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7501021 |
Rheology modifier
Disclosed is a powdery rheology modifier containing an anionic aromatic compound, a cationic surfactant, and an inorganic powder having a specific surface area of 5000 cm 2 /g or more.
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7468102 |
Light-weight composition for masonry, mortar and stucco
An application for a cement composition includes a cement (either Portland cement or hydraulic cement), hydrous magnesium silicate, sodium tall oil, sodium stearate, sodium C14-16 Alpha Olefin,...
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7395860 |
Methods of using foamed settable compositions comprising cement kiln dust
The present invention provides settable compositions that comprise water and cement kiln dust. The settable compositions optionally may comprise an additive that comprises at least one of the...
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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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7293941 |
Methods for cementing using compositions containing salts
Disulfonate salts of 2,4-pentanedione and methods for making such salts are described. The disulfonate salts are useful as cement dispersants. Cement compositions including such salts, methods for...
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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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7258738 |
Cementing compositions including salts
Disulfonate salts of 2,4-pentanedione and methods for making such salts are described. The disulfonate salts are useful as cement dispersants. Cement compositions including such salts, methods for...
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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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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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7052543 |
Permeable cement composition and method for preparing the same
The current invention provides an improved permeable cement composition for formation of downhole sand screens. The improved composition includes an effective amount of a surfactant. Addition of...
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7048793 |
Beneficiated water reducing compositions
Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic...
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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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6989424 |
Curing agent component for an at least two-component mortar composition, method of preparing it and its use
A curing agent component is described for an at least two-component mortar composition for the chemical fastening technique, containing at least one free radical-forming agent as curing agent for...
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6989057 |
Zeolite-containing cement composition
A method and cement composition is provided for sealing a subterranean zone penetrated by a well bore, wherein the cement composition comprises zeolite, cementitious material, and water sufficient...
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6982000 |
Cement compositions including silane treated amorphous silica
The present invention provides improved cement compositions comprising hydraulic cement, silica hydrophobicized with a mixture of organosilicon compounds and water.
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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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6926837 |
Process for the treatment of waste materials
The invention relates to a mixture and a process for the treatment of waste materials and the use of the mixture for the treatment of waste materials and waste material treated therewith. The...
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6916369 |
Beneficiated water reducing compositions
Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic...
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6878200 |
Mortar or concrete composition
In a cold-curing mortar or concrete composition comprising calcareous and siliceous materials as predominant components, 0.3-2.5 wt % based on the calcareous material of a silicone oil having...
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6869476 |
Waterproof admixture composition for concrete having excellent anti-corrosive performance
Disclosed herein is a waterproof admixture composition for concrete which is added to fabricate concrete having excellent anti-corrosive performance. The waterproof admixture composition can...
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6849118 |
Admixture for minimizing the presence of surface dust on cement and concrete structures
An admixture for minimizing or preventing dust on surfaces of cured cement and concrete structures comprises a shrinkage reducing additive in combination with a fatty alcohol. Cementitious...
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6843846 |
Methods and compositions for cementing subterranean zones
Methods and compositions for cementing subterranean zones penetrated by well bores are provided. The methods are basically comprised of the steps of providing a cement composition which comprises a...
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6797049 |
Mixture for the treatment of waste materials
The invention relates to a mixture and a process for the treatment of waste materials and the use of the mixture for the treatment of waste materials and waste material treated therewith. The...
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6767399 |
Admixture for producing cementitious compositions having good fluidity and high early compressive strength
The present invention is an admixture for cementitious compositions that provides both good flowability and high early strength as is desired in the art. The admixture of the invention includes a...
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6761765 |
Admixture for cementitious compositions
An admixture for cementitious compositions for imparting water repellant properties to the cementitious composition. The admixture comprises a polymer, a surfactant, and a hydrophobic material that...
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6740155 |
Method of delaying the set time of cement and the compositions produced therefrom
The invention pertains to a method of delaying the set time of cement and to compositions produced therefrom. The set time of hydraulic cement mixtures of fly ash pozzolans, specifically Class C...
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6739806 |
Cement compositions with improved fluid loss characteristics and methods of cementing in subterranean formations
The present invention provides cement compositions comprising an improved fluid loss control additive, and methods for cementing in a subterranean formation using such cement compositions. The...
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6716282 |
Methods and oil-based settable spotting fluid compositions for cementing wells
Oil-based settable spotting fluid compositions for cementing in wells and subterranean formations are provided. The oil-based settable spotting fluid compositions basically comprise an oil external...
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6702890 |
Process for the production of fly ash slurry
The present invention describes an improved method for forming fly ash slurry by mixing fly ash and water with an additive containing 0.5-2 wt % ammonium salt of humic acid and 0.03 to 0.05 wt %...
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6669773 |
Fly ash/mixed plastic aggregate and products made therefrom
The present invention is directed at a synthetic lightweight aggregate composition comprising fly ash and a mixture of two or more polymer components. More specifically, the present invention is...
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6641649 |
Fire resistant compositions
An aqueous fire resistance treatment composition consisting of water, sodium silicate, a calcined filler and a latent acid catalyst is disclosed. The composition may be applied to cardboard...
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6641660 |
Stable well cementing methods and compositions
The present invention provides stable well cementing methods and compositions for sealing subterranean zones penetrated by well bores. The improved thermally stable and degradation resistant well...
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6641658 |
Rapid setting cementitious composition
A rapid setting cementitious composition useful for making cement boards employs an insoluble form of anhydrous calcium sulfate (anhydrite) to accelerate setting and to permit reducing the amount...
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6638355 |
Synthetic aggregate and method of producing the same
A synthetic aggregate having a multiplicity of uses such as for mixing with a cementing material to form concrete, mortar or plaster is disclosed. The aggregate includes crushed fragments of a size...
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6554894 |
Masonry cement composition and method of making
A masonry cement composition is provided which contains a blend of fly ash, Portland cement, a retarding agent, and an air entrainment agent. The masonry cement composition may be formed into a...
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6524384 |
Oil-based settable spotting fluid
Oil-based settable spotting fluid compositions and methods of using the compositions are provided. The oil-based settable spotting fluid compositions are basically comprised of oil, an emulsifying...
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6464776 |
Dusting-inhibited cement composition improved in strength
The present invention provides a dusting-inhibited cement composition, which hardly forms dust and further capable of improving strength of concrete or mortar obtained therefrom. A...
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6398865 |
Cement composition
A cement composition comprising (A) hydraulic cement, (B) a silicone oil emulsion containing crosslinked silicone particles with an average particle size of from 0.05 μm to 100 μm in drops of...
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6387176 |
Multipurpose cement dispersing polymers for high flow and high strength concrete
A new category of multi-purpose polymers is presented, the polymers being capable to serve as a cement dispersing agent and which at the same time are set-accelerating and do have shrinkage...
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6332921 |
Cement compositions and methods for high temperature wells containing carbon dioxide
The present invention provides light weight high temperature well cement compositions and methods. The compositions are basically comprised of calcium aluminate, ASTM class F fly ash and water.
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6324802 |
Swimming pool interior finish
A composition designed to produce cementitious interior finishes for swimming pools, spas and fountains includes one or more aggregates, and cement for binding the aggregates. The composition...
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6277189 |
Coal combustion by-products-based lightweight structural materials and processes for making them
Mortar mixes comprising as a major part, Class F fly ash and fluidized bed combustion ash in amounts and proportions sufficient to reduce the negative effects of the presence of unburned carbon in...
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6231663 |
Method for new concrete from old concrete
A method is described for making concrete mixture by blending new batch cement and fly ash with recycled concrete material (curb & gutter, sidewalk, brick, block, asphalt & various other concrete...
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6221001 |
Fly-ash slurry with solidification retardant
A method using retardant to inhibit solidification of slurried fly ash particles that were collected on a collection surface. The slurried particles are transported in a pipeline to a collection or...
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6170575 |
Cementing methods using dry cementitious materials having improved flow properties
Cement compositions and methods of cementing within subterranean formations penetrated by well bores wherein the flow properties of one or more dry particulate cementitious materials are improved...
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6153005 |
Foamed concrete composition and process
The present invention describes fluorochemical foam stabilizers used in combination with surfactants to yield foams that are exceptionally stable in cementitious media. The stabilized foams that...
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6138759 |
Settable spotting fluid compositions and methods
Improved settable spotting fluid compositions and methods are provided. The settable spotting fluid compositions are basically comprised of a hydraulic settable component comprised of fly ash, a...
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6099638 |
Cement composition for modeling
This invention relates to a cement or cementitious composition with synthetic or natural fibers and/or microfibers with caliber or gauge smaller than 0.0508 mm (2 mils), in a proportion from 0.2 to...
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6080234 |
Composite concrete
An ultra-high performance composite concrete, with low cement and fiber content and having good mechanical properties as well as good impacts, shocks and projectile protection properties, includes...
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