991 | DE3939202A1 Combusted residues disposal from incinerators - by feeding residues in melting chamber, of power station boiler plant, to be incorporated in slag for disposal |
| 05/29/1991 | CN1051721A Formulation of bearing hollow brick made from coal ash and preparation thereof |