Class / Patent application number | Description | Number of patent applications / Date published |
106692000 | Aluminous cement (e.g., high alumina, calcium aluminate, etc.) | 81 |
20080302277 | Additive for Dewaterable Slurry and Slurry Incorporating Same - A cementitious slurry comprising fly ash having a predominant particle size of up to about 10 microns, and/or aluminous material having a predominant particle size of up to about 150 microns. The additive acts as a water reduction agent and can replace either wholly or partially a conventional plasticiser. | 12-11-2008 |
20090078161 | METHODS OF MINIMIZING CONCRETE CRACKING AND SHRINKAGE - A method of reducing plastic shrinkage cracking in concrete compositions that includes a) combining 3-40 volume percent cement, 5-50 volume percent fine aggregate, 5-50 volume percent coarse aggregate, and 10-22 volume percent water to form a concrete mixture; b) during or after (a), adding 1.5-40 volume percent of prepuff particles to the concrete mixture to form a concrete composition; c) placing the concrete composition in a form; and d) allowing the concrete to set and harden to form a hardened concrete article substantially free of plastic shrinkage cracking. The prepuff particles have an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.02 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3. The concrete composition has a density of from about 40 to about 135 lb./ft | 03-26-2009 |
20090114126 | Extended Settable Compositions Comprising Cement Kiln Dust and Associated Methods - An embodiment of the present invention includes a method of cementing in a subterranean formation comprising: providing an extended settable composition comprising hydraulic cement, cement kiln dust, water, and a set retarding additive, wherein the extended settable composition is capable of remaining in a pumpable fluid state for at least about 1 day; adding a cement set accelerator to the extended settable composition; introducing the extended settable composition into a well bore; and allowing the extended settable composition to set. Another embodiment of the present invention includes a method of cementing in a subterranean formation comprising: providing an extended settable composition comprising hydraulic cement, cement kiln dust, water, and a set retarding additive; storing the extended settable composition; adding a cement set accelerator to the extended settable composition; introducing the extended settable composition into a well bore; and allowing the extended settable composition to set. | 05-07-2009 |
20090320720 | Settable Compositions Comprising Cement Kiln Dust and Swellable Particles - A variety of methods and compositions are disclosed herein, including, in one embodiment, a method comprising: introducing a settable composition into a subterranean formation, wherein the settable composition comprises: a cementitious component comprising a hydraulic cement and cement kiln dust; a swellable particle; and water; and allowing the settable composition to set in the subterranean formation. Another embodiment comprises a settable composition comprising: a cementitious component comprising a hydraulic cement and cement kiln dust, a swellable particle, and water. | 12-31-2009 |
20100095871 | Cement Compositions Comprising Sub-Micron Alumina and Associated Methods - Methods and compositions that comprise sub-micron alumina for accelerating setting of a cement composition. An embodiment includes a method of cementing in a subterranean formation. The method may comprise introducing a cement composition into the subterranean formation, wherein the cement composition comprises hydraulic cement, sub-micron alumina, and water. The method further may comprise allowing the cement composition to set in the subterranean formation. Another embodiment includes a cement composition that may comprise hydraulic cement, sub-micron alumina, and water. | 04-22-2010 |
20120204764 | Method for Wellbore Servicing to Enhance the Mechanical Strength of Cement Using Electrochemically Activated Water - A wellbore servicing method comprises converting a water into an electrochemically activated water, preparing a wellbore servicing composition comprising the electrochemically activated water, and placing the wellbore servicing composition in a wellbore. Also, cement composition comprises a cement and an electrochemically activated water. | 08-16-2012 |
20120216720 | Effective Approach to Preventing and Remedying Distresses in Soils and Construction Materials - Methods for preventing, reducing, or eliminating construction heave, expansion, distresses, and damage primarily caused by the formation of ettringite are disclosed including introducing fluoride ion releasing agent/salt(s), such as sodium fluoride, calcium fluoride, and potassium fluoride, to expansive soil layers or concrete structural elements and allowing the fluoride ion releasing agent/salt(s) at ambient temperature to react with formed ettringite and to prevent the formation of ettringite of the expansive soil layers or concrete structural elements. Other embodiments are described and claimed. | 08-30-2012 |
20120255462 | PROCESS FOR PRODUCING GEOPOLYMERS - The present invention relates to the production of geopolymers from oil shale and/or mineral residues, which originate from the production of oil by means of oil shale. To use the residues left in the combustion of oil shale for the production of geopolymers, the oil shale and/or also mineral residues, which originate from the production of oil by means of shale are burnt and subsequently ground, before they are mixed with an alkaline activator and water and cured. | 10-11-2012 |
20130098271 | DRY MORTAR MIXTURE - A dry mortar mixture based on at least one hydraulic and/or latently hydraulic binder which in the made-up and not yet cured state has firm properties is claimed. The novel dry mortar mixture is characterized in that it contains at least one representative of a dispersant and at least one compound having superabsorbent properties. This mixture makes it possible to carry over the advantages of known tile adhesives for horizontal application to vertical application possibilities. | 04-25-2013 |
20130220181 | Radial Coal Ash Based Micro-Architectures and Method of Synthesis - Microparticles having crystalline needle or rod-shaped structures of, for example, an ettringite mineral grown and attached radially from their surface. A method including nucleating and growing crystalline needles/rods from the surface of a particle in the presence of a solution of calcium, sulfur, and aluminum such as calcium sulfoaluminate, lime and calcium sulfate is described. One example is the radial growth of ettringite needles on the surface of fly ash particles in calcium sulfoaluminate-based cement paste and concrete. | 08-29-2013 |
20140096705 | PROCESS FOR TREATING FLY ASH AND A ROTARY MILL THEREFOR - A process for treating fly ash to activate the fly ash so that it may be used as a substitute for Portland cement, with the process including the use of a specialized rotary mill having variably sized and shaped media to increase the surface area of one fly ash component by grinding, avoiding milling a second fly ash component, while roughing up the surface of the second component to increase its surface area. | 04-10-2014 |
20140123879 | Settable Compositions Comprising Interground Perlite and Hydraulic Cement - Methods and compositions are disclosed that comprise interground perlite and hydraulic cement. An embodiment provides a composition comprising interground perlite and hydraulic cement. Another embodiment provides a composition comprising: interground unexpanded perlite and Portland cement, the interground having a mean particle size of about 0.5 microns to about 10 microns; and water. | 05-08-2014 |
20140202360 | FAST SETTING LOW PERMEABILITY CEMENT AND CONCRETE - A calcium sulfoaluminate-based concrete with a permeability of less than 1000 Coulombs. Rapid-setting low chloride-ion permeability calcium sulfoaluminate (CSA) cements and concretes include CSA and a suitable polymer such as a sol-gel derived, organic-inorganic, silica based hybrid coating solutions of polystyrene-butylacrylate polymers containing active silanol groups protected by hydroxyl groups containing polyalcohol, or other polymers. Such polymers may be added as powders or as liquid in the finish mill. Other rapid-setting low chloride-ion permeability (CSA) cements and concretes include CSA with selected particle size distributions, and do not require use of any polymer. These CSA cements and concretes have low chloride-ion permeability, high early strength, fast setting times, low-shrinkage, and high freeze-thaw resistance. | 07-24-2014 |
20140238274 | METHOD AND ADDITIVE FOR INCREASING EARLY STRENGTH - The present invention relates to a method for accelerating the hardening of hydraulic or latent hydraulic binders, wherein ternesite and an aluminum component are added to the binder, and relates to an additive that increasing early strength for hydraulic or latent hydraulic binders that contain ternesite and a non-hydraulically reactive aluminum component, and relates to the use of an additive comprising ternesite and an aluminum component for the purpose of accelerating the hardening of hydraulic or latent hydraulic binders. | 08-28-2014 |
20140338569 | Calcium Aluminate Cement - The present invention relates to a white calcium aluminate cement containing at least 90% by weight of monocalcium aluminate, an A/C value in the range of 1.75 to 2.0, a fineness according to Blaine in the range of 3500 to 6000 cm | 11-20-2014 |
20150321955 | RADIAL COAL ASH BASED MICRO-ARCHITECTURES AND METHOD OF SYNTHESIS - Microparticles having crystalline needle or rod-shaped structures of, for example, an ettringite mineral grown and attached radially from their surface. A method including nucleating and growing crystalline needles/rods from the surface of a particle in the presence of a solution of calcium, sulfur, and aluminum such as calcium sulfoaluminate, lime and calcium sulfate is described. One example is the radial growth of ettringite needles on the surface of fly ash particles in calcium sulfoaluminate-based cement paste and concrete. | 11-12-2015 |
20160031760 | USE OF COMPOUNDS CONTAINING ALUMINIUM OXIDE AND SILICON OXIDE FOR PRODUCING A HYDROPHILIC BUILDING PRODUCT - The use of a binder system comprising compounds containing aluminium oxide and silicon oxide for producing a hydrophilic building product, characterized in that the sum of the oxides calculated as Al | 02-04-2016 |
20160102016 | Method for Producing Cement - A method for producing calcium sulfoaluminate cement comprises the steps of providing thermal energy by combustion of sulphur and/or a sulphur-containing compound, reacting sulphur oxides produced by combustion of the sulphur and/or sulphur-containing compound with a mixture of calcium oxide and/or carbonate, and alumina and/or its hydrates to form a sulphur-containing mixture, heating the sulphur-containing mixture using the thermal energy to produce a clinker, and reacting remaining sulphur oxides produced by combustion of the sulphur and/or sulphur-containing compound with lime. The sulphur and/or sulphur-containing compound preferably comprises elemental sulphur, sour crude, sour gas or calcium sulfate. | 04-14-2016 |
20160107934 | INORGANIC ADMIXTURES FOR MITIGATING AGAINST CONVERSION PHENOMENA IN HIGH-ALUMINA CEMENTS - A manufacturing process of a cement product includes: (1) incorporating at least one additive into a high-alumina cement composition, wherein the at least one additive is selected from nitrate-containing salts, nitrite-containing salts, carbonate-containing salts, sulfate-containing salts, chloride-containing salts, and hydroxide-containing salts; and (2) curing the high-alumina cement composition to form the cement product. | 04-21-2016 |
20160122242 | PLANT AND METHOD FOR THE STABILIZATION AND INERTIZATION OF SLAG DERIVING FROM STEEL PRODUCTION PROCESSES IN STEELWORKS AND BLAST FURNACES - Method and plant for the stabilization and inertization of slag which is intended to obtain an inert and matured product based on slag deriving from steel production processes in steelworks or ferrous mineral treatment processes in blast furnaces. | 05-05-2016 |
106693000 | Cement clinker preparation | 18 |
20090064902 | GROUTING MATERIAL - A grouting material which comprises an ultrafine particle material having a maximum particle size of 15 micrometer or less, containing 3 to 40% by mass of cement clinker, 60 to 97% by mass of and blast-furnace slag, 0.5 to 3 parts by mass of gypsum in terms of SO | 03-12-2009 |
20090071377 | Binder for Refractory Concrete, Preparation for Refractory Concrete, Refractory Concrete and Method for Making Same - The present invention relates to a hydraulic binder for low-cement content concrete. The ground mineral portion of this cement comprises an under-calcinated alumina the BET specific surface of which ranges between 8 m | 03-19-2009 |
20100000446 | Process for Manufacturing Clinker with Controlled CO2 Emission - The invention relates to a process for manufacturing clinker from a raw mix, implementing the following: preheating of the raw mix by combustion flue gases; precalcination of the raw mix; and calcination of the precalcined raw mix in a rotary kiln, in which process the precalcination and the calcination in the rotary kiln produce combustion flue gases that contain CO | 01-07-2010 |
20100132590 | HIGH BELITE-CONTAINING SULFOALUMINOUS CLINKER, METHOD FOR THE PRODUCTION AND THE USE THEREOF FOR PREPARING HYDRAULIC BINDERS - A sulphoaluminate clinker includes as a phasic formulation, compared with the total weight of clinker: 5 to 25% of a calcium aluminoferrite phase with a formulation corresponding to the general formula C2AXF(1−X), with X comprised between 0.2 and 0.8; 15 to 35% of a calcium sulphoaluminate phase yee' limit (C4A3$); 40 to 75% belite (C2S); from 0.01 to 10% of one or several minor phases selected from the group consisting of calcium sulphates, alkali sulphates, perovskite, calcium aluminates, gehlenite, free lime and periclase, and/or a vitreous phase, and additives including at least sodium and boron present in the following quantities, by weight as compared to the total weight of the clinker: from 0.1 to 5% of sodium expressed as sodium oxide and from 0.2 to 3% of boron, expressed as boron oxide, the total content of said additives being less than or equal to 15%. | 06-03-2010 |
20100282131 | METHOD OF IMPROVING THE PRODUCT PROPERTIES OF CLINKER IN THE FIRING OF RAW MEAL - Method of improving the product properties of clinker in the firing of raw meal in a clinker or cement furnace in which at least part of the fuels used are low-heating-value or alternative fuels, waste products containing organic substances or low-heating-value or alternative fuels are subjected to thermal dissociation and reaction of the dissociation products using radiant energy. The product gas or synthesis gas formed in this way is fed to the burners of the main firing facility to increase the flame temperature. | 11-11-2010 |
20110041736 | ADDITIVES FOR CEMENT - A belite-calcium sulphoaluminate-ferrite (BCSAF) cement composition including: a BCSAF clinker which clinker has the following mineralogical composition, based on the total weight of the clinker: 5 to 25%, preferably 10 to 20%, of a calcium aluminoferrite phase having the general formula C | 02-24-2011 |
20110073013 | METHOD FOR MANUFACTURING A SULFOALUMINOUS OR BELITIC SULFOALUMINOUS CLINKER, AND CORRESPONDING EQUIPMENT - The invention relates to a method for manufacturing a sulfoaluminous or belitic sulfoaluminous clinker from a raw mix formed from a mixture including minerals containing calcium, aluminum, silica, iron, and sulfur, preferably in sulfate form, and is characterized in that the method comprises the steps including: at least partially dehydrating and decarbonating the mixture through placement in a vertical kiln ( | 03-31-2011 |
20110073014 | Gasification with Separate Calcination - A method and an apparatus for manufacturing of cement includes cement raw meal being preheated in a preheater, calcined in a calciner by contact with hot gases which are introduced into the calciner via a gas inlet and being diverted from the calciner via a gas outlet, and where calcined cement raw meal is diverted from the calciner, burned into cement clinker in a kiln and subsequently cooled in a clinker cooler. At least a portion of the calcined cement raw meal diverted from the calciner is heated further in a separate system to a temperature which exceeds the calcination temperature and is subsequently recirculated to the calciner. That at least a portion of the gases which are diverted via the gas outlet of the calciner is removed from the plant with a view to storage underground or other additional treatment. | 03-31-2011 |
20110308431 | SULFOALUMINOUS CLINKER AND METHOD FOR PREPARING SAME - The invention relates to a novel sulfoaluminous clinker, to a method for preparing said clinker, and to the use of said clinker for preparing a hydraulic binder and subsequently grout, concrete, or mortar. | 12-22-2011 |
20120000395 | Method for producing photocatalytically active clinker - In a method for producing photocatalytically active clinker, TiO | 01-05-2012 |
20120145043 | Green Cement for Sustainable Construction - “Green” cements, which can be carbon neutral or negative, can be prepared at lower temperatures (450° C.-500° C.) by utilizing feed compositions comprising (i) TiO | 06-14-2012 |
20130152825 | METHOD FOR PRODUCING A CLINKER FOR HYDRAULIC CEMENT WITH LOW CO2 EMISSION AND HIGH RESISTANCE - A method for producing a clinker for cement, comprising grinding a raw flour comprising, especially, Al | 06-20-2013 |
20130233207 | HIGH PERFORMANCE SULFO-ALUMINOUS CLINKER - The invention relates to a sulfo-aluminous clinker with optimal setting time and short term compressive strengths, comprising a mixture of the following phases: calcium sulfoaluminate, or C | 09-12-2013 |
20140311386 | HYBRID CEMENT CLINKER AND CEMENT MADE FROM THAT CLINKER - A hybrid cement clinker incorporates specific ranges of clinker phases and falls within specific modulus values as set forth and described in this document. | 10-23-2014 |
20150053118 | METHOD FOR USING WASTE CONCRETE AS BLENDING MATERIAL IN CEMENT PRODUCTION AND CEMENT THUS OBTAINED - The present disclosure relates to a method for manufacturing cement clinker with waste concrete as a blending material, comprising the steps of: i) crushing waste concrete into granules with particle size less than or equal to 40 mm; ii) adding the granules obtained in step i) to a cement production plant and mixing the granules with clinker in said production plant, wherein said granules are activated by the residual heat of said clinker, and then mixed with said clinker to directly serve as a blending material, and thus said cement clinker is manufactured. The present disclosure further relates to a cement comprising the cement clinker manufactured by said method. | 02-26-2015 |
20160002106 | LOWER HEAT PROCESSED CALCIUM SULPHATES FOR EARLY STRENGTH CEMENTS AND GENERAL USE - The Invention is related to increasing of early strength and final strengths of cements classified under EN and ASTM as Portland or CEM cements and also related to all clinker employing cements and to any kinds which employ calcium sulphates for set optimization and is for composing of new cements by only assessing new methods for production and is for composing of new cements by only assessing new methods to formation and inclusion of calcium sulphate resources which are used for set optimization. A new calcium sulphate resource is obtained by employing lower heats and this input is arranged to different dehydration levels at which they can be most efficient for the selected use. These different dehydration levels are called intermediate phases of dehydrate or hemihydrates or called as monohydrate. | 01-07-2016 |
20160023947 | NOVEL SULFO-ALUMINOUS CLINKER WITH A LOW BELITE CONTENT - The present invention relates to a new sulfo-aluminate based clinker with a low belite content, a method for preparing this clinker, as well as the use of the clinker for preparing a hydraulic binder, and later on, grout, concrete or mortar. | 01-28-2016 |
20160031756 | NOVEL PHOSPHORUS-DOPED SULFO-BELITIC CLINKER - A new phosphorus-doped sulfo-belite-based clinker, a method for preparing this clinker, as well as the use of the clinker for preparing a hydraulic binder and, later on, grout, concrete or mortar. | 02-04-2016 |
106694000 | Soil, diatomaceous earth, clay, shale, slate, or rock-type material containing or material for treating soil or earth (e.g., soil stabilization, etc.) | 12 |
20090095203 | METHOD FOR REDUCING CURLING AND/OR WARPING IN POURED CONCRETE AND STRUCTURE MADE THEREBY - The invention discloses a method for reducing curling, warping, or both in poured concrete. The method includes substituting a lightweight fine aggregate for at least a portion of the natural fine aggregate in a concrete mixture, mixing the components, pouring the mixture, and curing the poured concrete. The invention also discloses a concrete component, formed by the method, for use in building a parking structure. | 04-16-2009 |
20090145334 | NON-SETTLING REFRACTORY MORTAR - The non-settling refractory mortar of the invention contains 100 parts of ceramic powder such as cordierite, mullite, alumina, or silicon carbide, 0.5 to 1.5 parts of clay mineral, and colloidal oxide solution, in which the Ca content in total solid component is defined at 0.01 to 0.5% as converted to oxide so as to be provided with thixotropic property. As a result, the coating performance is not lowered if stored for a long period after kneading, the dimension change rate after coating is small, and cracks or gaps are not formed on the coat surface. The median diameter of ceramic powder is preferred to be 10 to 50 μm, and in order to reduce the dimension change rate after coating, the content of particles of 0.1 to 5 μm in ceramic powder is desired to be 1 to 20%. | 06-11-2009 |
20100031853 | METHOD OF PRODUCING A SOLID MINERAL MATERIAL - The invention concerns a method for producing a solid inorganic material comprising a step a) during which at least three formulations are mixed together, said mixture comprising at least (i) silicon, (ii) aluminium and (ii) calcium and/or magnesium, followed by a step b) of forming the paste thus obtained into shape, then a step b) of drying at atmospheric pressure and at a temperature of under 99° C. | 02-11-2010 |
20100175588 | CEMENT AND METHODS OF PREPARING CEMENT - Cement compositions and methods for making cement compositions are provided. The cement compositions can comprise at least one oxide having a particle size of less than about 600 nm. The methods for making cement may include: providing a mixture of compounds containing the required calcium, silicon, aluminum, and iron to provide at least one of tricalcium silicate, dicalcium silicate, tricalcium aluminate, tetracalcium aluminoferrite, other calcium silicates, aluminates, ferrites, and silicates or combinations thereof; adding a fuel source and an oxidizer to the mixture of compounds; and heating the mixture of compounds, the fuel source, and the oxidizer such that the mixture of compounds, the fuel source, and the oxidizer ignite to form the at least one tricalcium silicate, dicalcium silicate, tricalcium aluminate, and tetracalcium aluminoferrite, or combinations thereof, | 07-15-2010 |
20110023755 | GRANULAR COMPOSITION COMPRISING AN ANHYDRITE III HYDRAULIC BINDER AND AN ALUMINA-BASED GRANULAR MATERIAL - The invention concerns a granular composition designed to be reacted with water to form a refractory material, characterized in that it comprises an anhydrite III hydraulic binder and an alumina-based granular material. The invention aims at making a cold-processed refractory material which does not necessarily have to be cured prior to use, said material having very good refractory and mechanical properties for high (>1000° C.) and very high (>1600° C.) temperatures. | 02-03-2011 |
20110185950 | METHOD OF TREATING MARINE SEDIMENTS AND USE OF THE RESULTING SOLID PRODUCT IN MORTARS OR CONCRETES - A method of treating marine or river dredging sediments, especially harbour zone sediments, whose free water content is between 40% and 80% by weight, for the purpose of obtaining a solid material which is easy to handle, includes the following successive steps: mixing the sediments with a treatment composition including a sulphoaluminate binder and at least one other component selected from a sulphate source and a catalyst of the hydration reactions of the sulphoaluminate binder; a step of setting of the mixture, leading to a compact mixture having a free water content of less than 20% by weight; then fractionating the compact mixture. The sediment thus treated may be incorporated into concrete or mortar formulas, which then have leachable fractions of less than 1% by weight. | 08-04-2011 |
20110290153 | ENVIRONMENT FRIENDLY COMPOSITE CONSTRUCTION MATERIALS - Disclosed are a system, a method and/or composition of environment friendly composite construction material. In one aspect, a method includes providing a mixture of a pozzolanic material and/or a kaolin clay with an activator solution to form an alumino-silicate cementitious material through a resulting geo-polymerization process. The alumino-silicate cementitious material is in the form of a paste. The method also includes processing the alumino-silicate cementitious material to transform the alumino-silicate cementitious material that is in the form of the paste to a form of a powder of the alumino-silicate cementitious material. The method further includes mixing the alumino-silicate cementitious material which is in the form of the powder with water to control a workability of the alumino-silicate cementitious material. Furthermore the method includes combining a mixture of the alumino-silicate cementitious material and water with a coarse aggregate, a fine aggregate and/or a plasticizer to form a composite construction material. | 12-01-2011 |
20120024196 | TAILORED GEOPOLYMER COMPOSITE BINDERS FOR CEMENT AND CONCRETE APPLICATIONS - A geopolymer composite binder is provided herein, the composite binder including (i) at least one fly ash material having less than or equal to 15 wt % of calcium oxide; (ii) at least one gelation enhancer; and (iii) at least one hardening enhancer having a different composition from a composition of the at least one fly ash material. | 02-02-2012 |
20120024197 | HYDROGEN-TRAPPING MATERIAL, METHOD OF PREPARATION AND USES - A material capable for trapping a flammable gas such as hydrogen comprising at least one metal oxide in a cementitious matrix is disclosed. According to some aspects, the preparation of such a material and its different uses are also disclosed. | 02-02-2012 |
20120192768 | Lost Circulation Compositions and Associated Methods - An embodiment includes a method of servicing a well bore. The method may comprise introducing a lost circulation composition into a lost circulation zone, the lost circulation composition comprising hydraulic cement, nano-particles, amorphous silica, clay, and water. The method further may comprise allowing the lost circulation composition to set in the lost circulation zone. Another embodiment includes a lost circulation composition. The lost circulation may comprise hydraulic cement, nano-particles, amorphous silica, clay, and water. | 08-02-2012 |
20130092054 | SOLID STATE COMBUSTION SYNTHESIS OF NANO TO MACROSCALE PORTLAND CEMENT AND OTHER HIGH VALUE NANO PARTICLES - A method of making Portland cement, white cement, calcium aluminates, calcium aluminum silicates and similar oxides using solid state combustion synthesis is described. The method uses less energy and produces lower CO | 04-18-2013 |
20130319294 | Use Of Compounds Containing Aluminium Oxide And Silicon Oxide For Producing A Hydrophilic Building Product - The use of a binder system comprising compounds containing aluminium oxide and silicon oxide for producing a hydrophilic building product, characterized in that the sum of the oxides calculated as Al | 12-05-2013 |
106695000 | With other cement material (e.g., portland, calcium sulfate, etc.) | 23 |
20080202388 | Stain free hydraulic binder, mortar and concrete - Process for reducing the occurrence an/or intensity of staining, after setting, of mortars and concretes. | 08-28-2008 |
20080289542 | Hydraulic Binder - In a hydraulic binder containing slags, aluminium-silicates and calcium sulphate, slag, in particular furnace slag, in amounts below 50% (w/w) as well as aluminium-silicates different from furnace slag, as for example flue-ash and natural aluminium-silicates, as for example basalt or andesite, in amounts of 5 to 75% (w/w) respectively related to the entire blend with the requirement that the stm of slag and aluminium-silicates is between 82 and 95.9% (w/w) and as one of the activators CaSO | 11-27-2008 |
20090025613 | METHOD FOR PRODUCING CONCRETE PARTS AND STRUCTURE - A method for producing concrete parts and a structure includes (i) supplying a first concrete composition based on a quick binder containing Portland cement, curing accelerator system based on Al | 01-29-2009 |
20090205539 | Production method and cement compositions with rapidly acquire good strength and which are resistant to corrosion - A method for producing a cement which rapidly acquires good strength and is resistant to corrosion using a novel chemical production technology. The inventive method can be used to produce cements having properties rendering the cement suitable for use in diverse fields including the construction of oil wells, pipelines, etc. The invention also relates to a Portland-type cement which rapidly acquires mechanical strength, which has a shelf-life of up to 20 years under normal service conditions and which contains 4% molybdenum trioxide. The inventive cement is characterised in that it has a fineness of more than 4200 cm | 08-20-2009 |
20100101458 | SULFATE RESISTANT CEMENT - Mixed cement containing mainly ground granulated blast furnace slag with an alumina ratio of 12 to 17.5 mass % and Portland cement, wherein a ratio of mixture of the ground granulated blast furnace slag is made 10 to 60 mass % and wherein plaster having a specific surface area of 7000 cm | 04-29-2010 |
20110132232 | Polyol-Based Admixtures for Hydraulic Cement - Described herein is a composition including a substantially potash-free hydraulic cementitious material and at least one polyol compound having an acyclic polyhydroxy backbone chain comprising four or five adjacent carbon atoms, wherein a hydroxyl group is attached to each carbon of the backbone chain, and wherein the composition includes an effective amount of at least one calcium silicate or calcium aluminate material in a crystalline phase. Also described herein is a composition including a substantially calcium hydroxide-free hydraulic cementitious material and at least one polyol compound having an acyclic polyhydroxy backbone chain comprising four or five adjacent carbon atoms, wherein a hydroxyl group is attached to each carbon of the backbone chain, and wherein the composition includes at least one alkali-activated binder. Also described herein are methods and admixtures for increasing the strength of a hydraulic cementitious material. | 06-09-2011 |
20120145044 | CEMENTITIOUS COMPOSITIONS - The invention provides a cementitious composition comprising a cement component comprising (i) an accelerant, (ii) a calcium sulphate source and (iii) an ettringite forming cement; an aggregate; and optionally water; wherein the cement has a minimum unconfined compressive strength of 1500 psi when tested in accordance with ASTM C1140 and/or C1604 at 15 minutes after placement; methods for its use and concrete formed from it. | 06-14-2012 |
20120216721 | CONSTRUCTION MATERIALS BINDERS - Hydraulic binder comprising:
| 08-30-2012 |
20130008350 | MATERIAL FOR ABSORPTION AND ATTENUATION OF NEUTRONS - Masses for obtaining poured concrete, concrete for bricks, concrete for tiles or mortar are known, in which Portland cement and Colemanite, water and additives to regulate the process are involved as aggregate. | 01-10-2013 |
20130087076 | Calcium Aluminate Cement-Containing Inorganic Polymer Compositions and Methods of Making Same - Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, and optionally a retardant. The reactive powder includes fly ash and calcium aluminate cement in an amount of 5% by weight or greater of the reactive powder. The reactive powder can include less than 8% by weight of portland cement. Also described herein are building materials including the compositions. | 04-11-2013 |
20130087077 | Low Water Content Inorganic Polymer Compositions and Methods of Making Same - Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, optionally a retardant, and water. The reactive powder includes 85% by weight or greater fly ash. The ratio of water to reactive powder is from 0.06:1 to less than 0.15:1. Also described herein are building materials including the compositions. | 04-11-2013 |
20130087078 | Anhydrous Calcium Sulfate-Containing Inorganic Polymer Compositions and Methods of Making Same - Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, anhydrous calcium sulfate, an activator, and optionally a retardant. The reactive powder includes fly ash and no more than 10% by weight portland cement. The anhydrous calcium sulfate is present in an amount of 2% or greater by weight of the reactive powder. Also described herein are building materials including the compositions. | 04-11-2013 |
20130087079 | High Speed Mixing Process for Producing Inorganic Polymer Products - Methods of producing inorganic polymer products are described herein. The methods include mixing reactants comprising a reactive powder, an activator, and optionally a retardant for a mixing time of 15 seconds or less to provide a reaction mixture and forming the reaction mixture into a product. Also described herein are building materials formed according to the methods. | 04-11-2013 |
20130118381 | Cement Accelerator - The invention relates to an inorganic binder system comprising a) calcium silicate cement, b) calcium aluminate cement, c) at least one trifunctional polyalkylene glycol and d) optionally calcium sulphate. Additionally disclosed is the use of at least one polyalkylene glycol as an accelerator for an inorganic binder system comprising a) calcium silicate cement, b) calcium aluminate cement and d) optionally calcium sulphate. | 05-16-2013 |
20130133554 | Calcium Sulfoaluminate Cement-Containing Inorganic Polymer Compositions and Methods of Making Same - Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, and optionally a retardant. The reactive powder includes fly ash, calcium sulfoaluminate cement, and less than 10% by weight portland cement. In some examples, the composition is substantially free from alkanolamines. In some examples, the ratio of water to reactive powder is from 0.06:1 to less than 0.2:1. Also described herein are building materials including the compositions. | 05-30-2013 |
20130133555 | Inorganic Polymer Compositions Containing Tricalcium Aluminate Additive and Methods of Making Same - Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, and optionally a retardant. The reactive powder includes fly ash and a tricalcium aluminate additive. In some examples, the reactive powder comprises less than 5% by weight portland cement. The tricalcium aluminate is present in an amount of 0.5% or greater by weight of the reactive powder. Also described herein are building materials including the compositions. | 05-30-2013 |
20130255542 | CEMENT AND CONCRETE WITH CALCIUM ALUMINATES - Provided herein are systems, methods, and compositions related to mixtures of calcium aluminate cements with compositions comprising carbonate. The compositions comprising carbonates may be formed by sequestering carbon dioxide. | 10-03-2013 |
20130284069 | DIMENSIONALLY STABLE GEOPOLYMER COMPOSITIONS AND METHOD - A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar and repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium aluminate cement, a calcium sulfate and a chemical activator with water | 10-31-2013 |
20130284070 | DIMENSIONALLY STABLE GEOPOLYMER COMPOSITION AND METHOD - A method for making geopolymer cementitious binder compositions for cementitious products such as concrete, precast construction elements and panels, mortar, patching materials for road repairs and other repair materials, and the like is disclosed. The geopolymer cementitious compositions of some embodiments are made by mixing a synergistic mixture of thermally activated aluminosilicate mineral, calcium sulfoaluminate cement, a calcium sulfate and a chemical activator with water. | 10-31-2013 |
20150329422 | CURABLE HYDRAULIC BINDER-BASED CEMENT MATERIAL INTENDED TO BE USED AT LOW TEMPERATURES - Cement material, curable in the presence of water and including a hydraulic binder composition, which contains a mixture of hydraulic binders and a mixture of sulphate sources, wherein the hydraulic binder mixture includes: at least one hydraulic binder containing an alite-type mineralogical phase and at least one hydraulic binder containing an aluminate-type mineralogical phase, mainly consisting of yeelimite (C4A3$) or a mixture of yeelimite and calcium monoaluminate (CA), the mixture of sulphate sources containing at least one sulphate source with a solubility of <4 g·L-1, and at least one sulphate source with a solubility >4 g·L-1, the cement material optionally including mineral additions, fine granulates, large granulates and additives. The curable cement material is useful as a material capable of setting in cold weather, in particular a concrete, a mortar, a grout, a coating or a cement paste to be used at a temperature of −10° C. to +5° C. | 11-19-2015 |
20150376499 | BINDER FOR SELF-COMPACTING AND RE-EXCAVATABLE BACKFILL - A hydraulic binder composition intended to be used to form a self-compacting and re-excavatable backfill, said hydraulic binder composition comprising fly ash, aluminous cement, and hydrated lime, said hydraulic binder composition being intended to be mixed with a granulate composition and with water to form said self-compacting and re-excavatable backfill. | 12-31-2015 |
20160194247 | DIMENSIONALLY STABLE GEOPOLYMER COMPOSITION AND METHOD | 07-07-2016 |
20190144339 | SUPPLEMENTARY CEMENTITIOUS MATERIAL MADE OF ALUMINIUM SILICATE AND DOLOMITE | 05-16-2019 |
106696000 | Organic material containing | 8 |
20080236451 | WELLBORE SERVICING COMPOSITIONS - A wellbore servicing comprising a calcium aluminate cement and at least one gelation inhibitor wherein the calcium aluminate cement comprises less than about 50 wt. % alumina, greater than about 2 wt. % iron oxide, or both. A wellbore servicing composition comprising calcium aluminate cement and a gelation inhibitor, wherein the gelation inhibitor comprises a copolymer comprising one or more sulfonated aromatic monomers and one or more acrylate monomers. A wellbore servicing composition comprising calcium aluminate cement and a gelation inhibitor, wherein the gelation inhibitor comprises a copolymer comprising alkylbenzene sulfonic acid, at least one methallyl sulfonic acid monomer; at least one copolymerizable nonionic monomer, and at least one copolymerizable olefinically unsaturated carboxylic acid monomer. | 10-02-2008 |
20090293771 | Heavy refractory mass for the execution of radioprotection and heat accumulation barriers - The mass is structured on the basis of calcium aluminate cement, aggregates, water and chemical additives that modify the characteristics of the concrete. This mass uses magnetite, hematite or steel shot as an aggregate, with a highly continuous granulometry so as to achieve perfect consistency in the mass (Fuller's curve), accompanied by a high density, decisive factors for an optimum barrier effect against radiations. It can withstand high temperatures without there being any structural loss and it therefore maintains the barrier effect. The mass is suitable for producing poured concrete, concrete for bricks, and mortar, for use in the building of radioactive enclosures in which energies above 450 KeV, etc. are handled. | 12-03-2009 |
20100175589 | DUAL COMPONENT SYSTEM CONTAINING RETARDED ALUMINOUS CEMENT WITH INSTANTANEOUS INITIATION - A ready-for-use dual-component system includes a portion (A) containing retarded aqueous-phase aluminous cement and an aqueous phase portion (B) for initiating the curing process. The portion (A) further includes boric acid or a salt thereof, at least one super-plasticizer and water. The portion (B) includes an initiator and water. The dual-component system meets the following requirements: a) the initiator includes uniquely lithium salts and contains a mixture of lithium hydroxide and at least another water-soluble lithium salt; the total mass of lithium in the portion (B) is such that, after mixing with the portion (A), ranges from 0.5 wt % to 2 wt % relative to the weight of aluminous cement in the portion (A); and c) the mass of lithium in the portion (B) added by the lithium hydroxide is such that, after mixing with the portion (A), ranges from 0.1 wt % to 1 wt % relative to the weight of aluminous cement in the portion (A). | 07-15-2010 |
20110203486 | Hardening Accelerator Composition Containing Dispersants - A process for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound, said reaction being effected in the presence of a water-soluble dispersant having at least one polyalkyleneglycol structural unit with a functional group at one end of the polyalkyleneglycol, being able to interact as an anchor group with the surface of cement particles, the hardening accelerator composition and its use. | 08-25-2011 |
20130333593 | METHOD FOR PRODUCING CURED ARTICLE FROM HYDRAULIC COMPOSITION - The present invention provides a method for producing a cured article of a hydraulic composition, prepared by mixing glycerol, cement and water, the hydraulic composition containing a sulfate ion, the method including step 1 of preparing the hydraulic composition such that a molar ratio of the sulfate ion to the glycerol, sulfate ion/glycerol, is 5.0 to 20 and the content of the sulfate ion is 3.0 to 15 parts by weight to 100 parts by weight of cement; and step 2 of aging and curing the hydraulic composition obtained in the step 1. | 12-19-2013 |
20140208983 | Wellbore Servicing Compositions and Methods of Using Same - A method of servicing a wellbore in contact with a subterranean formation, comprising placing into a wellbore a composition comprising a calcium aluminate cement and a polyvalent cation-containing compound, and allowing the composition to set. A method of increasing the thickening time of a calcium aluminate cement comprising contacting the calcium aluminate cement with a polyvalent cation-containing compound. A method of adjusting the thickening time of a calcium aluminate cement comprising contacting the calcium aluminate cement with a polyvalent cation-containing compound and at least one other set modifier. | 07-31-2014 |
20150344364 | PROCESS FOR PREPARING A MOF SHAPED WITH A HYDRAULIC BINDER BY LIQUID-FREE PELLETING OR BY GRANULATION, HAVING IMPROVED MECHANICAL PROPERTIES - The invention relates to a process for preparing a novel material comprising at least one crystalline organic-inorganic hybrid material (MHOIC) formed with a binding formulation comprising at least one hydraulic binder, said process comprising at least one step of mixing at least one powder of at least one crystalline organic-inorganic hybrid material with at least one powder of at least one hydraulic binder in the absence of solvent, followed by a step of forming, preferably by pelletizing in the absence of solvent or by granulation, the mixture obtained at the end of the mixing step. | 12-03-2015 |
20160186037 | AMPHOTERIC POLYMER SUSPENDING AGENT FOR USE IN CALCIUM ALUMINATE CEMENT COMPOSITIONS - A cement composition for use in a well that penetrates a subterranean formation comprises: a calcium aluminate cement or calcium magnesia cement; water; a fluid loss additive; and a suspending agent, wherein the suspending agent is a polymer and wherein the polymer: (A) is amphoteric; (B) has a molecular weight greater than 100,000; and (C) does not increase the fluid loss of the cement composition greater than 15% at a temperature of 145° F. (63° C.) and a pressure differential of 1,000 psi (7 MPa) compared to a cement composition consisting of the cement, the water, and the fluid loss additive. A method of cementing in a subterranean formation comprises: introducing the cement composition into the subterranean formation; and allowing the cement composition to set. | 06-30-2016 |