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7575630 |
Binder admixture, kaolin product and their manufacture
A binder mix containing a hydraulic binding agent and an admixture mixed therewith, a process for preparing a hydraulically hardened binder mass, a calcinated kaolin product and a process for...
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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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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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7255739 |
Cement compositions with improved corrosion resistance and methods of cementing in subterranean formations
This invention provides cement compositions that comprise a high alumina cement, vitrified shale, a soluble phosphate, and water sufficient to form a slurry. This invention also presents methods of...
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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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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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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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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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6881257 |
Machinable light weight sisal-based concrete structural building material
A machinable light weight sisal-based concrete structural building material and a method of making the same are disclosed. The material includes short sisal fibers in a range from about 22% (v/v)...
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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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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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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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6572696 |
Technological additive for agglomerating projectable building materials and utilization of the additive in projected mortars and concretes
New additive for projectable agglomerating materials in the building industry, said additive comprising at least one clay of rheologic grade, preferably sepiolite, a water reducer/fluidifier and an...
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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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6475275 |
Cement composition
A cement composition contains 35-85% by weight of a cement, 3-15% by weight of a clay, 1-50% by weight of an aggregate and/or a fibrous material, and 0.2-5% by weight of a high efficiency retarder....
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6472061 |
Moisture control construction material
A moisture control construction material is enhanced in decorativeness and improved in stain-resistance by glazing the surfaces thereof. The material is prepared by mixing soil material and clay,...
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6279655 |
Thixotropic materials
A settable thixotropic material comprises a thixotrope and a settable substance, the material being capable of gelling reversibly in a gelling time of less than 60 seconds. The thixotrope...
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6221148 |
Manufacture of improved metakaolin by grinding and use in cement-based composites and alkali-activated systems
In one embodiment, the present invention relates to a method of making a highly reactive pozzolan, involving the steps of forming a slurry comprising metakaolin and a liquid; wet milling the...
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6093241 |
Granular organoclay for high temperature applications
Certain wastewater streams coming out of boilers have temperatures higher than 180° Fahrenheit. Organoclay granules where a quaternary amine acts as a binder will dissolve at that temperature. A...
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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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6027561 |
Cement-based compositions
In one embodiment, the present invention relates to a cement-based composition containing at least one cementitious material and at least one highly reactive pozzolan, wherein the highly reactive...
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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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5944888 |
Spray insulating coating for refractory articles
The present invention is directed to an insulating coating for refractory articles, adapted to be applied by spraying or gunning, which is easy to apply, cost effective, eliminates the potential...
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5716448 |
Hydraulic composite
Excavated earth from construction sites may be recycled as backfilling material or grout by incorporating it into a hydraulic composite. This is done firstly by blending excavated soil with a...
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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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5603759 |
Stable, cement-bonded, overhead sprayed insulating mixes and resultant linings
A pulverulent mix, sprayable when mixed with a liquid for forming a stable, cement-bonded insulating refractory which can be sprayed onto vertical and overhead surfaces without deformation,...
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5558708 |
System and method for dispersing pigment in cement based compositions
A system and method for dispersing pigment in cement based compositions comprising a predetermined and prepackaged amount of a cement based component and a predetermined and prepackaged amount of...
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5551976 |
Superplasticizer-concrete composition for waste disposal
A solidified waste is formed from a difficult-to-compact hydraulic cement slurry for use in the disposal of hazardous waste. The slurry contains inorganic non-compactible hydraulic cement...
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5549745 |
Non-slumping, pumpable castable and method of applying the same
An essentially non-slumping, high density, low moisture and low cement castable composition, consisting of a tempered, pumpable first component containing the castable solids and consisting...
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5431730 |
Ceramic tile-like aluminous cement-uncalcine building material
A mortar composition based on aluminous cement which provides an attractive ceramic tile-like surface gloss and other desirable properties including superb hardness, reduced water absorption, high...
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5395442 |
Lightweight concrete roof tiles
Lightweight concrete roof tiles are produced by extruding a latex/cement/lightweight aggregates/water mix in a prescribed sequence. The composition comprises: (a) 45-65 parts by weight of an...
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5366550 |
Latex modified cement-based thin set adhesive
A novel cement-based composition comprising a cement powder, a polymeric latex composition, and a water-soluble polysaccharide compound is disclosed. This composition is useful in adhering ceramic...
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5302200 |
Hydrating and plasticizing admixture for dense concrete
An admixture for a dense and durable concrete mix consisting essentially of diatomaceous earth and silica fume in the ratio of from 1 to 1 up to 1 to 8. Optionally, fly ash and lignosulfonate...
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5228914 |
Pumice containing composition
A composition for forming a hard material having good high temperature insulation, reflection and diffusion properties, comprising a mixture of crushed pumice, calcium aluminate cement and glass...
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5198027 |
Article for rural building construction and road building and a process and a mixture for preparing the article
An article for rural building construction and road building obtained by a thermal treatment of a mixture of: (a) at least an altered silicate containing alumina and calcium; (b) at least a...
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5167710 |
Process for manufacturing a cement mixture containing reinforcing fibers and products obtained therefrom
Process for making a cement mixture containing fibers wherein a paste is formed by mixing cement and, per 100 parts by weight of cement, approximately 5 to 20 parts by weight of a first pulverized...
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5133806 |
Softy mud solidifying agent
There is disclosed a softy mud solidifying agent which comprises cement, and at least two members selected from the group consisting of pozzolanic substances, inorganic compounds and organic...
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5098873 |
Low cement refractory
A low cement castable refractory comprising 85 to 96% by weight of a calcined ultrafine bauxite aggregate characterized by a particle size of less than 10 um, 2 to 10% by weight of a suitable...
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4981521 |
Sprayable fireproofing composition
Fire retardant coatings for metal structural members are obtained by spraying onto the structural members settable plaster compositions which are air-containing pumpable aqueous slurries of...
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4957556 |
Very early setting ultra high early strength cement
Methods for forming very early setting, ultra high strength cements and the cements so produced are claimed. The methods comprise forming a mixture of raw materials containing SiO 2 , Al 2 O 3 ,...
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4943544 |
High strength, abrasion resistant refractory castable
A refractory composition is disclosed which possesses low porosity, high density, exceptional strength and high abrasion resistance and is useful for lining fluid catalytic converter units, e.g.,...
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4895598 |
Stabilization of extremely lightweight aggregate concrete
Method of producing monolithic mainly cementbound concrete in the density range of 650-1300 kg/m 3 , preferably of 800-1200 kg m 3 with substantially good placing properties both for building in...
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4892589 |
Composition comprising water-soluble, nonionic hydrophobically modified hydroxyethyl cellulose and water-soluble, nonionic hydroxyethyl cellulose
A novel cementing composition comprising a hydraulic cement and, as a fluid loss agent, water-soluble, nonionic hydrophobically modified hydroxyethyl cellulose, are disclosed. Preferably, the...
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4846888 |
Oil well drilling cement dispersant
An additive for oil well drilling cement is provided by an azo lignosulfonate formed from the coupling of a diazonium salt made from sulfanilic acid or para-aminobenzoic acid and a lignosulfonate...
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4806168 |
Refractory material and its use
Refractory material based on grog and hydraulic or chemical binder. The refractory material contains a substantially evenly distributed content of a heat-resistant fiber reinforcement and...
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4802922 |
Capsules of high alumina cement compositions
A capsule contains in separate compartments the interactive components of a self setting composition which according to the invention comprise as base component a paste of high alumina cement,...
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