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7582158 |
Controlled low strength flowable fill composition with iron chelating compounds
A rapid setting, controlled low strength composition of Class C fly ash is provided having a quantity of hydrated lime and an iron chelating compound in an amount sufficient to accelerate the...
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7578881 |
Electrically conductive concrete and controlled low strength materials having spent carbon sorbent
Compositions are provided for increasing the electrical conductivity of concrete or controlled low-strength materials (flowable fill). One composition sets to produce a concrete and includes...
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7575629 |
Pollutant emission control sorbents and methods of manufacture
Sorbents for removal of mercury and other pollutants from gas streams, such as a flue gas stream from coal-fired utility plants, and methods for their manufacture and use are disclosed. The methods...
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7494543 |
Concrete compositions
A concrete for making articles such as fixtures, furniture and other accoutrements having high compressive and resistive strengths, good machining, cutting and abrasion resistance properties and an...
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7485184 |
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,...
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7478675 |
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...
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7462310 |
Porous landscape pebble and method of manufacturing the same
Fly ash containing unburned carbon of at least 10 wt % is pelletized using water as a binder without substantial addition of an inorganic binder, into unsintered particles each having an average...
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7462235 |
System and method for decomposing ammonia from fly ash
A system and method for decomposing ammonia from fly ash contaminated with ammonia is provided which includes maintaining the temperature of a bed of ammonia-contaminated fly ash at a decomposition...
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7459019 |
Cement compositions for high temperature applications
In a process to design high temperature cement sluries, the temperature stable phases (anorthite, wairakite) are selected; aluminum modifiers and silica oxides are added to the dry cement so that...
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7445668 |
Hydraulic binder having low CO2 emission level
The invention relates to a hydraulic binder containing, in percentage by weight:
from 1.1 to 9% of tricalcium aluminate from 1.5 to 13.5% of tetracalcium ferroaluminate from 0.5 to 1.5% of...
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7442248 |
Cementitious composition
Cementitious compositions comprising pozzolonic materials, alkaline earth metals, and a catalyst to catalyze the reaction between the pozzolonic materials and the alkaline earth metals.
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7438756 |
Method of improving material comprising a pozzolanic component
The invention relates to a method of improving a material comprising a pozzolanic component. According to the invention the material is treated with an aqueous liquid resulting in treated,...
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7438500 |
Erosion resistant barrier with varying permeabilities
The invention relates to a barrier cap material including a blend of: a plurality of aggregate particles, and a plurality of manufactured composite particles including a hydratable sealant...
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7419544 |
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...
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7413014 |
Foamed fly ash cement compositions and methods of cementing
Methods of cementing and low density foamed cement compositions therefor are disclosed. A low density foamed cement composition of the invention comprises fly ash comprising calcium oxide or...
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7407546 |
Method of removing ammonia from fly ash and fly ash composition produced thereby
A method of treating fly ash and fly ash treated thereby, the method involving contacting ammonia-laden fly ash with an organic base-containing treatment composition, where the organic base causes...
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7407545 |
Cementitious veneer and laminate material
A cementitious veneer and laminate composition is provided. The cementitious laminate composition includes a substrate, a primer layer applied to the substrate, the primer layer comprising a...
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7396402 |
Coatings for building products and dewatering aid for use with same
A dewatering aid for a slurry coating on a building product in which a coating formulation includes an hydraulic binder. A slurry is produced from said binder and dewatering aid and applied to the...
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7347895 |
Flexible hydraulic compositions
A composition for making flexible articles includes a hydraulic component of at least 50 weight % fly ash, a water-soluble, film-forming polymer and water. Articles are made from this composition...
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7344592 |
Controlled low strength flowable fill composition with iron chelating compounds
A rapid setting, controlled low strength composition of Class C fly ash is provided having a quantity of hydrated lime and an iron chelating compound in an amount sufficient to accelerate the...
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7323021 |
Ash reactivation
Sulphur control in fluidized bed combustion systems often involves adding a source of calcium to the combustor so that the calcium may combine with the sulphur. Ash resulting from such combustion...
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7320730 |
Subterranean fluids and methods of using these fluids in subterranean formations
Subterranean fluids comprising a hydraulic cement in an invert emulsion, and methods of using such fluids in subterranean well cementing operations, are provided. The fluids comprise a hydraulic...
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7320729 |
Water resistant stucco product
A water and flame resistant dry mix stucco is disclosed. The dry mix stucco includes water and flame resistant materials as an integral part of the mixture. The dry mix stucco is combined with...
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7316742 |
Subterranean fluids having improved environmental characteristics and methods of using these fluids in subterranean formations
Subterranean fluids are provided that have improved environmental characteristics, and more particularly, subterranean fluids are provided that include a hydraulic cement in an invert emulsion....
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7288148 |
Rapid hardening hydraulic cement from subbituminous fly ash and products thereof
A rapid hardening hydraulic cement is provided that is made substantially exclusively from a subbituminous fly ash with no portland cement or other strengthening aid.
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7264673 |
Manufacture of articles from fly ash
The present invention provides a method of forming a shaped article having a matrix that contains sintered fly ash. The method comprises the step of blending fly ash together with water to produce...
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7247201 |
Pre-blend cement compositions containing non-chloride accelerators
The present invention relates to pre-blend cement for general-purpose concrete construction containing Class-F fly ash, Class-C fly ash or slag, and less than about 5 percent (w/w) of sodium...
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7204880 |
Rapid setting cement
A cement formula including mono potassium phosphate, mono ammonium phosphate, magnesia, and fly ash exhibits rapid setting and high strength characteristics.
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7160383 |
Composition and application of novel sprayable phosphate cement (grancrete) that bonds to styrofoam
A dry mix particulate composition of a calcined oxide of Mg and/or Ca, an acid phosphate, and fly ash or equivalent, wherein the calcined oxide is present in the range of from about 17% to about...
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7101430 |
Masonry, mortar, and stucco cement compositions
This invention pertains to a process of making ASTM quality masonry cement, mortar cement, and stucco cement (also called plastic cement) and to the products themselves which are useful in making...
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7094287 |
Liquid composition additive to reduce curing time of surface coatings
A liquid composition, active curing additive for water or solvent borne surface coatings and sealants such: latex products, paints, putties, caulks, sports track and court construction, asphalt or...
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7067001 |
Drainage composition and uses thereof
A drainage composition comprising 1000 to 1500 kg/m3 of aggregate; 100 to 350 kg/m3 of cement; 0 to 100 kg/m3 of fly ash; and 0.2 to 0.6 kg/m3 of fibrous material.
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7063739 |
Liquid composition additive to reduce drying time of surface coatings
A liquid composition additive for surface coatings such as paint or coal tar asphalt sealant is provided. The additive functions to significantly reduce the amount of time required for the surface...
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7033430 |
Cement-containing compositions and method of use
A settable fluid cementitious composition which is fluid for sufficient time to be suitable for use in a flexible container to provide support in a mine said composition comprises (i) Portland...
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7008478 |
Composite of consolidation-hardening pile for soft ground
The present invention relates to a composite of consolidation-hardening pile for soft ground and in which a composition ratio of an aggregate:a quicklime:an additive is 50–60 wt %:20–25 wt...
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6960253 |
Method of forming hydraulic cement protective coatings
Dry mixes for hydraulic cement coatings for masonry, above ground concrete structures and below ground concrete structures. Hydraulic cement, sand and particular aggregates are combined to form the...
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6939401 |
Settable composition containing potassium chloride
The present invention relates to settable compositions for general purpose concrete construction containing Class-F fly ash, Class-C fly ash and/or slag, and potassium chloride (KCl) as a...
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6907994 |
Process for converting wet fly ash into dry useful industrial products
There is provided a process for converting wet fly ash into a useful product such as cement replacement or industrial filler. A first amount of wet fly ash is provided. The wet fly ash is fed into...
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6893751 |
Composite product
A composite product comprising a substrate layer and one or more functional layers applied thereto. The slurry is applied to the substrate layer to form a functional layer and the functional layer...
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6890507 |
Ozone treatment of fly ash
Carbon-containing fly ash has been treated with optimum amounts of ozone. There is homogenous treatment of the fly ash with ozone and over saturation with ozone is avoided. In a further embodiment...
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6890382 |
Self-leveling cement mix for filling up and sealing diggings of channels, trenches, sewages and the like and for building works in general
A self-leveling cement mix employed for filling up and sealing excavations of channels, trenches, sewages and the like and for building works of various kinds. The cement mix includes large-sized...
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6860935 |
Multiple scale cement composite with positive and ductile setting in uniaxial tension
The invention relates to a fiber/cement composite, the cementitious matrix of which has a water/binder ratio of less than 0.25 and consisting of cement, aggregate elements, fine pozzolanic elements...
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6846357 |
Methods of cementing high temperature wells and cement compositions therefor
The present invention light weight high temperature well cement compositions and methods. The compositions are basically comprised of calcium aluminate, ASTM class F fly ash, sodium polyphosphate,...
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6832652 |
Ultra low density cementitious slurries for use in cementing of oil and gas wells
The storable, low-density, hydraulically-active, cementitious slurry of the invention is suitable for cementing within a subterranean formation for oil or gas wells. The low-density slurry...
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6818058 |
Method for the treatment of fly ash
A method for treatment of fly ash for incorporation into and for preparation of mortars and concretes. Fly ash is intensively blended with a highly reactive and dry cement mixture that is obtained...
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6814798 |
Storable water-microsphere suspensions for use in well cements and methods
Storable water-microsphere suspensions for use in well cements and methods of cementing well bores are provided. The storable water-microsphere suspensions are basically comprised of water,...
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6808562 |
Stable consolidated combustion ash material
This invention discloses a system for cold bond processing of combustion ash which enhances various characteristics of the resulting cured consolidated combustion ash materials. Specifically, the...
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6802898 |
Method for preparing fly ash for high compressive strength concrete and mortar, and compositions thereof
The present invention relates to concrete, mortar and other hardenable mixtures comprising cement and fly ash for use in construction. The invention relates to hardenable mixtures comprising cement...
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6802896 |
Concrete aggregate
The present invention relates generally to a method of forming a lightweight fly ash aggregate together with the resultant fly ash aggregate. The invention further relates to various aspects of the...
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6790264 |
Control of ammonia emission from ammonia laden fly ash in concrete
The present invention relates to a pozzolanic admixture containing ammonia-laden fly ash, method for making the pozzolanic admixture and method for controlling ammonia gas (NH 3 ) emission from...
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