| Patents for C04B 28 - Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements (36,226) |
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| 05/02/1991 | WO1991005746A1 Method for preparing a mortar of lime and sand, sand-lime bricks produced thereof and apparatus for the preparation of the mortar |
| 05/02/1991 | EP0425139A1 Lightweight tundish refractory compositions |
| 05/02/1991 | EP0425086A1 Composition and method for manufacturing steel-containment equipment |
| 05/02/1991 | EP0424446A1 Compositions and method for renewing a floor |
| 05/02/1991 | DE4035268A1 Remote controlled heating tubes with water-tight foam coating - by using inclined two part mould into which foam is fed followed by dip container for coating foam with silicate binder layer |
| 05/02/1991 | DE4033823A1 Additive mixt. for concrete layer - compacted by roller contg. hydrolysable tannin cpd. |
| 05/01/1991 | WO1991006514A1 Method for production of construction articles; technological line; method and device for burning; mixture; construction article |
| 05/01/1991 | CN1051033A Non-burning antifire light profile and its production method |
| 05/01/1991 | CN1051032A Rapid hardening agent of concrete |
| 05/01/1991 | CA2071519A1 Process for making building products, production line, process for firing, apparatus for firing, batch, building product |
| 04/30/1991 | CA1283666C Method for the preparation of a light and insulating concrete, and concrete thus prepared |
| 04/24/1991 | EP0423107A1 Method for producing hardened cement mineral material, especially concrete. |
| 04/23/1991 | US5010124 Flowability improving agent, process for the production thereof and use thereof |
| 04/23/1991 | US5009269 Well cement fluid loss additive and method |
| 04/18/1991 | WO1991004953A1 Cement matrix and process for its production |
| 04/18/1991 | DE3933615A1 Concrete contg. expanded polystyrene and alkaline fibres |
| 04/17/1991 | EP0422741A1 Method for preparing a mortar of lime and sand, sand-lime bricks produced thereof and apparatus for the preparation of the mortar of lime and sand |
| 04/17/1991 | EP0422390A1 Use of fluidized bed combustion ashes for making floor cement |
| 04/17/1991 | EP0422222A1 Dispersing agent and cement admixture |
| 04/17/1991 | EP0422174A1 Reinforcing and/or process fibres based on vegetable fibres, process for producing them and their use. |
| 04/16/1991 | US5008021 Conversion in the presence of a strong alkali; forming cementitious product with polyvalent metal ion |
| 04/16/1991 | US5007965 Material for treating heavy metals and metal ions |
| 04/13/1991 | WO1991005744A1 Gypsum-containing fire-resistant structural fiberboard |
| 04/11/1991 | WO1991005586A1 Treatment of hazardous waste material |
| 04/11/1991 | CA2042599A1 Treatment of hazardous waste material |
| 04/10/1991 | CN1050533A Non-steaming silicate brick and its producing method |
| 04/09/1991 | US5006498 Clay, portland cement and zeolite; heat treatment |
| 04/09/1991 | US5006177 Sodium silicate, sodium chloride with lignosulfonate and borax or citric acid to control setting |
| 04/09/1991 | US5006176 Coagulant for soil and/or sand method for preventing washout using the same |
| 04/09/1991 | US5005646 Well completion using formate ester |
| 04/04/1991 | WO1991004225A1 Composite primary particle of noncrystalline silica, composite secondary particle of noncrystalline silica, shaped form thereof and production thereof |
| 04/03/1991 | EP0419785A2 Polystyrene concrete for precast concrete units |
| 04/02/1991 | US5004505 Magnesium oxychloride cement compositions and methods for manufacture and use |
| 04/02/1991 | US5004039 Refractory material |
| 03/28/1991 | DE3931045C1 Producing hydraulic binder - from mixt. of coal fly ash and hot meal, from cement prodn. |
| 03/27/1991 | EP0419449A1 Water resistant sorel cement compositions |
| 03/27/1991 | CN1050174A Fressurizing-steamed sand-lime tile |
| 03/27/1991 | CN1050173A Alkaline dregs and powder coal ash bricks exempted from firing |
| 03/27/1991 | CN1012190B Wellbore cementing process using polymer gel |
| 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 | US5002610 Process for making reinforced magnesium phosphate fast-setting cements |
| 03/21/1991 | WO1991003438A1 Material and method to manufacture light weight roof tiles |
| 03/21/1991 | WO1991003437A1 Stabilised-viscosity adhesive agent and mortar additive and process for making it |
| 03/20/1991 | EP0418108A1 Process for and products obtained by mixing cement and reinforcing fibers |
| 03/20/1991 | EP0418021A2 Composition and method for hardening an aqueous alkali metal silicate solution |
| 03/20/1991 | EP0417898A1 Gunning composition |
| 03/20/1991 | EP0417583A2 Inorganic shaped body |
| 03/20/1991 | EP0417582A2 Process for the manufacture of open-celled foam essentially of inorganic constituents |
| 03/20/1991 | EP0417418A1 Ready-mix mortar |
| 03/20/1991 | EP0417179A1 Air-entraining adjuvant containing blood plasma as a replacement for a synthetic colloid, and products obtained. |
| 03/20/1991 | EP0417102A1 Compositions of no mix compounds and methods of applying same |
| 03/20/1991 | EP0380525A4 Magnesium cement composition with particulate fibrous material |
| 03/20/1991 | CN1012060B Method for producing high strenth waterproof alumina cement |
| 03/19/1991 | US5000793 Method of manufacturing a building element based on a hydraulic binder, an element thus obtained, and a building method using such elements |
| 03/19/1991 | US4999959 Prestressed construction element of composite structure and method for element fabrication |
| 03/15/1991 | WO1991004291A1 Compositions comprising a phenolic resin and cement |
| 03/15/1991 | CA2060317A1 Compositions comprising a phenolic resin and cement |
| 03/13/1991 | EP0417064A2 Building element, process for its fabrication, mixture as well as cement for the fabrication of this mixture and this element |
| 03/13/1991 | EP0416378A1 Corrosion inhibiting hydraulic cement additives and compositions containing same |
| 03/13/1991 | EP0416134A1 Cement hardening accelerator and its production |
| 03/12/1991 | US4999066 Process for bonding tiles to substrate using magnesium phosphate comprising activator prepared by mixing inert porous material with liquid P2 O5 material |
| 03/12/1991 | US4999056 Mixture of portland cement, silica powder, plasticized concrete |
| 03/07/1991 | WO1991002858A1 Formwork system |
| 03/07/1991 | DE3929221A1 Flue gas desulphurisation gypsum-based hydraulic binder - contg. metallurgical by-products and opt. lime |
| 03/07/1991 | CA2024695A1 Cement and reinforcing fibre mixture, process for making such mixture and articles thereof |
| 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 | CN1011891B Artificial marble and its prodn. method |
| 03/05/1991 | US4997694 Gelation of calcium carbonate, potassium and sodium silicates and chlorides: heating to intumescence |
| 03/05/1991 | US4997487 Pumpable slurry |
| 03/05/1991 | US4997484 Fly ash, citric acid, alkali metal compound |
| 03/01/1991 | CA2024045A1 Sealant for concrete or cinder block walls |
| 02/28/1991 | DE3927927A1 Fibre-reinforced gypsum article prodn. e.g. for fibre board - by moulding autoclave-treated slurry of di:hydrate and fibres |
| 02/27/1991 | EP0414307A1 Process and plant for processing environmentally harmful waste for storing in a dumping area in the from of hardened blocks provided with markings and hardened blocks containing environmentally harmful waste and being provided with markings |
| 02/27/1991 | EP0414303A1 Method for rendering toxic and harmful dust residues produced by thermal destruction processes inert |
| 02/27/1991 | EP0414252A2 Open-pore shaped article, its production and use |
| 02/27/1991 | EP0414244A2 Sealant mortar for spayed asbestos-cement coatings |
| 02/27/1991 | EP0191823B1 Fire barrier plywoods |
| 02/27/1991 | CN1049490A Method for making bricks without baking from industrial waste slag and related binder |
| 02/26/1991 | US4996084 Colloidal silica water based slurry system for investment casting shell backup coats |
| 02/26/1991 | CA1280584C Compositions and method for neutralization and solidification of hazardous acid spills |
| 02/26/1991 | CA1280558C Composition to encapsulate toxic metal and/or organic pollutants from wastes |
| 02/22/1991 | CA2023494A1 Process and plant for processing environmentally harmful waste for storing in a dumping area in the form of hardened blocks provided with markings |
| 02/21/1991 | WO1991002031A1 Method for preparing a synthetic resin |
| 02/21/1991 | WO1991001951A1 Method for preparing a resin concrete |
| 02/20/1991 | EP0413072A1 Process for protecting concrete against freezing and thawing effects |
| 02/20/1991 | CN1049325A High-strength cement having non-burning ceramic character and its production method |
| 02/19/1991 | US4994114 Method for selecting a pozzolan intended to be incorporated into a composite material comprising cement and glass |
| 02/19/1991 | US4994113 Mixture for the preparation of building materials |
| 02/18/1991 | CA2007027A1 Method to protect concrete against freezing and thauring |
| 02/13/1991 | EP0412913A1 Injection grout for consolidating cracked structures |
| 02/13/1991 | CN1049147A Making method of bathtub |
| 02/12/1991 | US4992397 Low thermal conductivity, high strength refractory castable composition with high abrasion resistance |
| 02/12/1991 | US4992103 Cementitious compositions |
| 02/12/1991 | US4992102 Synthetic class C fly ash and use thereof as partial cement replacement in general purpose concrete |
| 02/12/1991 | CA2022981A1 Cracked structures consolidation grouting |
| 02/06/1991 | EP0411583A1 Autogenously air-setting mortar |
| 02/06/1991 | EP0411198A1 Absorber for electromagnetic and acoustic waves |
| 02/06/1991 | EP0272267B1 Method of preparing building materials |
| 02/06/1991 | EP0245326B1 Improvements relating to hydraulic binders |