| 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) |
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| 08/06/1992 | WO1992010286A3 Method and composition of preparing encapsulated ceramic metal oxides |
| 07/30/1992 | DE4101870A1 Fibre-reinforced inorganic shaped body mfr., e.g. fibre-reinforced cement article - by dewatering fibre-binder suspension, with recycling of the filtrate |
| 07/29/1992 | EP0496148A2 Improvements in the treatment of ashes |
| 07/23/1992 | WO1992012215A1 Use of oil-in-water-type emulsions and process for producing concrete blocks with special properties |
| 07/22/1992 | EP0495244A1 Method for building a sealing trench wall |
| 07/14/1992 | US5130194 Silanol coupling agent |
| 07/09/1992 | DE4100315A1 Concrete and reinforced concrete - mfd. with crushed aggregate for improved cement adhesion and strength |
| 07/08/1992 | EP0493858A1 Sand-cement mixture suitable for mortar |
| 07/01/1992 | EP0491946A1 Mineral substance prevented from undergoing basic reaction and method of preventing said reaction |
| 06/25/1992 | WO1992010286A2 Method and composition of preparing encapsulated ceramic metal oxides |
| 06/23/1992 | US5124374 Temperature resistant structural composite |
| 06/23/1992 | US5124101 Thermal conductivity under atomospheric pressure; surface treatment to remove cohesiveness and render vacent spaces |
| 06/17/1992 | DE4031935A1 Plaster moulding prodn. avoiding premature setting - by dry mixing lignocellulose fibre and plaster, adding water contg. lignin-sulphonic acid, then accelerator and recycled material |
| 06/03/1992 | EP0487750A1 Method for making aggregate for construction material from infectious medical wastes |
| 05/19/1992 | US5114617 Cement, pozzolan, fine and coarse aggregates; bonding strength |
| 05/19/1992 | US5114475 Method for the preparation of a fine-grained mixture having hydrophobic properties |
| 05/15/1992 | WO1992008678A1 Magnetic cement-bound bodies |
| 05/15/1992 | CA2096351A1 Magnetic cement-bound bodies |
| 05/12/1992 | US5112657 Simulated marble products |
| 05/12/1992 | CA1300650C Hydraulic cement |
| 05/05/1992 | US5110361 Magnesium oxychloride cement compositions and methods for manufacture and use |
| 04/29/1992 | EP0482826A1 Microbicidal acoustical tiles |
| 04/29/1992 | EP0482335A1 Method for treating fly ash |
| 04/23/1992 | CA2053443A1 Process for the treatment of flue particulates |
| 04/21/1992 | US5106510 Combined filtration and fixation of heavy metals |
| 04/16/1992 | WO1992006051A1 Method and device for swelling granular material |
| 04/07/1992 | US5102055 For cleaning and separating residues |
| 03/24/1992 | US5098612 Method of preparing solidified and stabilized hazardous or radioactive liquids |
| 03/19/1992 | WO1992004496A1 Method of producing porous lithium aluminate fiber and coarse particle |
| 03/19/1992 | WO1992004299A1 Tecto-alumosilicate cement and process for making it |
| 03/19/1992 | WO1992004296A1 Method for improving the performance and durability of concrete |
| 03/19/1992 | DE4107929A1 Used concrete recycling - using immersion bath with medium to give hydrophobic action to encapsulate alkali etc. before further use |
| 03/19/1992 | DE4029030A1 Prepn. of expanded perlite contg. nitrogen - by heating crude perlite to its expanding temp. and maintaining until degree of expansion is reached |
| 03/17/1992 | US5096733 Prevention of the acute cytotoxicity associated with silica containing minerals |
| 03/10/1992 | US5094906 Ceramic microtubular materials and method of making same |
| 03/05/1992 | DE4107930A1 Old concrete processing - by giving fragments coating of phenol¨ glue resin to prevent escape of toxic material into environment |
| 03/04/1992 | WO1992004300A1 Tectoaluminosilicate cement and process for producing it |
| 03/04/1992 | CA2072646A1 Tectoaluminosilicate cement and process for producing it |
| 03/03/1992 | US5093410 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum |
| 02/20/1992 | WO1992002468A1 Method for producing lightweight aggregates, adhesive composition for implementing same, and aggregates thereby obtained |
| 02/12/1992 | EP0470948A2 Building material mixture for producing moulded and prefabricated elements, as well as process for the production of this mixture |
| 02/12/1992 | CN1015445B Composition of high-quality plumping agent of concrete and manufacturing method |
| 02/11/1992 | WO1992002469A1 Complemented cement mixed with selected aggregates |
| 02/11/1992 | CA2089067A1 Complemented cement mixed with selected aggregates |
| 01/28/1992 | US5084307 Immersion of fibers in an ion solution and drying |
| 01/23/1992 | WO1992000938A1 Mineral substance prevented from undergoing basic reaction and method of preventing said reaction |
| 01/21/1992 | US5082878 Shrink controlled low-temperature-curable polyester resin compositions |
| 01/15/1992 | EP0466250A2 Method for the production of mineral aggregates |
| 12/31/1991 | US5076986 Process for manufacturing a composite material |
| 12/24/1991 | US5075358 Multiple purpose patching composition |
| 12/19/1991 | WO1991019518A1 Device for making aggregate for construction material from infectious medical wastes |
| 12/19/1991 | CA2060202A1 Apparatus for producing aggregate for construction works from infectious medical waste articles |
| 11/27/1991 | EP0431112A4 High strength structural perlite concrete |
| 11/27/1991 | CN1056513A Heat-insulating waterproof powder and productive method thereof |
| 11/21/1991 | EP0457634A1 Lightweight granules for lightweight concrete, process for their production. |
| 11/19/1991 | CA2016974A1 Coating method for encapsulation of particulate matter |
| 11/12/1991 | CA1291849C Process of dyeing concrete |
| 10/22/1991 | US5059371 Method and apparatus for extrusion molding fiber-and cement-containing W/O type emulsion |
| 10/22/1991 | US5059267 Bundling molybdenum pipes, impregnation with inorganic polysilazane, pyrolysis to form silicide |
| 10/17/1991 | WO1991015437A1 Ultrafine ceramic fibers |
| 10/16/1991 | EP0451964A2 Method of producing a light weight building material |
| 10/16/1991 | EP0451928A1 Process for the fabrication of porous ceramic granules used as an adsorbing or absorbing agent, particularly for animal litter |
| 10/15/1991 | US5057173 Process for the production of needle felt from rock wool |
| 10/06/1991 | WO1991015112A1 Process for the production of a porous granulated ceramic material for use as an adsorbent or absorbent, in particular animal litter |
| 10/06/1991 | CA2051807A1 Process for producing a porous ceramic granular material for use as an adsorbent and/or absorbent, particularly as animal litter |
| 10/02/1991 | EP0449234A2 Process for pore formation in mortar |
| 10/02/1991 | EP0448577A1 Fibres and material comprising same. |
| 09/25/1991 | EP0447499A1 Method for preparing a resin concrete |
| 09/25/1991 | EP0258384B1 Lightweight joint compound having improved paintability |
| 09/19/1991 | DE4018619A1 Artificial surface-colouring of sand for use in plaster, fillers, etc. - by mixing sand or other aggregate with soln. of silicone resin and organic or mineral pigment, and allowing to dry |
| 09/19/1991 | DE4007778A1 Rendering harmful dusts, e.g. quartz dust, harmless - by biologically inert casing, e.g. acrylic] casing |
| 09/16/1991 | CA2038207A1 Aggregate for use in making structural elements |
| 08/29/1991 | DE4004780A1 Ecologically good loudspeaker housings - are made up of hollow fibre-reinforced concrete components, have favourable acoustic properties and are free from standing waves |
| 08/22/1991 | DE4005436A1 Incinerator ash and filter dust treatment - adds water at mixing or conveyor assemblies after the separators to prevent gas development after reaction heating |
| 08/20/1991 | US5041475 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum |
| 08/07/1991 | EP0440523A1 Mortar for the fabrication of pressure resistant pipes, pipe made from this mortar and process for its fabrication |
| 08/06/1991 | US5037286 Incineration residue treatment apparatus |
| 07/30/1991 | US5035748 Storage-stable inorganic pigments containing specific polyorganosiloxanes with long chain aryl and/or alkyl groups |
| 07/24/1991 | EP0437874A1 Method for reducing the leachability of granular material and granular material obtained using this method |
| 07/17/1991 | EP0437324A2 Cement and production thereof and concrete made therefrom |
| 07/16/1991 | US5032549 Highly porous ceramic material for absorption and adsorption purposes, particularly for animal litter/bedding |
| 07/10/1991 | CA2029068A1 Cement product and method of producing the same and composition for producing cement product as well as mass concrete and method of producing the same together with cement for producing mass concret |
| 07/09/1991 | CA1285831C Fibrous material for composite materials, fiber- reinforced metal produced therefrom, and process for producing same |
| 07/02/1991 | US5028338 Adsorption on clay, mixing with binder, hardening |
| 06/18/1991 | US5025041 Pearlescent coating compositions |
| 06/18/1991 | US5024859 Method for applying an oxide barrier coating to a reinforcing fiber |
| 06/12/1991 | EP0431112A1 High strength structural perlite concrete. |
| 06/05/1991 | EP0430786A1 Staple fibre made of drawn steel and fibrous composite containing said fibre |
| 06/05/1991 | EP0362345A4 Coloured stearates |
| 05/31/1991 | CA2030635A1 Discontinuous fiber made of drawn steel wire, and a fiber composite containing said fiber |
| 05/23/1991 | DE4036386A1 Coating reinforcing fibre - with oxide barrier coating, used in ceramic matrix composite material |
| 05/21/1991 | US5017233 Method of rendering soils impervious and products for carrying out the method |
| 05/21/1991 | CA2025318A1 Coated reinforcing fiber and method for applying an oxide barrier coating |
| 05/16/1991 | WO1991006513A1 Process for producing an active fine aggregate for the preparation of concrete |
| 05/16/1991 | DE3937431A1 Wear layer for working floors - comprises sand-limestone aggregate and binder contg. alpha-hemi:hydrate, low-alumina cement, plastic dispersion, fine silica and additives |
| 04/24/1991 | CN1012430B Process for the preparation of micro in organic foamed granules |
| 04/17/1991 | EP0422753A1 Process for preparing a particular mixture having hydrophobic properties |
| 04/17/1991 | EP0422174A1 Reinforcing and/or process fibres based on vegetable fibres, process for producing them and their use. |
| 04/16/1991 | US5008348 Infusibilization of organic silazane polymers |
| 04/16/1991 | US5007965 Material for treating heavy metals and metal ions |