| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 106772000 | Calcium sulfate (e.g., gypsum, anhydrite, plaster of Paris, etc.) | 54 |
| 20090308284 | System and Method for the Production of Alpha Type Gypsum Using Heat Recovery - The present invention relates to a system and associated method for the production of gypsum in manufacturing plant. More specifically, the invention relates to the production of alpha-type gypsum in a gypsum board manufacturing plant. The system yields increased efficiencies by capturing heat given off during processing steps and using that heat to reduce the energy needed for calcination. The invention finds particular application in the production alpha-type gypsum. The present invention is described in greater detail hereinafter in conjunction with the following specific embodiments. | 12-17-2009 |
| 20100242806 | Photocatalytically activated structural components composed of a matrix bound with a mineral binder, as well as method for production of the structural components - A structural component on the basis of a mineral, crystalline binder matrix composed of hardened cement and/or construction lime and/or gypsum, wherein the matrix can have aggregates and/or additives and/or admixtures, forms a surface that receives light, in its usability or use, on which surface photocatalytically active particles are situated. The particles are situated and fixed in place only on the surface of the structural component. The remainder of the structural component body does not have the particles. A method for production of the structural components is also provided. | 09-30-2010 |
| 20100326327 | ENVIRONMENTALLY-FRIENDLY CEMENTITIOUS ARTICLES, FORMULATIONS, METHODS OF MAKING AND USES - Described herein is a cementitious article and a method of making using a water-based manufacturing system that incorporates a closed-loop or partially closed loop water recycling system and an alkali removal process. The system, as such is environmentally friendly, saves resources, such as water and other raw materials, and reduces waste disposal. The system further provides for a cementitious article having a low alkali content. Articles prepared by one or more processes described herein have characteristics that include a low apparent density, high strength and high freeze-thaw performance as compared with an article of the same general formulation but made from a comparative manufacturing system that does not include an alkali removal process. Articles described herein are suitable for use as building products, such as siding, the underlayment panel, board, trim, fascia, roofing, decking, and fence. | 12-30-2010 |
| 20110011311 | CALCIUM SULFATE HEMIHYDRATE TREATMENT PROCESS - A process for treating beta calcium sulfate hemihydrate is disclosed. The process comprises exposing beta calcium sulfate hemihydrate to steam at a pressure above atmospheric pressure. | 01-20-2011 |
| 20110168061 | METHOD AND SYSTEM FOR THE PRODUCTION OF HARD PLASTER - The invention relates to a method for the production of hard plaster made from calcined beta hemihydrate plaster, comprising adding of plaster material mainly consisting of beta hemihydrate plaster to a post reactor ( | 07-14-2011 |
| 20110247526 | Process for Reducing the Set Time of a Settable Slurry - A process for reducing the set time a plaster slurry. The process comprises the steps of providing a pre-determined amount of water, providing a pre-determined amount of the plaster, mixing the water and the plaster together at a first time to form a slurry, and, re-directing a portion of the slurry formed at the first time to combine with slurry formed at a second time. | 10-13-2011 |
| 20120060723 | PROCESS AND DEVICE FOR STABILISING, COOLING AND DEHUMIDIFYING GYPSUM PLASTER - In a process for the continuous conditioning of gypsum plaster, the gypsum plaster is passed from a calcination facility connected upstream to a gypsum plaster cooler in the form of particles. In the gypsum plaster cooler, soluble calcium sulphate anhydrite is initially converted to calcium sulphate hemi-hydrate and calcium sulphate dihydrate to calcium sulphate hemi-hydrate, and crystal defects are eliminated. Subsequently, the gypsum plaster is brought into contact with ambient air and dehumidified by the latter and thereby simultaneously cooled indirectly. | 03-15-2012 |
| 20130092055 | METHOD AND SYSTEM FOR STUCCO CONDITIONING - A process and system for manufacturing gypsum wallboard that aerates, conditions, and cools a portion of the stucco used in the manufacturing process. This conditioning of the stucco reduces the amount of water needed to manufacture the gypsum wallboard which in turn reduces the amount of energy and cost needed to manufacture the wallboard. The stucco may also be pretreated with water. This process may be carried out using a conveyor that agitates a moving bed of stucco while the top surface of the bed is subject to a low pressure water spray. | 04-18-2013 |
| 20130220182 | MANNER OF OBTAINMENT OF BINDING AGENT FOR MASS FOR PRODUCTION OF SHAPED CONSTRUCTION ELEMENTS AND BINDING AGENT FOR MASS FOR PRODUCTION OF SHAPED CONSTRUCTION ELEMENTS - The invention solves the problem of obtainment of binding agent for mass of shape constriction elements, consisting of the fact, that preferably calcium sulfate, preferably calcium oxide, preferably zinc oxide, are initially mixed in mechanical mixer, and after thorough mixing, the obtained dry mass shall be subjected to the effects of ultrasonic stationary wave. The binding agent for mass for production of shaped construction elements, in accordance with the invention, consists of 65-86% of weight, preferably of calcium sulfate, 15-35% of weight, preferably of calcium oxide and 0.1-0.7% of weight, preferably of zinc oxide. | 08-29-2013 |
| 20140345497 | GRINDING PROCESS AND UNIT, AND CORRESPONDING PRODUCTION PROCESS OF A HYDRAULIC BINDER - A grinding process, in a grinding unit including a first shop including a first mill and a first separator, an outlet from the first mill being connected to an inlet of the first separator; a second shop including a second separator and a second mill, an outlet from the second separator being connected to an inlet of the second mill; the second separator being fed by the material coming from the first separator, wherein the first separator is operated at a tangential speed of 15 to 25 m/s and a radial speed of 3.5 to 5 m/s; and the second separator is operated at a tangential speed of 20 to 50 m/s and a radial speed of 2.5 to 4 m/s. | 11-27-2014 |
| 20150114268 | SYNTHESIS AND USE OF GYPSUM SEEDING MATERIAL - The invention relates to a process for producing calcium sulphate dihydrate by reacting a water-soluble calcium compound with a water-soluble sulphate compound in the presence of water and a polymer containing acid groups, wherein the polymer containing acid groups comprises specific polyether groups. Additionally disclosed are calcium sulphate dihydrate producible by the process according to the invention, and the use thereof for production of gypsum plasterboard. | 04-30-2015 |
| 106773000 | Soil, diatomaceous earth, clay, slate or shale containing, or material for treating soil or earth (e.g., soil stabilization, etc.) | 1 |
| 20080196630 | ADHESIVE GROUND FORMULA FOR WATERCOLOR SURFACES - This invention relates to a novel process and composition for treating the surface of an ABS or other polymer sheet so that it will accept watercolor paints. More particularly, this invention involves using a series of adhesive ground compounds to modify the surface of the ABS polymer or other sheet so that it becomes water absorbent to a certain degree. A method of treating the surface of a polymer so that it is acceptable for watercolor pigments comprising: (a) roughening the surface of the polymer; (b) applying a layer of a mixture of soft gel gloss and kaolin clay to the roughened surface and allowing it to dry; (c) applying a second layer of soft gel gloss and kaolin clay mixture to the first layer of soft gel gloss and kaolin clay mixture and allowing it to dry; and (d) applying a layer of absorbent watercolor ground to the kaolin clay layer. | 08-21-2008 |
| 106775000 | Anhydrous calcium sulfate (e.g., anhydrite, etc.) | 4 |
| 20140261091 | PLASTER PATCHING COMPOSITIONS AND METHODS FOR MAKING AND USING SAME - Provided are plaster patching compositions including lime, sand, perlite and gypsum. Also provided are methods of making and using the compositions to reproduce, preserve, and/or repair plaster, for example, historic plaster. | 09-18-2014 |
| 106776000 | Organic material or slag containing | 3 |
| 20090293772 | METHOD FOR STABILISING SOLUBLE METASTABLE SOLUBLE ANHYDRITE III, METHOD FOR PREPARING STABILISED SOLUBLE ANHYDRITE III HYDRAULIC BINDER, THE OBTAINED HYDRAULIC BINDER, USE OF THIS BINDER AND INDUSTRIAL FACILITY FOR CARRYING OUT SUCH A METHOD - The invention relates to a method for stabilising a metastable soluble anhydrite III, to a method for producing a hydraulic binder based thereon, to the thus obtainable hydraulic binder, to a method for the use thereof in the cement industry and to an industrial plant for carrying out the inventive method. The method consists in stabilising a metastable soluble anhydrite III by mechanically stressing the particles thereof in such a way the crystal structure of the particles is modified and the metastable phase thereof is stabilised. Said invention makes it possible to stabilise the metastable soluble anhydrite III particles without using current steps for heating and quenching said particles. | 12-03-2009 |
| 20130008353 | Low Heat of Hydration Cement Compositions and Methods of Using Same - A method of servicing a wellbore in a subterranean formation, comprising preparing a cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof, and placing the cement composition in the wellbore. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag, vitrified shale, calcium sulfate hemi-hydrate or combinations thereof. A cement composition comprising water and a cementitious material, wherein the cementitious material further comprises blast furnace slag. | 01-10-2013 |
| 20150027348 | ANTI-FILMING SURFACE-ACTIVE AGENT - The invention relates to an anti-filming surface-active admixture for hydraulic binders, including at least one fatty alcohol and at least one oil, to the method for preparing same, and to a method for preparing a hydraulic binder composition suitable for the manufacture of screeds or concretes, comprising the step of adding, to the hydraulic binder composition, the admixture according to the invention in a metered amount of 0.1 to 5 wt % with respect to the weight of the hydraulic binder. | 01-29-2015 |
| 106778000 | With organic material | 25 |
| 20080223260 | Soil-Solidifying Agent - To provide a neutral solidifying agent with excellent water resistance and strength and without adverse environmental effects as a soil-solidifying agent. A soil-solidifying agent including as an active ingredient, neutral anhydrous magnesium oxysulfate prepared by adding 1 mole of concentrated sulfuric acid to 3 to 5 moles of magnesium oxide while stirring for a reaction at a reaction temperature of 105° C. or higher. | 09-18-2008 |
| 20080229981 | PROCESS FOR MANUFACTURING READY-MIXED SETTING ALPHA-CALCIUM SULPHATE HEMI-HYDRATE AND KIT FOR SAME - A process for making calcined gypsum in slurry or powder form. The process includes adding at least two types of crystal modifiers to the slurry. The first crystal modifier is to control crystal morphology of the calcined gypsum (such as succinic and/or malic acid). The second crystal modifier is to prevent or retard setting to control set time (such as tetrasodium pyrophosphate (TSPP)) to form a water stable product. An accelerator is typically added at the site of use for specific applications such as setting type joint compound, media casting, exterior/interior coating, and sprayable fireproofing. A composition made by the process and a kit for using the composition are also disclosed. | 09-25-2008 |
| 20090007822 | Electrostatically-Applicable, Heat-Fusable Powder Coatings and Additives - Coatings for metal substrate surfaces comprise at least one film forming polymer is combined with microfine, substantially moisture-free cementitious particles. Preferred methods involve fusion bonded coating applications, wherein dry powder blends comprising polymer and the cementitious particles which preferably containing a corrosion inhibiting agent are electrostatically applied and heat-fused onto the metal. | 01-08-2009 |
| 20110209644 | Use of Cyclohexane Polycarboxylic Acid Derivatives For Removing Dust From Chemical Construction Products - The use of cyclohexanepolycarboxylic acid derivatives for reducing or minimizing the dust emission when handling pulverulent construction chemistry products, processes for the preparation of the pulverulent construction chemistry products and hydraulically setting materials containing the cyclohexanepolycarboxylic acid derivatives according to the invention are proposed. | 09-01-2011 |
| 20110265693 | Use Of Polyols And Cyclohexane Polycarboxylic Acid Derivatives For The Removal Of Dust From Chemical Construction Products - The use of a mixture of at least one polyol and at least one cyclohexanepolycarboxylic acid derivative for reducing or minimizing the dust emission when handling pulverulent construction chemistry products, processes for the preparation of the pulverulent construction chemistry products and hydraulically setting materials containing the mixture according to the invention are proposed. | 11-03-2011 |
| 20120090508 | METHOD FOR PRODUCING WET GYPSUM ACCELERATOR - The present invention relates to an improved method of preparing wet gypsum accelerator comprising the use of dry gypsum having a median particle size of about 20 microns or less. In addition, the present invention relates to a method of hydrating calcined gypsum to form an interlocking matrix of set gypsum comprising the use of the dry gypsum. Furthermore, the invention relates to wet gypsum accelerator and set gypsum-containing compositions and products prepared by the foregoing process and method. | 04-19-2012 |
| 20120103233 | BUILDING SEGMENT, IN PARTICULAR OF BOARD SHAPE AND THE METHOD OF MANUFACTURING THEREOF - Building segment, in particular of board shape, comprises of mixture of basic component with admixture, comprising of recycled material from textile fibres acquired by defibering process from hardly defiberable multi-composite textiles, which can be supplemented by recycled material from textile pulp acquired by the process of tyres recycling. Basic components advantageously comprises of plaster or polyurethane. During manufacturing of this building segment, textile waste is defibred to textile fibres, which are processed to required length and are homogenized into even layer, and then it is added to the mixture of basic component containing other components. | 05-03-2012 |
| 20120216722 | Aqueous Wax Emulsions Having Reduced Solids Content for Use in Gypsum Compositions and Building Products - Aqueous wax emulsions are disclosed herein for use in gypsum formulations and other building products which emulsions include water; a paraffinic hydrocarbon; a montan wax component; and a hydrocarbon component. Optional emulsion and strength additives may be included in the emulsion or in a slurry formed from such emulsion for preparing a settable gypsum composition herein. The hydrocarbon component is at least one hydrocarbon compound having from 5 to 20 carbon atoms or at least one hydrocarbon resin which is based on the at least one hydrocarbon compound as a monomer, wherein the resin is at least a dimer comprising the hydrocarbon compound and the resin has a molecular weight (Mw) of no greater than about 3,000, wherein the hydrocarbon compound is saturated or unsaturated, functionalized or nonfunctionalized and is aliphatic, alicyclic, or aromatic, wherein the hydrocarbon component has a softening point of from about 22° C. to about 110° C. | 08-30-2012 |
| 20120255464 | POLYELECTROLYTIC FLOW AGENT - The invention provides compositions containing a salt formed from an acid and from a base, wherein the acid is defined as a polycondensation product containing (I) at least one structural unit including an aromatic or heteroaromatic and a polyether side chain, and (II) at least one phosphated structural unit including an aromatic or heteroaromatic, and polyethyleneimine as base, wherein the molar mass of the polyethyleneimine is greater than 500 daltons. Likewise provided is a process for producing these compositions and building product mixtures comprising the invention compositions. The invention also provides for the use of the compositions as admixture agents, preferably as flow agents, for aqueous suspensions of binders based on calcium sulphate or for aqueous suspensions of (latently) hydraulic binders. | 10-11-2012 |
| 106779000 | Carbohydrate | 10 |
| 20090101045 | GYPSUM MIXTURES FOR FORMING SOLIDS - An example embodiment of a mixture to be employed in conjunction with water for preparing a slurry that hydrates to form a high strength flooring compound comprises about 50% to about 98% by weight calcium sulfate hemihydrate, about 0.002% to about 1% by weight polysaccharide, and about 0.02% to about 2.5% by weight of a lignosulfanate. | 04-23-2009 |
| 20110132235 | GYPSUM-CONTAINING PRODUCT AND GYPSUM BOARD - The invention provides a set gypsum-containing product having increased resistance to permanent deformation and a method for preparing it comprising forming a mixture of a calcium sulfate material, water, and an appropriate amount of one or more enhancing materials chosen from condensed phosphoric acids, each of which comprises 2 or more phosphoric acid units; and salts or ions of condensed phosphates, each of which comprises 2 or more phosphate units. The mixture is then maintained under conditions sufficient for the calcium sulfate material to form a set gypsum material. | 06-09-2011 |
| 20110308432 | METHODS OF AND SYSTEMS FOR ADDING A HIGH VISCOSITY GYPSUM ADDITIVE TO A POST-MIXER AQUEOUS DISPERSION OF CALCINED GYPSUM - Provided are methods and systems for introducing a wet gypsum accelerator or other high viscosity production additive to an aqueous dispersion of calcined gypsum in a discharge apparatus downstream of a stucco mixer in which the dispersion was prepared. These methods and systems are useful in the production of various gypsum products such as board including wallboard and ceiling tiles. | 12-22-2011 |
| 20130186305 | Use of Carboxymethyl Chitosans as Additives in Agglomerating Compositions - The present invention belongs to the field of binder compositions for construction, more specifically it relates to the use of carboxymethylchitosan as flocculating additive and setting accelerator in binder compositions of the cement, cement mortar, concrete, grout, stucco and similar type. The invention also relates to binder compositions comprising carboxymethylchitosan, as well as to the method for their preparation. | 07-25-2013 |
| 106780000 | Cellulose (e.g., wood, cork, bark, etc.) | 6 |
| 20080210136 | Jointing and Surface Compound for Construction Elements, Its Preparation Process and Building Process of a Structure - The object of the invention is a drying compound comprising from 50 to 85% of FGD gypsum and/or natural or processed gypsum, in mass percentages based on the total mass of the compound, presenting the following particle size characteristics: (i) a d | 09-04-2008 |
| 20080250982 | High Resistance Gypsum Parts and Preparation Method to Obtain These Parts - The preparation of gypsum parts (dihydrate calcium sulfate) with high mechanical resistance is obtained with the aid of water layers with nanometric thickness. Calcium sulfate is used, dihydrate as well as hemihydrate, to obtain parts from these two materials, pure or mixed, especially to use in construction work, where the parts are prepared by compressing their slightly humidified powders. | 10-16-2008 |
| 20090178591 | Carbohydrate-gypsum composite - A carbohydrate-gypsum composite for use as a bonding agent in manufacturing gypsum construction materials is disclosed. The composite includes a carbohydrate substituted with sulfate moieties such as cellulose sulfate and a crystalline calcium sulfate dihydrate. The composite may be used in bonding paper cover sheets to a gypsum core to form a gypsum wallboard. Also disclosed are methods of making the composite and methods of making gypsum wallboard with the composite. | 07-16-2009 |
| 20110113989 | METHYLHYDROXYPROPYLCELLULOSE (MHCP) FOR MINERAL-BOUND BUILDING MATERIAL SYSTEMS - The present invention relates to the preparation of methylhydroxypropylcellulose (MHPC) and the use thereof in mineral-bound building material systems, preferably in gypsum-bound building material systems, particularly preferably in gypsum machine plaster. | 05-19-2011 |
| 20120024199 | POLYSACCHARIDE DERIVATIVES HAVING AN ADJUSTED PARTICLE MORPHOLOGY FOR HYDROLYTICALLY SETTING COMPOSITIONS - The present invention relates to polysaccharide derivatives having an adjusted particle morphology for use in the preparation of a hydrolytically setting composition having an adjusted lump rating. The invention further relates to a method of adjusting the lump rating of a hydrolytically setting composition comprising adjusting the particle morphology of a particulate polysaccharide derivative. Furthermore, the invention is directed to a hydrolytically setting composition comprising a particulate polysaccharide derivative having an adjusted particle morphology. The invention is also directed to various uses of the particulate polysaccharide derivative having an adjusted particle morphology. | 02-02-2012 |
| 20120160132 | CELLULOSE ETHER SUITABLE FOR THE EXTRUSION OF CEMENT BOUND ARTICLES WITH IMPROVED PROPERTIES - The present invention relates to an extrudable hydraulic or non-hydraulic binding composition with improved properties with respect to crack formation and a method of making such a composition. The invention further relates to a method of decreasing or avoiding the formation of cracks of an extruded hydraulic or non-hydraulic binding composition and to a method of making an extruded article having less or no cracks. Furthermore, the invention is directed to a cellulose ether providing an extrudable hydraulic or non-hydraulic binding composition with improved properties with respect to crack formation. | 06-28-2012 |
| 106781000 | Silicon, sulfur, nitrogen or phosphorus containing organic material | 6 |
| 20110203487 | POWDER TO HYDROPHOBISE AND ITS USE - The present invention relates to the use of a solid comprising at least one organosilane and a carrier material to hydrophobise mortars, wherein the organosilane has the formula R | 08-25-2011 |
| 20130174760 | DEFOAMER COMPOSITIONS FOR BUILDING-PRODUCT MIXTURES - The present application relates to compositions comprising at least one siloxane and at least one superplasticizer based on polycarboxylate ethers or sulphonates of lignin, melamine or naphthalene or of resins thereof, and to the use of such compositions as or in building-product mixtures or building products, especially mortar mixtures or concrete mixtures. | 07-11-2013 |
| 20130199418 | DRIED GYPSUM COMPOSITION AND GYPSUM-BASED COATING - Disclosed is a dry gypsum composition containing hemihydrate gypsum, at least one pigment and a crystal habit modifier. The crystal habit modifier is at least one compound selected from the group consisting of sulfate salts, carboxylate salts, carbonate salts and inorganic chlorides, and a content of the at least one compound is in a range of 0.1 to 5 parts by mass per 100 parts by mass of the hemihydrate gypsum, whereby upon hydration of the hemihydrate gypsum into dihydrate gypsum, the dihydrate gypsum is controlled to become plate crystals having an aspect ratio of 1 to 9. A gypsum-based coating formulation making use of the dry gypsum composition is also disclosed. | 08-08-2013 |
| 20130276673 | PLASTER-BASED MATERIAL INCLUDING AN AGENT CAPABLE OF TRAPPING FORMALDEHYDE - The present invention relates to a plaster-based material which includes an agent capable of trapping formaldehyde, in particular a plasterboard intended for the interior fittings of residential buildings. | 10-24-2013 |
| 20140069301 | ORGANOSILICONATE POWDERS, METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF FOR HYDROPHOBIZING MINERAL BUILDING MATERIALS - Solid alkali metal salts of organosilanols and/or their hydrolysis/condensation products are prepared by hydrolysis of organosilanes in water and in the presence of a basic alkali metal salt. The products contain predominately methyl and ethyl organic groups, and C | 03-13-2014 |
| 20140230698 | PROCESS FOR THE BODY-HYDROPHOBIZATION OF BUILDING MATERIALS COMPRISING SOLID ORGANOSILICON COMPOUNDS - Body-hydrophobing of mineral building compositions prepared from water curable mineral materials such as cement and plaster are obtained by admixing into the curable composition an organosilicon compound prepared by reacting a hydrocarbylhalosilane or hydrocarbylhydrocarbyloxysilane with a gylcol or polyglycol in a mol ratio of halo or hydrocarbyloxy radicals to hydroxyl radicals of 0.3 to 1.3. The organosilicon compounds are solid at 20° C. | 08-21-2014 |
| 106782000 | Slag, cinder, mica, talc, glass, boron or elemental carbon containing | 2 |
| 20100154681 | METHOD FOR MANUFACTURING BIOMEDICAL BONE FILLER WITH CONCRETE CHARACTERISTIC - A method for manufacturing a biomedical bone filler includes the steps of: mixing different size of granule and slag of hemihydrate calcium sulfate with particles of hemihydrate calcium sulfate at a predetermined particle ratio and powders/water ratio; and hardening the composite material by controlling relative humidity and temperature during the hydrated hardening process so as to increase the hardness of the bone filler. | 06-24-2010 |
| 20130269573 | ULTRA-RAPID HARDENING HYDRAULIC BINDER USING REDUCED SLAG POWDER, AND METHOD OF PREPARING THE SAME - Provided are an ultra-rapid hardening hydraulic binder including reduced slag powder and a method of preparing the same. The reduced slag powder is prepared by rapidly cooling molten electric arc furnace reduced slag, among by-products generated during an iron refinement process in a steel mill, to room temperature not to have free-calcium oxide by scattering the molten electric arc furnace reduced slag into the air using high-pressure gas by dropping the molten electric arc furnace reduced slag through a tundish. | 10-17-2013 |
| 106783000 | Layered or coated material, nominal molding or shaping, or other physical process (e.g., steam, electrical, magnetic or wave energy, manipulative steps, etc.) | 2 |
| 20090078162 | Gypsum-based Composition - A light-weight gypsum-based composition is provided which is particularly suitable for use in the production of wall panels. The composition comprises: (i) gypsum; (ii) glass, ceramic or polymer microspheres; and (iii) a coupling agent preferably selected from a silane or metal coupling agent. The resultant panel has good strength properties and has good performance with respect to nailability and cutability. Further, the paper backing commonly used on traditional commercial drywall panels can be optionally eliminated. The composition can also be cast into thicker products. A lightweight wall panel material is provided. | 03-26-2009 |
| 20140283712 | METHOD FOR PRODUCING TERNESITE-BELITE CALCIUM SULFOALUMINATE CLINKER - The present invention relates to the production of a ternesite-belite-calcium sulfoaluminate (ferrite) clinker. The invention also relates to the use of alternative raw materials for clinker production, for example raw materials based on industrial byproducts, including those of low quality, such as lump slag and ash having a low glass content and/or a high free lime content and/or a high content of crystalline high-temperature phases, as well as naturally occurring rocks and rock glasses of comparative chemical composition. | 09-25-2014 |
| 106784000 | Particle size specified | 5 |
| 20090301356 | METHOD OF TREATING A PRECIPITATE COMPRISING IRON (II) SULFATE MONOHYDRATE, A PLANT, GRANULAR MATERIAL AND ITS USES - The invention relates to a method of controlling the solubility of granular material by treating a precipitate comprising iron(II)sulphate monohydrate originating from titanium dioxide production, in which method the reaction temperature is allowed to increase at the most to a temperature of 120° C., to a plant for treating a precipitate comprising iron(II)sulphate monohydrate, to a product and its uses. A typical method according to the invention comprises the steps of mixing water to the reaction mixture in the said mixing apparatus, and keeping the amount of neutralizing agent sufficient to give a pH value from 1.5 to 4, preferably from 1.5 to 3, to the end product in order to obtain a granular material having a high soluble iron(II) content or keeping the amount of neutralizing agent sufficient to give a pH value ≧9 to the end product in order to obtain a granular material having a low solubility. | 12-10-2009 |
| 20100095874 | METHOD FOR MANUFACTURING MINERAL BUILDING MATERIALS VIA BINDING AGENT SUSPENSIONS - The object of the invention is a method for the production of mineral materials using bonding agents suspended in water, wherein the water is exposed to electromagnetic fields, including magnetic fields and/or electrical fields, and the suspension is exposed to a suspension mixer. | 04-22-2010 |
| 20120031308 | Cement Mortar Body - The invention relates to a cement mortar body ( | 02-09-2012 |
| 20120160133 | SET ACCELERATOR FOR GYPSUM HYDRATION - In a first embodiment of the invention, aged brushite is combined with calcium sulfate hemihydrate and water to make a gypsum slurry. Aged brushite slurry behaves similarly to calcium sulfate dihydrate to act as a seed crystal and rapidly initiate crystallization. The brushite slurry does not require the addition of a coating to maintain its activity over time compared to calcium sulfate dihydrate set accelerators. A gypsum-based product made using brushite slurry as the set accelerator is a second embodiment. The product has the brushite molecules integrated as part of the calcium sulfate dihydrate matrix and is distributed throughout the matrix. | 06-28-2012 |
| 20150307397 | COMPOSITION FOR PLASTERBOARDS AND PRODUCTS OBTAINED - The invention relates to a plaster-based composition comprising nanometric boehmite and/or nanometric aluminium trihydroxide, this composition making it possible to obtain products having better dimensional stability at high and in particular at very high temperature. The invention also relates to the method of obtaining the products, and the products produced. | 10-29-2015 |
| 106786000 | Byproduct gypsum (e.g., phosphogypsum, etc.) | 2 |
| 20090050025 | Use of Encapsulated Water Soluble Material as a Construction Material - The use of water soluble product in construction that is at least partially encapsulated by a water resistant membrane layer, particularly, the use of phosphogypsum, preferably leached phosphogypsum, that is at least partially encapsulated by a geomembrane layer, thus enabling the use of phosphogypsum as a construction material. | 02-26-2009 |
| 20130074738 | POLYMERIC CONSTRUCTION MATERIAL ON THE BASIS OF FLOTATION WASTE FROM COPPER ORE FLOTATION AND WASTE SULFUR - The method of production of polymeric construction material from flotation waste originating from copper ore flotation and waste sulfur is described. The method includes mixing of 20-50% by weight of waste sulfur which is combined with 10-50% by weight of flotation waste from flotation of copper ore and 3-25% by weight of waste phosphogypsum as pH regulator. Finally, 10-40% by weight of mineral filler is added. The mixing occurs at a temperature of 130-150 degrees Celsius and the mixing lasts for about 30 minutes with rotational speed of an agitator of 20 rpm. | 03-28-2013 |
| 106788000 | Silica containing (e.g., sand, quartz, etc.) | 2 |
| 20140060391 | SHRINKAGE-COMPENSATING CONCRETE - A shrinkage compensating concrete does not require restraint. The expansive forces developed during hydration compensate for concrete shrinkage, obviating the need for any added internal or external restraint element. Using this new shrinkage compensating concrete, substantially crack-free slabs may be built without using restraining steel bars, fibers, or other separate restraining element. The shrinkage compensating concrete includes a cement that develops internal expansive forces that never exceed the tensile strength of the concrete, such that the internal expansion compensates for the concrete shrinkage. The expansive cement may be an ASTMS, M or S cement, or other expansive cements may also be used. | 03-06-2014 |
| 20160052825 | SHRINKAGE-COMPENSATING CONCRETE - A shrinkage compensating concrete does not require restraint. The expansive forces developed during hydration compensate for concrete shrinkage, obviating the need for any added internal or external restraint element. Using this new shrinkage compensating concrete, substantially crack-free slabs may be built without using restraining steel bars, fibers, or other separate restraining element. The shrinkage compensating concrete includes a cement that develops internal expansive forces that never exceed the tensile strength of the concrete, such that the internal expansion compensates for the concrete shrinkage. The expansive cement may be an ASTMS, M or S cement, or other expansive cements may also be used. | 02-25-2016 |
