Patents
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)
04/1991
04/14/1991CA2027654A1 Method for the preparation of a fine-grained mixture having hydrophobic properties
04/09/1991CA1282556C Concrete and aggregate benefaction technology
04/04/1991WO1991004093A1 Process for the treatment of pulverulent materials, mineral or organic, by thermosetting compounds
03/1991
03/26/1991US5002696 Nonporous, density stable in liquid systems
03/21/1991DE3929703A1 Gypsum component esp. board mfr. - with water supplied as ice-contg. reinforcing component
03/20/1991EP0418108A1 Process for and products obtained by mixing cement and reinforcing fibers
03/20/1991EP0417756A2 Method for manufacturing a porous body of molybdenum silicide
03/19/1991US5000980 Process for coating fibers and applications thereof to the production of composite materials
03/19/1991CA1281545C Treatment of expansible materials to form lightweight aggregate
03/19/1991CA1281506C Lightweight aggregate having high resistance to water absorption and process for preparation thereof
03/13/1991EP0205588B1 Process for preparing metal-coated hollow microspheres
03/12/1991CA1281176C Fibrous white electrically conductive material and a white electrically conductive coating composition containing the same
03/07/1991CA2024695A1 Cement and reinforcing fibre mixture, process for making such mixture and articles thereof
02/1991
02/21/1991WO1991001951A1 Method for preparing a resin concrete
02/06/1991EP0245326B1 Improvements relating to hydraulic binders
02/05/1991US4990292 Method for producing carbon fiber-reinforced gypsum models and forming molds
01/1991
01/29/1991US4988390 Method for production of inclusion water for hardening gypsum, method for production of shaped article of gypsum, and shaped article of gypsum
01/29/1991CA1279746C Crosslinking polysilazane composition, in which the hydrosilylation reaction is catalysed by a metal or a metallic compound
01/23/1991EP0409787A1 Dry mixture for epoxy cement concrete
01/23/1991EP0409751A1 New granulates and building materials, concrete pastes ready for use and construction elements obtained from these pastes
01/21/1991CA2021412A1 Dry mixture for epoxy cement concrete
01/15/1991CA1279033C Producing composite materials from high voltage electrostatically charged fibres by impregnation
01/09/1991EP0406278A1 Process for producing fluorescent or phosphorescent pigments coated with glass.
01/01/1991US4981518 Bonded composite structure and method of making
12/1990
12/25/1990US4979992 Compact reinforced composite
12/19/1990EP0403432A2 Pearlescent coating compositions
12/18/1990CA1278000C Cement products containing surface treated inorganic particulates
12/13/1990WO1990012906A3 Reinforcing and/or process fibres based on vegetable fibres, process for producing them and their use
12/12/1990EP0377718A4 Incineration residue treatment process and apparatus
12/04/1990US4974522 Cold-molded cementitious composites reinforced with surface-modified polyamide fibres and method of preparing same
11/1990
11/29/1990WO1990014319A1 High strength structural perlite concrete
11/28/1990EP0399585A1 Process for the manufature of solid aggregates from compact mineral slurries
11/22/1990EP0398410A1 Process for immobilizing environmentally noxious metals and organic substances
11/22/1990DE4014891A1 Verfahren zur herstellung von buendeln von stahldrahtstuecken Process for the preparation of bundles of stahldrahtstuecken
11/15/1990WO1990013524A1 Shaped article with a cement-bound matrix and method and composition for the preparation thereof
11/14/1990EP0396975A2 Process for colouring building materials
11/14/1990CN1046923A Dry grouting agent and method of producing same
11/13/1990CA1276188C Cementitious mixes
11/13/1990CA1276087C Cement reinforcement
11/07/1990EP0395743A1 Filler for a building material.
11/07/1990EP0268645B1 Process for colouring concrete
10/1990
10/31/1990EP0395165A2 Method for disposing of rest material by incorporating it in shaped articles and shaped articles manufactured according to the method
10/24/1990CA2015128A1 Method for disposing of rest material by incorporating it in shaped articles and shaped articles manufactured according to the method
10/23/1990US4964913 High bending strength, large impact strength hydraulic substances reinforced with acrylonitrile fibers and a process for production thereof
10/18/1990WO1990012906A2 Reinforcing and/or process fibres based on vegetable fibres, process for producing them and their use
10/18/1990CA2029891A1 Reinforcement fibers and/or process fibers based on plant fibers, method for their production, and their use
09/1990
09/20/1990DE3908172A1 Porous mineral light-weight aggregate granulate and process for the production thereof
09/19/1990EP0387825A2 Weighted reinforcing fibre and mixture for fibre reinforced building materials, process for their fabrication and use
09/19/1990EP0387251A1 Use of fillers coated with trialkoxysilanes
09/11/1990US4956403 Suppression of pressure water absorption of lightweight aggregate by aqueous dispersion therein of anionic polymers
09/11/1990US4956321 Insulation, treatment of the surface with acid to form neutral sites on the calcium silicate
09/04/1990US4954134 Agglomeration of gypsum, limestone, or gypsum-limestone mix
08/1990
08/30/1990DE4005149A1 Verbesserte puzzolanische zubereitungen Improved pozzolanic preparations
08/24/1990CA2010816A1 Pozzolanic compositions
08/14/1990US4948763 Preparation of hollow ceramic fibers
08/08/1990EP0380704A1 Cement/asphalt mixture and process for its production
08/07/1990US4946505 Mixing pigment containing granules with cement, binders and water
08/01/1990CN1044270A Production of ceramics contg. expansible quartz sand
07/1990
07/24/1990US4943544 High strength, abrasion resistant refractory castable
07/24/1990US4943233 Use of dewatered digested sewerage sludge as the bloating agent
07/18/1990EP0377718A1 Incineration residue treatment process and apparatus.
06/1990
06/28/1990WO1990006902A1 Fibres and material comprising same
06/26/1990US4936384 To control lost circulation, to improve compressive strength and water permeability in geothermal and oil wells
06/20/1990EP0373426A2 Inorganic pigments coated with polyorganosiloxane
06/13/1990CA2005152A1 Inorganic pigments having improved properties
06/12/1990US4933109 Alkali titanate coated with tin oxide
06/12/1990US4932862 Suspended gas reactor
06/05/1990US4931211 Process of expanding obsidian
05/1990
05/16/1990CN1042139A Mine expansion fire stopping-up material
05/09/1990EP0366893A1 Fire resistant wall board
04/1990
04/25/1990EP0365046A1 Process for colouring concrete
04/19/1990DE3834751A1 Process for producing light-weight aggregates having a low density
04/18/1990EP0363707A2 Method for making a needled felt from slag wool
04/12/1990DE3834494A1 Process for producing binder for mortar or concrete production
04/11/1990EP0362345A1 Coloured stearates
04/10/1990US4916171 Polymers comprising alkali-insoluble core/alkali-soluble shell and copositions thereof
04/10/1990US4916012 Cement reinforcing fiber
04/10/1990US4915741 Workability, water retention
04/10/1990US4915739 Modified carbon fiber reinforced cement
04/04/1990EP0361181A2 Infusibilization of organic silazane polymers and preparation of hollow ceramic fibers
03/1990
03/22/1990WO1990002779A1 Use of fillers coated with trialkoxysilanes
03/22/1990WO1990002714A1 Method and preparation for producing concrete
03/20/1990US4910076 Reinforced by network of fibers impregnated with a resin
03/20/1990US4909848 Silicon coated cement particles
03/06/1990US4906183 Treatment of expansible materials to form lightweight aggregate
02/1990
02/27/1990US4904709 Textured exterior surface treatment
02/27/1990US4904416 Cement solidification treatment of spent ion exchange resins
02/22/1990WO1990001469A1 Cement/asphalt mixture and process for its production
02/20/1990US4902537 Cooating or impregnating with an emulsion of epoxy resin and colloidal silica
02/20/1990US4902347 Polyamide fibers, microsilica and Portland cement composites and method for production
02/07/1990EP0353860A2 Expanded mineral particles and apparatus and method of production
02/07/1990EP0190286B1 Hollow microspheres made from dispersed particle compositions and methods and apparatus for producing them
01/1990
01/31/1990CN1039236A Prescription and technology for making fibre-reinforced cement tile and board with vinylon instead of asbestos
01/30/1990CA1264905A1 Hollow microspheres made from dispersed particle compositions
01/18/1990DE3921278A1 Process for producing shaped ceramic parts
01/18/1990DE3822759A1 Process for treating paper and/or cutting and/or planing chippings or shavings and/or wood fibres or the like and for producing mouldings, in particular boards, from a mixture of gypsum and fibrous material
01/10/1990EP0223832B1 Coated glass microbubbles
01/03/1990EP0348565A1 Polymers comprising alkali-insoluble core/alkali-soluble shell and compositions thereof
12/1989
12/26/1989US4889878 Self-leveling, moisture curable polysiloxanes; fillers, diamidovinyl silanes, aminoxysilanes
12/13/1989CN1006060B Superlight ceramsites and their compounding process
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