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7559987 |
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...
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7501018 |
Chemically bonded biomaterial with tailored properties
A chemically bonded biomaterial element composed of an inorganic cement, exhibiting minimal dimensional changes upon hardening and long-time use, improved mechanical properties and improved...
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7473311 |
Cementitious composition
The invention is an improved cementitious mixture used to form structural components that are strong, lightweight, heat and fire resistant, and very economical to produce. The material includes a...
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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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7427321 |
Foamed fireproofing composition and method
Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and...
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7390356 |
Compositions for high temperature lightweight cementing
Compositions for performing cementing operations in a subterranean zone under high temperature conditions have a density of less than about 10.5 pounds per gallon, and include calcium aluminate,...
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7381263 |
Cement compositions comprising high alumina cement and cement kiln dust
The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas....
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7351281 |
Powdered material and ceramic material manufactured therefrom
Powdered material, the binder phase of which mainly consists of a cement-based system, which powdered material has the capacity following saturation with a liquid reacting with the binder phase to...
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7337842 |
Methods of using cement compositions comprising high alumina cement and cement kiln dust
The present invention provides cement compositions that comprise water, high alumina cement, a soluble phosphate, and cement kiln dust. The cement compositions optionally may be foamed with a gas....
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7326478 |
Cement binder based plate
The invention concerns a plate whereof the body comprises a binder containing Portland cement, a sulphoaluminous clinker and a calcium sulphate source: the binder comprises, by weight 30 to 80% of...
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7303015 |
Cementitious compositions containing interground cement clinker and zeolite
Methods and compositions for wellbore treating fluids, especially cementitious compositions that include interground cement clinker and zeolite, with and without gypsum.
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7244301 |
Heat generating biocompatible ceramic materials
An injectable heat generating biocompatible ceramic compositions based on hydraulic calcium aluminate, which can be used for therapeutic treatment in vivo, such as tumour treatment, pain control,...
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7241338 |
Sprayable, strain-hardening cementitious compositions
Sprayable fiber reinforced hydraulically setting mortars exhibit strain hardening behavior, and comprise hydraulically setting cement, less than 4 weight percent matrix interactive fibers, a...
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7219733 |
Zeolite compositions for lowering maximum cementing temperature
Zeolite compositions having a low maximum setting temperature for use in permafrost and waterwell applications are provided.
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7208040 |
Ettringite binder for dense mortar, comprising calcium sulphates and a mineral compound of calcium aluminates
The invention relates to an ettringite binder for dense mortar, comprising calcium sulphates and a calcium aluminate mineral compound, the calcium aluminate mineral compound comprising calcium C...
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7150786 |
Very early setting ultra-high strength cement
Clinkered materials containing high concentrations of {(C,K,N,M) 4 (A,F,Mn,P,T,S) 3 (cl,{overscore (S)})} (crystal X), and {(C 2 S) 3 (C{overscore (S)}) 3 Ca(f,cl) 2 } or {(C 2 S) 3 (C{overscore...
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7070647 |
Cement composition
A novel cement is alkalescent, capable of solidifying a wide range of soil and applicable to biological environment. The cement composition contains 100 parts by weight of magnesium oxide, 5 to 25%...
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7029527 |
Quick binder for self compacting concrete, use and application of same
A binder for self-compacting concrete includes, in dry weight of the-binder, 70 to 90% of Portland cement, 4 to 16% of calcium aluminate, 4 to 14% of calcium sulphate, an accelerator and a...
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7025824 |
Ceramic material and process for manufacturing
A chemically bonded ceramic material based on calcium aluminate hydrate with additives of primarily calcium titanate, but also chemically similar compounds. The material is a biocompatible material...
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6997984 |
Cement admixture
A burned product containing 100 parts by weight of C 2 S, 10 to 100 parts by weight of C 2 AS, and 20 parts by weight or less of C 3 A; a cement admixture prepared by grinding the burned product;...
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6969424 |
Method of producing a chemically bound ceramic product, and product
Method for the production of a chemically bound ceramic material by means of reaction between a binding phase of one or more powdered binding agents and a liquid reacting with these binding agents,...
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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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6926769 |
Cementitous compositions and a method of their use
A settable composition comprising (i) a cementitious component comprising at least 25% of calcium aluminate of which at least 40% is calcium monoaluminate said cementitious component optionally...
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6923857 |
Non-efflorescing cementitious bodies
A non-efflorescing cementitious body is formed from sources of calcium aluminate, calcium silicate, calcium sulphate and reactive silica, these ingredients being present in such relative...
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6846358 |
Fire door core
The present invention describes an improved building material composition, useful for example as a fire door core and to improved methods of making this composition. The building material of the...
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6818057 |
Retarder for calcium sulfoaluminate cements
When hydrated, calcium sulfoaluminate cements form ettringite. A retarder which retards this reaction is at least one of phosphono alkyl carboxylic acid and a salt of a phosphono alkyl carboxylic...
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6776839 |
Slag cement
A slag cement having an improved early strength and containing aluminosilicates, blast furnace slag, clinker and CaSO 4 , has a content of 70 to 95% by weight of blast furnace slag used in the...
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6758896 |
Rapid hardening, ultra-high early strength portland-type cement compositions, novel clinkers and methods for their manufacture which reduce harmful gaseous emissions
Clinkered materials containing high concentrations of {(C,K,N,M) 4 (A,F,Mn,P,T,S) 3 Cl,{overscore (S)})}(crystal X), and {C 2 S) 3 (C{overscore (S)}) 3 Ca(f,Cl) 2 } or C 9 S 3 {overscore (S)} 3...
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6730162 |
Hydraulic binder resulting from mixing a sulfate binder and a binder comprising the mineral compound C4A3{overscore (S)}
The present invention relates to a method of preparing a hydraulic binder wherein at least the following two binders are mixed together: a) a first hydraulic binder having as one of its main...
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6695910 |
Sulfoaluminous clinker without iron and without free lime, its process of preparation and its use in white binders
The lightly colored sulfoaluminous clinker contains: more than 55% by weight of calcium sulfoaluminate phase (C 4 A 3 S), more than 10% by weight of belite phase (C 2 S), less than 10% by weight of...
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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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6537365 |
Cement clinker, cement composition, method for producing cement clinker, and method for treatment of waste containing alkali component
Cement clinker, characterized in that it comprises Al 2 O 3 and Fe 2 O 3 wherein the mass ratio of Al 2 O 3 /Fe 2 O 3 is 0.05-0.62, and alkali components and C 2 S wherein the content Y (mass %)...
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6488764 |
Cement composition with polymeric latexes prepared in the presence of amps seed
A cement composition comprising a polymeric latex prepared by aqueous emulsion polymerization of a monomeric mixture comprising styrene and butadiene in the presence of a seed polymer prepared by...
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6447596 |
Bonded aggregate composition and binders for the same
Bonded aggregate compositions such as concrete, concrete repair products, high temperature refractories, high temperature insulation and fire resistant insulation are made from an aqueous solution...
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6447597 |
Hydrated calcium aluminate based expansive admixture
An additive, a mixture incorporating the additive and a method of formulating a mortar incorporating the additive. The additive is based on calcium sulfoaluminate composed of C 3 AH 6 and CAH 10 ...
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6190449 |
Method for eliminating waste sulfurous acids coming from industrial treatments and for obtaining stable products
The method comprises the steps of: preparing a belitic crude cement, neutralizing waste sulfurous acids by means of at least clay-calcareous fines which are thus transformed into artificial gypsum,...
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6149724 |
Hydraulic cement with accelerated high strength development
A method of manufacturing cements based on calcium sulfoaluminate by forming a clinker through calcining a selection of typical cement precursor raw materials to temperatures of more than 1200° C....
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6106608 |
Floor patching and leveling compound and associated method
The present invention provides a floor patching and leveling compound ingredient which provides a desired, smooth finish for a floor surface, the resultant floor and a method of making the same. In...
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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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5976240 |
Refractory system including reactive metakaolin additive
An additive for reducing the calcium aluminate cement content in a refractory mix containing calcium aluminate cement. The additive is comprised of about 80% by weight amorphous, powdered...
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5961712 |
Method for making shotcrete and such compositions
The invention provides cementitious mixtures, particularly for use as shotcrete binding materials. The resultant shotcrete has characteristics of rapid setting as low as 5 to 10 minutes, high early...
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5853473 |
Patching composition for concrete surfaces
A patching composition in the form of a putty composition for application to concrete surfaces. The composition comprises a substantial portion of a conventional cement, such as a Portland cement,...
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5788761 |
Process for the manufacture of construction materials
A process in which the conventional sulfate components in an aerated concrete mixture, such as gypsum, semihydrate or anhydrite, are replaced at least in part by calcium aluminum sulfates and/or...
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5741357 |
Hydrated high alumina cement
A hydraulic cement composition is disclosed which utilizes as part of an expansive component novel coated particles of high alumina cement. The particles have a core of substantially unhydrated...
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5707443 |
Grouting materials and their use
A grouting material which is self-dispersing when brought into contact with a volume of water containing liquor or slurry and is settable to a solid mass after such dispersion, the material being...
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5693137 |
Use of alumina clay with cement fly ash mixtures
A cementitious mixture includes hydraulic cement, fly ash, and an effective amount of unfired nature finely divided material, such as a clay, containing at least about 35% alumina, to accelerate...
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5626663 |
Composition and method for inhibiting drying shrinkage of concrete
A concrete composition capable of inhibiting shrinkage of structural concrete structures is disclosed. The concrete is formed with an admixture composed of at least one secondary/tertiary alkanediol.
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5624489 |
Conversion-preventing additive for high alumina cement products
Additives for high alumina cement compositions are proposed. The additives are effective to reduce or prevent the deleterious conversion of hexagonal calcium aluminate hydrates to cubic hydrogarnet...
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5569324 |
Cementitious compositions
The present invention provides improved cementitious compositions which can include drilling fluid as a component thereof and methods of cementing wells utilizing such compositions. The...
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5556578 |
Aggregate containing hydration water in spray applied fireproofing
Sprayable fireproofing compositions for structural members such as steel columns are provided. The compositions comprise a cementitious binder such as Portland cement, and a hard aggregate...
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