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)
11/1992
11/11/1992EP0512479A2 Flat panel and method for fabricating it
11/11/1992CN1066018A Manufacturing method of composite annual fiber cement panel
11/04/1992EP0511286A1 Process for the slaking of quick lime contained in ashes
11/03/1992US5160539 Method and product of fly ash benefication by carbon burnout in a dry bubbling fluid bed
10/1992
10/28/1992CN1065650A Formulation of yellow or red soil and pulverized coal ash brick
10/27/1992US5158613 Contains microsilica
10/21/1992EP0509607A1 Method of forming a substantially solid article using a stock mixture comprising ground plastic material, in particular waste material
10/21/1992CN1065447A High-strength polymeric board
10/21/1992CN1065446A Slag semiconductor concrete and its products
10/15/1992WO1992017415A1 Fly ash benefication by carbon burnout in a dry bubbling fluid bed
10/15/1992DE4111725A1 Ceramic process for rendering inert pollutants in waste sludges - by forming into shape, opt. with addn. of silicate forming additives, then heating to form encapsulating melt, giving non-leachable prods.
10/15/1992DE4111385A1 Filter dust smelting with reduced electrode erosion - in which electrodes are inserted into glass from above into mixt. of dust and additives
10/09/1992WO1992017416A1 Composite cement block
10/09/1992CA2108042A1 Composite cement block
10/08/1992DE4110944A1 Reuse of tar-contg. rubble - by crushing to give 20 to 25 per cent tar free surface, and mixing with pref. cement binder
10/07/1992EP0507046A1 Process for colouring building materials
10/07/1992CN1065035A Expansion wood and plastics compounding technology
10/06/1992US5152837 Molded, hardened mixture of coal ash, calcium oxide, calcium sulfate and fly ash which has been heat trated prior to molding to prevent ettringite formation
09/1992
09/29/1992US5150985 Method of disposing of salt-containing dusts from incinerator plants
09/23/1992CN1064627A Combined filtration and fixation of heavy metals
09/17/1992WO1992015388A1 Combined filtration and fixation of heavy metals
09/17/1992DE4137156A1 Polystyrene concrete plates - formed by pouring polystyrene concrete conveyor with inserted fabric and light steel reinforcement and cutting to length when set
09/17/1992DE4108581A1 Clay brick - incorporates reduced textile waste material
09/17/1992DE4108366A1 Paving material mfg. - uses mixture of foundry waste products with binding cement to be mixed and pressed
09/16/1992EP0503383A1 Gypsum board with a high fire resistance
09/16/1992EP0502990A1 Immobilization of incinerator ash toxic elements in an environmentally safe soil cement composition and method of manufacture
09/16/1992CN1064468A Binding agent for magnesium oxycarbide
09/15/1992CA1307377C Spheroidization by heating or particles in fluidized bed
09/10/1992DE4107927A1 Exhaust gas cleaner - mixes residue in washing vessel with cement to immobilise hazardous matter for safe disposal
09/09/1992CN1064317A Disaggregation recovering method for treating chromium slag
09/09/1992CN1064258A Slag brick and producing method thereof
09/03/1992WO1992015098A1 Solidification of organic waste materials in cement
09/02/1992EP0318569B1 Process and installation for industrial production of stabilized aggregates
09/02/1992CN1064067A Technology for making burn-free bricks with ash dregs after burning oil shale
09/01/1992US5143550 Waste disposal
09/01/1992US5143481 Method of treating municipal sewage sludge and product produced thereby
09/01/1992US5143304 Process and device for processing residues from refuse incinerators
08/1992
08/29/1992WO1992015536A1 Hazardous waste disposal method and composition
08/27/1992DE4105562A1 Conversion of toxic halogenated organic cpds. from incinerator filter dust - comprises adding glycol to alkaline e.g. filter dust or absorption material and adding water-glass to agglomerate
08/27/1992DE4104929A1 Producing steel fibre reinforced concrete - by using old steel cord reinforced tyres as source of fibre, ensuring uniform distribution of fibre in concrete
08/26/1992EP0500402A1 Process for dry mixing of cement and silica fume in homogeneous form
08/26/1992EP0500199A2 Process for treating contaminated sediments from water
08/26/1992EP0372039B1 Process and device for processing residues from refuse incinerators
08/20/1992DE4104851A1 Broken expanded clay granule scrap recovery - by mixing with clay suspension and firing giving prod. useful e.g. for plant substrate, filter or insulation
08/19/1992CN1017890B Inorganic foamed granules
08/13/1992DE4103412A1 Brown coal filter ash recovery - uses hydration without surplus water to give a construction and joint sealing material
08/12/1992CN1063471A Composition and usage of lightweight concrete
08/11/1992US5137753 Pelletizing ash
08/06/1992WO1992012942A1 Method of recycling ash arising from the incineration of refuse, sewage sludge and toxic waste
08/06/1992WO1992012934A1 Method for purifying water containing calcium sulphate by precipitation of a crystalline sulphoaluminate usable as charge
08/06/1992DE4103397A1 Disposable thin ceramic hollow bodies - made from metal-or ceramic-loaded sol-gels or plastics films and used as fast-food containers, ultrafiltration membranes etc.
08/06/1992DE4103311A1 Neutralising iron sulphate salts - by dissolving in water and adding calcium to form pumpable paste for backfilling
07/1992
07/30/1992DE4101870A1 Fibre-reinforced inorganic shaped body mfr., e.g. fibre-reinforced cement article - by dewatering fibre-binder suspension, with recycling of the filtrate
07/29/1992EP0496689A1 Thermal and acoustic insulation containing hemp by-product and process for making same
07/29/1992EP0496263A2 Process for recycling of bituminous building material
07/29/1992EP0496148A2 Improvements in the treatment of ashes
07/29/1992EP0346350B1 Cement composition curable at low temperatures
07/29/1992CN1017615B Wall and floor tiles made of solid wastes from sulfuric acid production
07/28/1992US5133806 For lake, etc. beds
07/23/1992DE4101347A1 Verwertungsverfahren fuer muell-, klaerschlamm- und sondermuellverbrennungsasche Recovery operations for waste, sewage sludge and sondermuellverbrennungsasche
07/22/1992EP0495337A1 Structural element a part of whose volume is occupied by a compressed elastomer material and process for achieving it
07/22/1992CN1062888A Lightweight aggregate
07/15/1992CN1062714A Process for producing glass marble from waste glass
07/12/1992WO1992012101A1 Lightweight aggregate from fly ash and sewage sludge
07/08/1992CN1062519A Composite concrete products with plant and productive method thereof
07/01/1992EP0492146A1 Method for making and transporting an aqueous silicic acid suspension
07/01/1992EP0492121A1 Process of treating sludge from paper production effluents and use of this sludge
06/1992
06/25/1992WO1992010439A1 Process for producing concrete and mortars
06/25/1992DE4201451A1 Refuse concrete for road building and house foundations, etc. - mfd. from domestic refuse which is chopped and processed to solid material with cement and aggregate
06/17/1992EP0490813A1 Building material
06/14/1992CA2056909A1 Flowable building material
06/11/1992WO1992009539A1 Process for fixing filter dust containing heavy metals in ceramic mouldings
06/09/1992US5120690 Process for the utilization of used denox catalysts
06/08/1992WO1992010438A1 Lightweight aggregate
06/08/1992CA2097699A1 Lightweight aggregate
06/04/1992DE4133136A1 Verfahren zum herstellen von schwermetallhaltigen, keramischen formlingen Method for the manufacture of heavy metal-containing ceramic preforms
06/03/1992EP0488042A1 Granules with a high degree of mechanical resistance made from inorganic industrial waste
06/02/1992US5118527 Dry grout and method of distribution aluminum therein
05/1992
05/26/1992US5116420 High strength, wear resistance
05/19/1992US5114475 Method for the preparation of a fine-grained mixture having hydrophobic properties
05/13/1992CN1061015A General brick fired by burning urban fresh daily refuse
05/13/1992CN1061014A Hollow centered microbead portland cement
05/12/1992CA1300348C Method for cleaning of a hot flue gas stream from waste incineration
05/05/1992US5110360 Chromite by-products as passivators
04/1992
04/30/1992DE4033826A1 Colouring building material with inorganic pigment granulate
04/29/1992EP0482718A1 A fixant for fixing toxic organic compounds comprised in waste material, a method of treating waste material, as well as a matrix
04/29/1992EP0482450A1 Process for colouring building materials
04/29/1992EP0482449A1 Process for colouring building materials
04/29/1992CN1060644A Powder coal ash no-baked no-steamed building bearing brick
04/26/1992CA2039074A1 Pelletizing ash
04/22/1992EP0481444A1 Ceramized surface granulates, preparation and use thereof
04/22/1992CN1016331B Inorganic sound absorbent for building
04/21/1992US5106510 Combined filtration and fixation of heavy metals
04/21/1992US5106424 Decontamination method and use of contaminant
04/21/1992CA1299205C Cellulose fiber reinforced structure
04/16/1992WO1992006050A1 Method and material for treating solid and semi-solid waste materials containing reactive sulfides
04/16/1992DE4032281A1 Construction plate for e.g. paving slabs - composed of concrete as a carrier material with an additive of recycled material
04/14/1992US5104451 Use of fluidized bed ash in a finishing mortar
04/08/1992CN1016161B Producing building material method from waste blank and brean ends of air-entrained concrete
03/1992
03/31/1992US5100473 Process for producing hardened materials from combustion ash of fluidized bed