Class / Patent application number | Description | Number of patent applications / Date published |
106706000 | Soil, diatomaceous earth, clay, shale, slate or rock containing or material for treating soil or earth (e.g., soil stabilization, etc.) | 30 |
20090044726 | Cement Stabilization of Soils Using a Proportional Cement Slurry - A novel cement slurry composed of cement and water that can be used in cement stabilization applications. The cement slurry compound itself is chemically treated, by means of a cellulosic or other thixotropic thickening agent(s) to create a thixotropic system wherein the wetted cement remains in suspension and does not settle out prior to use even without further mixing. A chemical retarder/stabilizer is also used to prevent the slurry from prematurely setting during shipping. A novel apparatus and method for mixing the novel cement slurry is disclosed to insure the exact proportioning of all ingredients and the proper wetting of the cement. | 02-19-2009 |
20090050023 | Method for accelerating the setting and hardening of hydraulic binding agents and mixtures containing the same - The invention relates to an accelerator used for setting and hardening and a method for accelerating and hardening hydraulic binding agents using said accelerator. The principal components of said accelerator are nitrates, aminoalcohols, hydroxycarboxylic acids and polyalcohols. The hardening acceleration is not connected with a rapid loss in processability, which is common in other accelerated systems. | 02-26-2009 |
20090064903 | READY-MIX CONCRETE USING RECYCLED CONCRETE AGGREGATE - A ready-mix concrete and method for making the ready-mix concrete having mix proportions that include at least 70% course recycled aggregate and fly ash is provided. The ready-mix concrete including cement, air, water, sand and a remaining percent of virgin course recycled aggregate such that the coarse recycled aggregate combines to 100% of the required course aggregate. | 03-12-2009 |
20090158966 | CONCRETE OPTIMIZED FOR HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO - A concrete composition having a 28-day design compressive strength of 3000 psi and a slump of about 5 inches is optimized to have high workability and a high strength to cement ratio. The concrete composition contains about 340 pounds per cubic yard hydraulic cement (e.g. Portland cement), about 102 pounds per cubic yard pozzolanic material (e.g., Type C fly ash), about 1757 pounds per cubic yard fine aggregate (e.g., FA-2 sand), about 1452 pounds per cubic yard coarse aggregate (e.g., CA-11 state rock, ¾ inch), and about 294 pounds per cubic yard water (e.g., potable water). Workability and strength to cement ratio were increased compared to one or more preexisting concrete compositions having the same 28-day design compressive strength and similar slump by optimizing the ratio of fine aggregate to coarse aggregate. The concrete composition is further characterized by high cohesiveness, resulting in relatively little or no segregation or bleeding. | 06-25-2009 |
20090158967 | CONCRETE OPTIMIZED FOR HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO - A concrete composition having a 28-day design compressive strength of 3000 psi and a slump of about 5 inches is optimized to have high workability and a high strength to cement ratio. The concrete composition contains about 299 pounds per cubic yard hydraulic cement (e.g., Portland cement), about 90 pounds per cubic yard pozzolanic material (e.g., Type C fly ash), about 1697 pounds per cubic yard fine aggregate (e.g., FA-2 sand), about 1403 pounds per cubic yard coarse aggregate (e.g., CA-11 state rock, ¾ inch), about 269 pounds per cubic yard water (e.g., potable water), and about 1.4 fluid ounces of air entraining agent per cwt of hydraulic cement. Workability and strength to cement ratio were increased compared to one or more preexisting concrete compositions having the same 28-day design compressive strength and similar slump by optimizing the ratio of fine aggregate to coarse aggregate. The concrete composition is further characterized by high cohesiveness, resulting in relatively little or no segregation or bleeding. | 06-25-2009 |
20090158968 | HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO - A concrete composition having a 28-day design compressive strength of 4000 psi and a slump of about 5 inches is optimized to have high workability and a high strength to cement ratio. The concrete composition contains about 375 pounds per cubic yard hydraulic cement (e.g., Portland cement), about 113 pounds per cubic yard pozzolanic material (e.g., Type C fly ash), about 1735 pounds per cubic yard fine aggregate (e.g., FA-2 sand), about 1434 pounds per cubic yard coarse aggregate (e.g., CA-li state rock, ¾ inch), and about 294 pounds per cubic yard water (e.g., potable water). Workability and strength to cement ratio were increased compared to one or more preexisting concrete compositions having the same 28-day design compressive strength and similar slump by optimizing the ratio of fine aggregate to coarse aggregate. The concrete composition is further characterized by high cohesiveness, resulting in relatively little or no segregation or bleeding. | 06-25-2009 |
20090158969 | CONCRETE OPTIMIZED FOR HIGH WORKABILITY AND HIGH STRENGTH TO CEMENT RATIO - A concrete composition having a 28-day design compressive strength of 4000 psi and a slump of about 5 inches is optimized to have high workability and a high strength to cement ratio. The concrete composition contains about 375 pounds per cubic yard hydraulic cement (e.g., Portland cement), about 113 pounds per cubic yard pozzolanic material (e.g., Type C fly ash), about 1735 pounds per cubic yard fine aggregate (e.g., FA-2 sand), about 1434 pounds per cubic yard coarse aggregate (e.g., CA-11 state rock, ¾ inch), and about 294 pounds per cubic yard water (e.g., potable water). Workability and strength to cement ratio were increased compared to one or more preexisting concrete compositions having the same 28-day design compressive strength and similar slump by optimizing the ratio of fine aggregate to coarse aggregate. The concrete composition is further characterized by high cohesiveness, resulting in relatively little or no segregation or bleeding. | 06-25-2009 |
20090314186 | Retentive concrete material - A concrete material with fastener retentive qualities that can be varied to approximate the fastening holding characteristics of a selected variety of wood species or composite wood products comprising a mixture of cement binder, aggregate, and pliable material in the following volumetric ratio of approximately one-half (½) to one (1) part cement binder to approximately two (2) parts aggregate to approximately two (2) to five (5) parts pliable additive material. Cement binder can be Portland Cement, fly ash, slag and a combination thereof. Aggregate can be sand, gravel, stone, crushed rock, and a combination thereof. Pliable material can be plastic, cellulose, crumb rubber, and a combination thereof in pelletized, grannular or powdered form. | 12-24-2009 |
20100313794 | PRODUCTION OF CARBONATE-CONTAINING COMPOSITIONS FROM MATERIAL COMPRISING METAL SILICATES - Provided are methods for producing carbonate-containing compositions comprising silicon-based material (e.g., pozzolanic material) from a source of carbon dioxide, a divalent cation-containing solution, and a source of proton-removing agents. In such methods, divalent cations of the divalent cation-containing solution are provided by digestion of material comprising metal silicates. Also provided are methods for producing carbonate-containing compositions comprising little or no silicon-based material. In such methods, silicon-based material (e.g., silica, unreacted or undigested silicates, aluminosilicates, etc.) may be separated and processed separately from carbonate-containing compositions. Silicon-based material and carbonate-containing material may be blended at a later stage to produce a pozzolanic material, which may be further processed and blended with, for example, Portland cement. | 12-16-2010 |
20100313795 | HIGH EARLY STRENGTH POZZOLAN CEMENT BLENDS - A high early strength pozzolan cement includes larger sized pozzolan particles blended with smaller sized hydraulic cement particles containing tricalcium silicate and/or dicalcium silicate (e.g., Portland cement). Excess calcium release from the hydraulic cement when mixed with water forms calcium hydroxide available for reaction with the pozzolan. The fineness of the hydraulic cement particles is substantially greater than the fineness of the pozzolan particles (e.g., about 1.25 to about 50 times greater). Reducing or eliminating coarse hydraulic cement particles that cannot fully hydrate but include unreacted cores reduces or eliminates wasted cement normally found in concrete. Replacing some or all of the coarse cement particles with pozzolan particles provides a pozzolan cement composition having significantly lower water demand compared to the hydraulic cement by itself. | 12-16-2010 |
20110290154 | CEMENTITIOUS COMPOSITION INCORPORATING HIGH LEVELS OF GLASS AGGREGATE FOR PRODUCING SOLID SURFACES - A cementitious composition for high density, low porosity sheet-form building materials having solid surfaces is comprised of cement, pozzolans, and a high percentage of fine and/or coarse glass aggregate. | 12-01-2011 |
20120260828 | Methods and Compositions Comprising Kiln Dust and Metakaolin - The present invention provides settable compositions and methods of using settable compositions that comprise a hydraulic cement; a partially calcined kiln feed comprising SiO | 10-18-2012 |
20120304894 | REDUCTION OF CARBON DIOXIDE IN THE MANUFACTURING OF COMPOSITE CONSTRUCTION MATERIALS - Disclosed are a system, a method and/or composition of reduction of carbon dioxide in the manufacturing of cement and concrete. In one embodiment, a method of producing a concrete, includes preparing a dried powder mixture of an alkali hydroxide, a sodium silicate, clay and a pozzolanic material. The dried powder with water may be reacted to form a cement paste. In addition, the cement paste may be mixed with at one of sand, an aggregate, a plasticizer and a nano additive to form the concrete. | 12-06-2012 |
20120312194 | SYNTHETIC FORMULATIONS AND METHODS OF MANUFACTURING AND USING THEREOF - A method for producing a reaction product including at least one synthetic formulation that carbonates sufficiently, said method comprising: providing a first raw material, having a first concentration of M; providing a second raw material, having a second concentration of Me; and mixing the first raw material and the second raw material to produce a reaction product that includes at least one synthetic formulation having the general formula M | 12-13-2012 |
20120318173 | COMPOSITION FOR BUILDING MATERIAL AND A PROCESS FOR THE PREPARATION THEREOF - The present invention provides a composition and a process for the preparation of chemical activated cold setting fly ash building construction materials. The chemical activator is an alkaline aqueous solution of 11.2 to 13.6 in pH and 1.25 to 1.40 gm/cc in density which contains admixtures of different concentrations of hydroxyl, sulfate, acetate and chloride bearing chemical salts of calcium, magnesium, sodium, potassium and aluminum in water medium. The reaction of chemical activator solution and the mineral constituents of fly ash mix develop binding property. The binding matrix of chemical activated fly ash mix is mostly hydrous silica and silicate group of phases which on setting under atmospheric condition attains strength suitable for building construction application. Utilization of fly ash of any source by weight ranges from 80 to 99% in manufacture of building materials including heat and acid resistance and toxic waste disposal products. | 12-20-2012 |
20130008352 | Methods and Compositions Comprising Cement Kiln Dust Having an Altered Particle Size - Methods and compositions are disclosed that comprise cement kiln dust having a mean particle size that has been altered. An embodiment discloses a method of preparing cement kiln dust comprising: providing cement kiln dust having an original particle size; and altering the mean particle size of the cement kiln dust from the original size by grinding, separating, or a combination thereof. Another embodiment discloses a well treatment fluid comprising: cement kiln dust having a mean particle size that has been altered from its original size by grinding, separating, or a combination thereof; and water. | 01-10-2013 |
20130061779 | Settable Compositions Comprising Unexpanded Perlite and Methods of Cementing in Subterranean Formations - An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water. | 03-14-2013 |
20130068140 | CEMENT COMPOSITION AND PROCESS FOR PRODUCING CEMENT COMPOSITION - A cement composition, and a process for producing a cement composition, wherein the cement composition has the Sr content of 0.065 mass % to 1.0 mass % and the MgO content of greater than 1.0 mass % to 3.0 mass %. The process for producing a cement composition comprises a step (A) of adjusting the basic raw material units of raw materials selected from the group consisting of limestone, silica stone, coal ash, clay, blast furnace slag, soil generated by construction work, sewage sludge, hydrocake and iron sources so that the cement composition has the Sr content of 0.065 mass % to 1.0 mass % and the MgO content of greater than 1.0 mass % to 3.0 mass %, blending the adjusted raw materials and burning to produce cement clinker, and a step (B) of mixing the cement clinker with gypsum and an admixture of limestone and blast furnace slag followed by grinding. | 03-21-2013 |
20130081557 | 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. | 04-04-2013 |
20130167756 | Concrete compositions and methods - Provided herein are compositions, methods, and systems for cementitious compositions containing calcium carbonate compositions and aggregate. The compositions find use in a variety of applications, including use in a variety of building materials and building applications. | 07-04-2013 |
20130192494 | HYDRAULIC SETTING MIXTURE FOR MATERIALS HAVING "EASY-TO-CLEAN" PROPERTIES - The present invention relates to a hydraulic setting mixture comprising: a) 6% to 25% by weight of cement, b) 50% to 90% by weight of at least one aggregate, and c) 0.001% 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 hydraulic setting mixture of the invention for producing materials, more particularly components, concrete articles or mouldings, for example as face concrete, where the surface of the materials exhibits only relatively low soiling tendency (“easy-to-clean” property) even on abrasion. | 08-01-2013 |
20130233208 | METHOD FOR MANUFACTURING OF SUPPLEMENTARY CEMENTITIOUS MATERIALS (SCMS) - The method includes subjecting the pozzolans in crushed state to a high energetic mechanical processing by grinding in a grinding equipment, whereby the pozzolan particles receive mechanical impulses, and the grinding is carried out for a predetermined time resulting in a compressive strength of a 2 inch side cube of mortar having 80% Portland cement and 20% natural pozzolan in a ratio of 1:2.75 to standard sand and in addition water required to obtain a flow of the mortar according to American standard ASTM C 109, which has been properly compacted under vibration and hardened at +20° C. in sealed condition, which after 28 days is ≧75% of the compressive strength of a 2 inch side cube, treated as the cube, of a mortar having a ratio of Portland cement:sand of 1:2.75 and water corresponding to 48.5% of the weight of Portland cement. | 09-12-2013 |
20140007796 | ENCAPSULATED ZINC COMPOUNDS AND METHODS FOR PREPARING AND USING SAME - Disclosed are encapsulated zinc compounds, together with methods for preparing and use the same. Also disclosed are methods for mixing the encapsulated zinc mixtures with a cement, and the resulting concrete compositions. | 01-09-2014 |
20140116296 | BUILDING MATERIAL PRODUCED FROM A COMBINATION OF NATURAL PRODUCTS AND ASHES OF DECEASED PETS AND/OR HUMANS - A method can use the ashes of pet or human remains and combining them with natural materials and chemical stabilizers to form, under high pressure, strong building materials. These internment blocks can be formed in an unlimited variety of shapes and weights and can be used to build permanent structures. The ashes are forever protected from the elements and are in a final resting place as part of the memorial structure. The building blocks require zero perpetual care and can last up to or beyond 1000 years. The building blocks can be designed into a lasting memorial of the size and scope desired. In their final cured state, the building blocks can be as hard as stone and impervious to moisture. | 05-01-2014 |
20140245930 | SOLIDIFYING SLUDGE - Embodiments provided herein relate to removing liquid from soil or other moisture rich media. In some embodiments, a method for solidifying sludge is provided and involves providing a sludge, fluidizing the sludge to form a fluidized sludge, adding a gelling agent to the fluidized sludge in an amount sufficient to form a slurry, and adding a dewatering agent to the slurry in an amount sufficient to dewater the slurry, thereby solidifying the sludge. | 09-04-2014 |
20140338570 | CONCRETE MIX AND PRODUCTS INCLUDING RECYCLED PORCELAIN - A concrete mix for use in forming molded concrete end products is disclosed. The concrete mix includes treated porcelain kernels, cement and sand. The treated porcelain kernels are formed from recycled and currently unusable porcelain products. The porcelain products are crushed and processed to create porcelain kernels having a desired size. The porcelain kernels having the desired size are mixed with cement and sand and the concrete mix is packaged for subsequent use. The concrete mix including the porcelain kernels formed from recycled porcelain products allows the porcelain end products to be recycled while providing concrete products that have lighter weight and greater flame resistance. | 11-20-2014 |
20150090161 | Light-Weight Composition and Mix for Masonry, Mortar and Stucco - A pre-mixed mortar, stucco or masonry composition includes from 30 percent to 72 percent masonry sand by weight, from 20 percent to 50 percent concrete sand by weight, from 15 percent to 20 percent slag cement by weight, from 1 percent to 4 percent acetic acid by weight, from 3 percent to 10 percent fly ash by weight, from 1 percent to 5 percent clay bentonite by weight, from 1 percent to 5 percent calcium oxide by weight, and from 3 percent to 10 percent sodium carbonate by weight. | 04-02-2015 |
20150144029 | BENTONITE MODIFIER, MODIFIED BENTONITE, AND USE THEREOF - The present disclosure relates to a bentonite modifier, comprising a water-soluble thiosulfate, a water-soluble alcohol compound, and a water-soluble amine compound, wherein the amounts of thiosulfate, the alcohol compound, and the amine compound are in the ratio of (0.3˜1):(0.3˜1):(0.3˜1). The present disclosure further relates to a bentonite-containing cement additive capable of resisting permeation and salt corrosion, comprising bentonite and said modifier, wherein the content of the bentonite modifier is 0.2˜5% of the bentonite by weight. Meanwhile, the present disclosure also provides use of the modified bentonite. | 05-28-2015 |
20150315078 | CONCRETE MATERIALS WITH MODIFIED RHEOLOGY, METHODS OF MAKING, AND USES THEREOF - A composition, in the form of a concrete, cement paste, mortar or intermediate thereof, comprising one or more cementitious binder materials present in an amount ranging from 0.5% to 75% by weight of the composition, attapulgite present in an amount ranging from 0.01% to 1.00% by weight of the composition, and optionally water. Although subject to many uses, in some embodiments, the composition is suitable for applications in need or desire of self-consolidating concretes (SCCs), precast concrete, shotcrete, and the like. Although makeable by multiple methods, in some embodiments, the composition is made by mixing the component ingredients. In some embodiments, the composition has one or more properties chosen from superior aggregate suspension, eliminated segregation, improved workability, improved flowability, improved pumpability—or improved overall performance—of concretes. | 11-05-2015 |
20160031758 | CEMENT ADDITIVES PRODUCED BY COMBUSTION OF COAL WITH CLAY AND SLAG - Coal is combusted in the presence of a clay additive and a slag additive to produce a combustion product that is useful as a pozzolanic additive for cement. The combustion process may be performed in a coal-fired boiler of an electrical power generation plant, resulting in improved operational efficiency and controlled emissions. | 02-04-2016 |