| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 106708000 | Organic material containing | 45 |
| 20090199742 | SACRIFICIAL AGENTS FOR FLY ASH CONCRETE - A method of producing cementitious mixtures containing fly ash as one of the cementitious components, under air entrainment conditions. The method involves forming a mixture comprising water, cement, fly ash, optionally other cementitious materials, aggregate, conventional chemical admixtures, and an air entrainment agent and agitating the mixture to entrain air therein. Additionally, at least one sacrificial agent is also included in the mixture. The sacrificial agent is a material or mixture of materials that is not required to act as an air entrainment agent but interacts preferentially with components of the fly ash that otherwise neutralize, repress or depress the activity of the air entrainment agent. The invention includes cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agent/sacrificial agent combinations, and processes for selecting suitable sacrificial agents. | 08-13-2009 |
| 20090199743 | Sacrificial Agents for Fly Ash Concrete - A method of producing cementitious mixtures containing fly ash as one of the cementitious components, under air entrainment conditions. The method involves forming a mixture comprising water, cement, fly ash, optionally other cementitious materials, aggregate, conventional chemical admixtures, and an air entrainment agent and agitating the mixture to entrain air therein. Additionally, at least one sacrificial agent is also included in the mixture. The sacrificial agent is a material or mixture of materials that is not required to act as an air entrainment agent but interacts preferentially with components of the fly ash that otherwise neutralize, repress or depress the activity of the air entrainment agent. The invention includes cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agent/sacrificial agent combinations, and processes for selecting suitable sacrificial agents. | 08-13-2009 |
| 20090199744 | SACRIFICIAL AGENTS FOR FLY ASH CONCRETE - A method of producing cementitious mixtures containing fly ash as one of the cementitious components, under air entrainment conditions. The method involves forming a mixture comprising water, cement, fly ash, optionally other cementitious materials, aggregate, conventional chemical admixtures, and an air entrainment agent and agitating the mixture to entrain air therein. Additionally, at least one sacrificial agent is also included in the mixture. The sacrificial agent is a material or mixture of materials that is not required to act as an air entrainment agent but interacts preferentially with components of the fly ash that otherwise neutralize, repress or depress the activity of the air entrainment agent. The invention includes cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agent/sacrificial agent combinations, and processes for selecting suitable sacrificial agents. | 08-13-2009 |
| 20090255443 | GYPSUM-BASED FLOOR UNDERLAYMENT - A flooring composition for mixing with water to produce a self-leveling slurry that quickly hydrates to form a high strength floor underlayment comprising a dry mixture of (1) beta gypsum produced by a continuous method; (2) Class C fly ash; (3) a conventional water reducing aid such as sulfonated melamines, sulfonated naphthalenes and their related formaldehyde condensates, and (4) a conventional set retarder. | 10-15-2009 |
| 20090288582 | Low Embodied Energy Concrete Mixture - A method for making a low embodied energy cementitious mixture by blending a variety of post-consumer wastes, post-industrial wastes, as well as renewable, organic and recyclable materials with Portland cement or a material having similar cementitious properties. The primary materials are recycled concrete, coal-fired fly ash waste, silica fume, post-industrial waste, organic or inorganic waste fibers. Glass, brick, ceramics, ground tires and other waste products can also be included. | 11-26-2009 |
| 20100071597 | FLY ASH BASED LIGHTWEIGHT CEMENTITIOUS COMPOSITION WITH HIGH COMPRESSIVE STRENGTH AND FAST SET - A method of making a rapid setting lightweight cementitious composition with improved compressive strength for products such as boards is disclosed. The method mixes fly ash, alkali metal salt of citric acid and lightweight aggregate with water. Compositions which include fly ash, alkali metal salts of citric acid and lightweight aggregate are also disclosed. | 03-25-2010 |
| 20100126389 | Filling Material for Reinforcing Joint and Construction Method of Filling Reinforcing Joint - A filler for reinforcement joint that ensures excellent fluidity and retention thereof, exhibiting appropriate length change ratio and high strength performance; and a method of reinforcement joint filling operation using the same. There are provided a filler for reinforcement joint containing a cement, an expanding material, a pozzolana micropowder, a water reducing agent and a sand, and a method of reinforcement joint filling operation using the same, characterized in that the expanding material is a calcium aluminoferrite expanding material, and that the pozzolana micropowder is a silicious micropowder having a silicon dioxide (SiO | 05-27-2010 |
| 20100212551 | FORMULATION, UTILISATION AND PROCESS TO OBTAIN A LIGHTWEIGHT STRUCTURAL CONCRETE - A lightweight structural concrete includes a hydraulic binder; effective water; a superplasticizer; and aggregates; the concrete having a density in the fresh state varying from 1.40 to a D | 08-26-2010 |
| 20110094420 | SULPHUR CEMENT PRE-COMPOSITION AND PROCESS FOR PREPARING SUCH SULPHUR CEMENT PRE-COMPOSITON - The present invention provides a sulphur cement pre- composition, comprising sulphur and at least an organotitanate, which organotitanate is of the general molecular formula (1) or (2): wherein OR | 04-28-2011 |
| 20110283921 | LACTATE ACTIVATED CEMENT AND ACTIVATOR COMPOSITIONS - Cementitious compositions in which the cementitious properties of fly ash are carefully controlled are described. The cementitious compositions may be substantially free harsh acids and bases such as citric acids (≈pH 2.2) and alkali metal activators including alkali hydroxides (≈pH 12-14) and metal carbonates (≈pH 11.6). The use of these harsh chemicals creates acid base reactions during use of the products. Instead of these harsh chemicals, a lactic acid salt based activator is be used as a reaction accelerator. Boric compounds may be used as a retarder in the compositions. | 11-24-2011 |
| 20120024198 | CONCRETE WITH A LOW CLINKER CONTENT - A dry binder premix includes, in mass proportions: Portland clinker having a Blaine specific surface area comprised from 4500 to 9500 cm | 02-02-2012 |
| 20120037044 | DRY COMPOSITION COMPRISING A BINDER AND A SILICONE OIL - A dry composition including at least one binder and at least one silicone oil with the following formula (I): | 02-16-2012 |
| 20120097074 | Stabilized Sulfur Binding Using Activated Fillers - A method of making a stable, sulfur binding composite containing elemental sulfur, a solid aggregate, and an organic modifier is claimed. The resulting sulfur composite compositions are also claimed. | 04-26-2012 |
| 20120111235 | JUTE FIBER-REINFORCED COMPOSITION FOR CONCRETE REPAIR - Disclosed is a concrete repair composition including an aggregate, a binder, and a fiber reinforcement, wherein the fiber reinforcement includes jute fiber having an average thickness of 65 to 75 μm and an average length of 3 to 6 mm. The jute fiber used for reinforcement has excellent dispersion and bonding when mixing. Also, the jute fiber has high moisture holding capacity, and thus the concrete repair composition can retain water therein during curing, thereby preventing a false-set problem caused by rapid hardening of cement. | 05-10-2012 |
| 20120118207 | Light-Weight Composition and Mix for Masonry, Mortar and Stucco - An application for a pre-mixed mortar, stucco or masonry composition includes a approximately 75% sand and 25% of a light-weight cement mix comprising a cement (either Portland cement or hydraulic cement), fly ash, sodium tall oil, sodium stearate, sodium C14-16 Alpha Olefin, linear alkyl benzene; and silicon dioxide. | 05-17-2012 |
| 20120137932 | Robust Air-Detraining For Cement Milling - The present invention discloses compositions and methods wherein air entrained in cementitious materials at least one air-entraining cement additive is detrained using an ethoxylated, propoxylated fatty alcohol or alkylphenol having robustness for withstanding the harsh temperature and mechanical shearing effects of cement grinding mills. Exemplary air-entraining cement additives include a tertiary alkanolamine, a lignosulfonic acid or salt thereof, naphthalene sulfonate formaldehyde condensate, melamine sulfonate formaldehyde condensate, a glycol, a glycerin, or mixtures thereof. | 06-07-2012 |
| 20120145045 | ADDITIVES FOR A HYDRAULIC BINDER BASED ON BELITE-CALCIUM-SULPHOALUMINATE-FERRITE CLINKER - A composition includes at least, in % expressed by mass relative to the total mass of the composition, from 0.01 to 3% of polycarboxylic acid or salts thereof, the polycarboxylic acid including 2 to 4 carboxyl groups per molecule; and from 97 to 99.99% of a Belite-Calcium-Sulphoaluminate-Ferrite clinker (BCSAF clinker). | 06-14-2012 |
| 20120199046 | Healing Agent in Cement-Based Materials and Structures, and Process for Its Preparation - A process for the preparation of the healing agent in cement-based materials and structures, wherein said healing agent comprises organic compounds and/or bacteria-loaded porous particles, which porous particles comprise expanded clay- or sintered fly-ash. Furthermore, said porous particles are intact spheres, broken or crushed particles derived from said intact spheres, having a specific density between 0.4 and 2 g cm | 08-09-2012 |
| 20120240825 | Low-Shrinkage Binder System - The invention relates to mixtures containing alkali-activatable aluminosilicate binders, characterized in that the mixture contains organosiloxane compounds, to the use of organosiloxane compounds for reducing shrinkage in alkali-activatable aluminosilicate binders and to the use for hydrophobization of alkali-activatable aluminosilicate binders. The invention furthermore relates to joint mortars, levelling compounds or coatings which contain the mixtures according to the invention. | 09-27-2012 |
| 20120272870 | Particulate Flow Enhancing Additives and Associated Methods - Solid, flowable compositions comprising a dry, solid particulate material and a flow enhancing additive. The dry, solid particulate material may be cementitious, non-cementitious material, or a combination thereof. The flow enhancing additive comprises a solid, particulate absorbent material having absorbed thereon: a flow inducing chemical, ethylene glycol, and water. In some cases the flow inducing chemical comprises an organic acid, a salt of an organic acid, an acid anhydride, or a combination thereof. | 11-01-2012 |
| 20120298011 | SUPPRESSION OF ANTAGONISTIC HYDRATION REACTIONS IN BLENDED CEMENTS - Method for suppressing antagonistic hydration reactions in Portland fly ash cement involves the use of unponded fly ash that is pre-hydrated, preferably as an aqueous slurry wherein fly ash, preferably having an alkaline earth metal oxide of at least 10% by weight, is soaked, whereby the hydration reaction of the resultant mixed fly ash and cement is accelerated when these components are mixed together with water to hydrate the cement. Blended Portland cement/fly ash compositions of the invention will also have higher early strength as well as shorter set time compared to untreated blends. | 11-29-2012 |
| 20120325120 | Cementitious Composition and Admixture - A cementitious composition including at least one cementitious and/or pozzolanic material and at least one desugared molasses. A method of preparing a cementitious composition including forming a mixture of water, at least one cementitious and/or pozzolanic material and at least one desugared molasses. An admixture for cementitious compositions including: (i) at least one desugared molasses; and (ii) at least one alkanolamine and/or at least one polyhydroxyalkylamine. | 12-27-2012 |
| 20120325121 | Cement Additive - A cementitious material manufactured by a process including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material. A method of manufacturing a cementitious material including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material. | 12-27-2012 |
| 20130019779 | ADMIXTURE FOR A HYDRAULIC COMPOSITION - A method includes using, as an inerting agent of carbonaceous materials, for treatment of at least one constituent of a hydraulic composition comprising at least one air-entraining agent, the constituent including the carbonaceous materials, of an admixture, including at least one polymer comprising at least one chain having hydrophobic end groups and an intermediary hydrophilic group between the end groups, the admixture being adapted to at least partially neutralise the carbonaceous materials. | 01-24-2013 |
| 20130019780 | GEOPOLYMER ADDITIVES AND METHODS OF USE FOR TREATMENT OF FLUID FINE TAILINGS - Select geopolymers are mixed, at high shear, with fluid fine tailings from an oil sand operation to increase the yield strength of deposits of the geopolymer-treated fluid fine tailings stream and to enhance the dewaterability of the deposits for meeting the regulated, minimum undrained shear strength of 5 kilopascals (kPa) in the fluid fine tailings deposited in the previous year. | 01-24-2013 |
| 20130087080 | CEMENTITIOUS MIXTURE FOR MATERIALS HAVING "EASY-TO-CLEAN" PROPERTIES BY MODIFICATION OF THE UNSET MATERIAL BY MEANS OF FLUORINE-CONTAINING ACTIVE INGREDIENTS - The present invention relates to a hydraulically setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.01% to 8% by weight of at least one fluoroorganyl-substituted silicon compound, and also to materials produced from this mixture, more particularly components, concrete articles or mouldings. The invention further relates to the use of a hydraulically setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as facing concrete, where the surface of the materials exhibits only relatively low soiling tendency (“easy-to-clean” property) even on abrasion. | 04-11-2013 |
| 20130160678 | LACTATE ACTIVATED CEMENT AND ACTIVATOR COMPOSITIONS - Cementitious compositions in which the cementitious properties of fly ash are carefully controlled are described. The cementitious compositions may be substantially free harsh acids and bases such as citric acids (≈pH 2.2) and alkali metal activators including alkali hydroxides (≈pH 12-14) and metal carbonates (≈pH 11.6). The use of these harsh chemicals creates acid base reactions during use of the products. Instead of these harsh chemicals, a lactic acid salt based activator is be used as a reaction accelerator. Boric compounds may be used as a retarder in the compositions. | 06-27-2013 |
| 20130199416 | CEMENTITIOUS COMPOSITION AND ADMIXTURE - A cementitious composition including at least one cementitious and/or pozzolanic material and at least one desugared molasses. A method of preparing a cementitious composition including forming a mixture of water, at least one cementitious and/or pozzolanic material and at least one desugared molasses. An admixture for cementitious compositions including: (i) at least one desugared molasses; and (ii) at least one alkanolamine and/or at least one polyhydroxyalkylamine. | 08-08-2013 |
| 20130206040 | AMINE SACRIFICIAL AGENTS AND METHODS AND PRODUCTS USING SAME - A method of producing cementitious mixtures containing fly ash as one of the cementitious components, under air entrainment conditions is described. The method involves forming a mixture comprising water, cement, fly ash, optionally other cementitious materials, aggregate, conventional chemical admixtures, and an air entrainment agent and agitating the mixture to entrain air therein. Additionally, at least one amine sacrificial agent is included in the mixture. The cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agent/sacrificial agent combinations, are also described. | 08-15-2013 |
| 20130284071 | COMPOSITION FOR BUILDING MATERIALS HAVING IMPROVED FREEZE-THAW RESISTANCE AND PROCESS FOR THE PRODUCTION THEREOF - A hydraulically curable composition, in particular for the production of concrete, mortar, screed, or render having improved freeze-thaw resistance, as well as a process for producing the composition. The composition includes the constituents cement, additional constituents, and organofunctional silicon compounds, and optionally aggregates and admixtures. The composition also contains the additional constituents fly ash and silica dust, in each case independently based on the weight of cement, in an amount of from 1 to 25% by weight and the organofunctional silicon compounds in an amount of from 0.1 to 5% by weight based on the weight of cement. | 10-31-2013 |
| 20140041552 | CHEMICAL ADMIXTURES FOR HYDRAULIC CEMENTS - The present invention relates to a new class of chemical admixtures for hydraulic cement compositions and methods of preparing same. The admixtures, which include complexes of metals with one or more hydroxycarboxylic acids and/or derivatives of hydroxycarboxylic acids, improve at least the following properties of cement compositions: hardness, compressive strength, shrinkage, and freeze-thaw resistance. Hydraulic cement compositions that may be improved with the chemical admixtures include pastes, mortars, grouts and concretes, all of which may be made from ordinary Portland cement, blended cements, or non-Portland cements made with Supplementary Cementitious Materials. | 02-13-2014 |
| 20140076203 | HARDENING ACCELERATOR FOR MINERAL BINDERS - A hardening accelerator for mineral binders including an amino alcohol A and/or of a salt of said amino alcohol A, for example, cementitious binders, is provided. The amino alcohol A has a structure according to formula (I) where a) R | 03-20-2014 |
| 20140144350 | HYDRAULIC BINDER - A hydraulic binder containing 25 to 85 wt % of cement clinker, 0 to 7 wt % of CaSO | 05-29-2014 |
| 20140216304 | PROCESS FOR PREPARING ADDITIVE FOR CEMENTITIOUS MATERIALS, ADDITIVE AND MIXTURE COMPRISING ADDITIVE - This invention is directed to a process for preparing an additive for cementitious materials, in particular an admixture for paste, grout, mortar and concrete applications as well as a cement additive for cement production by grinding, from a sugar-based material. The process comprises a step of the sugar-based material being subjected to a sulfonation treatment. | 08-07-2014 |
| 20140245931 | Treatment of fly ash contaminated with activated carbon - Fly ash contaminated with activated carbon is treated to neutralize the activated carbon by placing the contaminated fly ash in a rotary mill and introducing ozone. The result is that entrained air in concrete made from activated fly ash will contain greater than 4 percent entrained air. | 09-04-2014 |
| 20140283711 | CEMENT ADDITIVES AND RELATED METHODS OF USE - Cement and concrete additives and related methods of making and using such additives are disclosed and described. An additive can include molasses and a carrier. An enhanced Portland cement composition can comprise about 97 wt % to 99.9 wt % of the composition and the above described additive comprises about 0.01 wt % to about 3 wt % of the composition. | 09-25-2014 |
| 20150027346 | TUNNELING ANNULUS GROUT - A grout composition for application to a tunneling surface is disclosed. The grout composition comprises a mixture including cement and at least one of a hydration stabilizer, a polycarbonate-based high range water reducer, and a viscosity modifier. The grout composition further includes water and a sprayed concrete accelerator. The sprayed concrete accelerator may be included in the composition at the time of application. | 01-29-2015 |
| 20150068431 | CEMENTITIOUS COMPOSITION AND ADMIXTURE - A cementitious composition including at least one cementitious and/or pozzolanic material and at least one desugared molasses. A method of preparing a cementitious composition including forming a mixture of water, at least one cementitious and/or pozzolanic material and at least one desugared molasses. An admixture for cementitious compositions including: (i) at least one desugared molasses; and (ii) at least one alkanolamine and/or at least one polyhydroxyalkylamine. | 03-12-2015 |
| 20150101512 | LACTATE ACTIVATED CEMENT AND ACTIVATOR COMPOSITIONS - Cementitious compositions in which the cementitious properties of fly ash are carefully controlled are described. The cementitious compositions may be substantially free harsh acids and bases such as citric acids (≈pH 2.2) and alkali metal activators including alkali hydroxides (≈pH 12-14) and metal carbonates (≈pH 11.6). The use of these harsh chemicals creates acid base reactions during use of the products. Instead of these harsh chemicals, a lactic acid salt based activator is be used as a reaction accelerator. Boric compounds may be used as a retarder in the compositions. | 04-16-2015 |
| 20150122154 | HIGHLY WORKABLE, HIGH STRENGTH CEMENT COMPOSITIONS - Pozzolanic cement compositions and method manufacturing the same are described. These cement compositions may include a pozzolanic material and an activator based on a salt of glycolic acid, glyceric acid, malic acid, tartaric acid, malonic acid, glutaric acid, maleic acid, formic acid, acetic acid, propionic acid, or butyric acid, a retarder based on hepto-gluconates, sulfate salts, sugars, sugar acids, lignins, and/or an accelerator based on amines. The cement compositions may have less than 10% by weight Portland cement. The pozzolanic cement compositions including these activators, accelerators, and retarders can have improved properties such as longer setting time, better slump retention, and improved strength. | 05-07-2015 |
| 20150321960 | Geopolymer Activator Composition and Geopolymer Binder, Paste and Concrete Prepared Therewith - The present invention relates to geopolymer compositions comprising additives selected from sugars and derivatives thereof and/or organic acids and salts thereof. The geopolymer compositions of the present invention have sufficient strength to be used for construction purposes. To facilitate the production method of geopolymer paste and concrete compositions the present invention further provides solid and liquid geopolymer activator compositions. | 11-12-2015 |
| 20150321961 | PARTICULATE FLOW ENHANCING ADDITIVES AND ASSOCIATED METHODS - A dry, free-flowing cement composition that comprises dry cement particles and flow inducing particulates that comprise solid adsorbent particulates having adsorbed thereon a flow inducing chemical, ethylene glycol, and water. The water is present in an amount from 5% to 30.3% by weight of the solid adsorbent particulates, the ethylene glycol is present in an amount from 3.25 to 20% by weight of the solid adsorbent particulates, and the flow inducing particulate is present in an amount from 0.005% to 5% by weight of the cement. The dry, free-flowing cement composition is free-flowing at temperatures at least as low as 10° F. | 11-12-2015 |
| 20160002108 | Targeted Air Control for Carbon Containing Fly Ash - Compositions and methods of the present invention comprise the use of at least one alkoxylated fatty compound comprising at least one propylene oxide group, the alkoxylated fatty compound having a turbidity most preferably greater than 1000 NTU (as measured in a 0.2 weight percent aqueous solution) and carbon dispersing compound (e.g., lignosulfonate) to reduce carbon spotting in mortars and concretes containing a carbon-bearing fly ash having a methylene blue (MB) value of at least 1 mg/g or greater (as 10 determined according to ASTM C1777-13). The compositions may, for example, be combined as dry powder with the carbon-bearing fly ash where the fly ash is produced, or in aqueous liquid composition form, such as would be suitable for dispensing at a concrete ready-mix plant. Exemplary additive or admixture compositions may further comprise air entraining agents, alkanolamines, or both. | 01-07-2016 |
| 20160107931 | COMPOSITIONS WITH SYNTHETIC GYPSUM AND METHODS - DTPA-coated synthetic calcined gypsum is provided with alpha-like properties and obtained by spray-coating the synthetic caclined gypsum with DTPA. Cementitious compositions comprising DTPA-coated synthetic calcined gypsum and low water demand are provided as well. Methods for controlling an open time of a cementitious slurry by increasing or decreasing the amount of DTPA-coated synthetic calcined gypsum in the slurry are provided as well. | 04-21-2016 |
| 20160168028 | CEMENT ADDITIVES AND RELATED METHODS OF USE | 06-16-2016 |
