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| Number | Title | Issue Date |
| 8186106 | High strength cement, mortar and concrete including industrial by-products Cementitious compositions in which the cementitious properties of fly-ash are carefully controlled. The cementitious compositions may be substantially free harsh acids and bases such as citric acids (≈pH 2.2) and alkali metal activators including alkali hydroxides... | 05/29/2012 |
| 8182605 | Cementitious veneer and laminate material incorporating reinforcing fibers 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 mixture of polyvinyl alcohol catalyst, Portland cement, and sand; and a cem... | 05/22/2012 |
| 8182606 | Fiber cement building materials with low density additives This invention relates to a formulation with the addition of low density additives of volcanic ash, hollow ceramic microspheres or a combination of microspheres and volcanic ash or other low density additives into cementitious cellulose fiber reinforced building mat... | 05/22/2012 |
| 8182603 | Cement compositions for applying to ceramic honeycomb bodies Disclosed are cement compositions for applying to honeycomb bodies. The cement compositions can be applied as a plugging cement composition, segment cement, or even as after applied artificial skins or coatings. The cement compositions generally include an inorganic... | 05/22/2012 |
| 8182726 | Process for preparing lime pellets A lime pellet for use in asphalt applications is prepared to include lime fines and an asphalt-compatible binder. The pellet is characterized as having a rigid structure with a dimension greater than about 1.5 mm and being compatible with a hot mix asphalt so as to ... | 05/22/2012 |
| 8177909 | Methods and compositions using calcium carbonate Provided herein are compositions and methods including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Methods for making the compositions and using the compositions are provided. ... | 05/15/2012 |
| 8177907 | Use of pulverized glass in a composite material The use of pulverized glass having a particle size of 0 nm to 100 μm as an ingredient in a composite material, said composite material is obtained by mixing a base component and a hardener, is disclosed. The pulverized glass is useful in composite materials, such a... | 05/15/2012 |
| 8177906 | Treatment of fly ash for use in concrete A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with a quantity of spra... | 05/15/2012 |
| 8177905 | Fluidising composition A fluidizing admixture for use with sprayable cementitious compostions, the admixture consists of 2-phosphonobutane-1,2,4-tricarboxylic acid and at least one selected polymer derived from ethylenically-unsaturated mono- or dicarboxylic acids. Citric acid may optiona... | 05/15/2012 |
| 8177904 | Use of polymeric microparticles in building material mixtures The use of polymeric microparticles having a cavity in hydraulically setting building material mixtures is described, from 1 to 100% by volume of the cavity of these microparticles being filled with water. In this way, remarkable concrete resistance to the freezing ... | 05/15/2012 |
| 8177908 | Binder for mine tailings, alluvial sand and the like A binder for mine tailings, alluvial sand and other aggregate used as a backfill for an underground void comprises ferrous slag, cement kiln dust and/or lime kiln dust, and Portland cement and/or lime; the binder displays strength characteristics better than or comp... | 05/15/2012 |
| 8172937 | Lightweight drainable cellular concrete A lightweight pervious cellular concrete is provided. The concrete has an internal structure comprising interconnected channels, resulting in a permeability K value of less than about 1×10−5, and as low as about 1. The cellular concrete has a density r... | 05/08/2012 |
| 8172940 | Treatment of fly ash for use in concrete A process for treating fly ash to render it highly usable as a concrete additive. A quantity of fly ash is obtained that contains carbon and which is considered unusable fly ash for concrete based upon foam index testing. The fly ash is mixed with an activator solut... | 05/08/2012 |
| 8172939 | Material for cement, and cement A material for cement which comprises a calcium salt powder with an inositol phosphate and/or a salt thereof as adsorbed on the surface thereof, the powder having a specific surface area of 60-120 m2/g. A method of producing a material for cement comprise... | 05/08/2012 |
| 8167997 | Concrete mixtures having stabilized foam admixture Flowable concrete mixtures have an aqueous foam admixture mixed therein to give the concrete mixture desired strength, flowability, and density. The concrete mixtures include a hydration stabilizer to stabilize the aqueous foam. The hydration stabilizer inhibits the... | 05/01/2012 |
| 8167996 | Lightweight structural concrete provided with various wood properties A lightweight structural concrete with screw-ability and nail-ability similar to wood is composed of a non-structural and ultra lightweight aggregate such as expanded perlite or a combination of expanded perlite and polystyrene beads of a particular size distributio... | 05/01/2012 |
| 8167998 | Lightweight concrete compositions A lightweight ready-mix concrete composition that contains 8-20 volume percent cement, 11-50 volume percent sand, 10-31 volume percent prepuff particles, 9-40 volume percent coarse aggregate, and 10-22 volume percent water, where the sum of components used does not ... | 05/01/2012 |
| 8167994 | Cellular cementitious composition A cementitious slurry and method of making the cementitious slurry comprising mixing a pozzolanic component, a foaming agent of hypochlorite, and a hydroxide solution of soluble hydroxide dissolved in water, whereby the slurry is foamed and hardened into a cellular ... | 05/01/2012 |
| 8163081 | Composite materials using novel reinforcements The present invention relates to materials used for building products, construction projects, structural objects, mechanical devices and other materials applications. Specifically, the invention concerns composite materials made with reinforcing elements in a binder... | 04/24/2012 |
| 8163082 | Method and plant for manufacturing cement clinker Manufacturing methods and plants for carrying out methods of manufacturing cement clinker including diverting gases from a separation cyclone for a calcined cement material. The diverted gases are cooled to a temperature of 850° C. or less by introducing raw cement... | 04/24/2012 |
| 8157911 | High performance concrete with a quick resistance development lacking added materials with latent hydraulic activity Solid mixture for the preparation of concrete which after 16 hours has a mechanical resistance higher or equal to 50 MPa comprising cement and limestone aggregates, substantially lacking latent hydraulic activity, characterized by the presentation of a specific gran... | 04/17/2012 |
| 8152917 | Method for manufacturing concrete containing electric arc furnace dust A method for manufacturing concrete bodies or forms containing electric arc furnace dust in an amount of up to about 4% at elevated temperatures to provide concrete bodies is disclosed. The concrete bodies have improved compressive strength and slump retention capab... | 04/10/2012 |
| 8147609 | Non-dispersible concrete for underwater and underground construction A non-dispersible concrete for underwater and underground construction is disclosed, whose composition primarily comprises: coarse aggregate in a range of from 600 to 1200 kgw/m3; fine aggregate 500 to 1100 kgw/m3, with a fineness modulus (F.M.... | 04/03/2012 |
| 8142914 | Gypsum-containing product and gypsum board The invention provides a set gypsum-containing product having increased resistance to permanent deformation and a method for preparing it comprising forming a mixture of a calcium sulfate material, water, and an appropriate amount of one or more enhancing materials ... | 03/27/2012 |
| 8142915 | Foamed slurry and building panel made therefrom A gypsum slurry is described that includes water, a hydraulic component comprising at least 50% calcined gypsum by weight based on the dry weight of the hydraulic component, foam, a defoamer and a polycarboxylate dispersant. In some embodiments of the invention, the... | 03/27/2012 |
| 8142564 | Process to reduce the amount of Cr (VI) in a cement-containing composition and a composition comprising cement and coated metallic sulphate particles A method for producing a cement-containing material having a low content of soluble Cr (VI), the method including providing a cement-containing material with metallic sulphate particles coated with at least one product of the hydrolysis of a collagen material. ... | 03/27/2012 |
| 8137454 | 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. ... | 03/20/2012 |
| 8137453 | Fiber reinforced concrete and method of manufacturing fiber reinforced concrete member Fiber reinforced concrete is generated by including fiber in a dispersed manner in a cement matrix including: cement; first pozzolanic reactant particles having a high activity; second pozzolanic reactant particles having an activity lower than the first pozzolanic ... | 03/20/2012 |
| RE43253 | Lightweight concrete compositions A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ratio o... | 03/20/2012 |
| 8133317 | Cement additive and cement composition A cement additive contains industrial waste and has the effect of inhibiting formation of monosulfate in a hardened cementitious material. The cement additive contains specifically calcium carbonate, gypsum and coal ash and/or blast-furnace slag powder. This enables... | 03/13/2012 |
| 8133600 | Siloxane polymerization in wallboard Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsio... | 03/13/2012 |
| 8123853 | Calcium aluminate clinker as a refractory aggregate with and without barium addition and use thereof The present invention provides for a refractory aggregate composition comprising an improved calcium aluminate clinker having the formula CnAx wherein C is calcium oxide and A is aluminum oxide, wherein n is an integer from about 1 to about 12,... | 02/28/2012 |
| 8123852 | Cement compositions comprising high aspect ratio materials and methods of use in subterranean formations The present invention relates to subterranean well cementing operations, and more particularly, to cement compositions that include high aspect ratio materials, and methods for using such cement compositions in subterranean formations. An example of a method of the ... | 02/28/2012 |
| 8118927 | Cementitious compositions and methods of making and using A cementitious composition is provided that comprises an effective amount of bottom ash and an effective amount of cement. In one embodiment, a structural product formed from mixing the composition with an effective amount of water has a seven-day compressive streng... | 02/21/2012 |
| 8118930 | Setting accelerator for sprayed concrete An accelerating admixture for concrete, containing a liquid mixture being an aqueous solution or an aqueous dispersion, wherein a) the liquid mixture contains 13 to 43 weight % dissolved aluminium sulfate, b) the liquid mixture contains less than 1 weight % dissolve... | 02/21/2012 |
| 8118929 | Well cement formulations for increased drilling hardness A well cement composition for plugging a bore at the location for initiating sidetracking to bore a lateral well is formulated as a slurry of hydraulic cement that contains at least two, but preferably all three of the following additives: (1) a source of silicon di... | 02/21/2012 |
| 8114213 | Concrete and mortar additive, process for the preparation thereof, and its use, as well as concrete or mortar containing it A self-compacting concrete and mortar additive is prepared, comprising an aqueous suspension matured and stabilized for 1-7 days, preferably 1-2 days, and having a consistency adapted to the dosing equipment used for dosing the additive when mixing concrete or morta... | 02/14/2012 |
| 8110039 | Cementitious material A method of manufacturing a hydratable cementitious material, which includes: a) providing at least one waste material containing calcium, silica, magnesium, aluminium, and/or iron; b) thermally treating each waste material to a first temperature such that surface w... | 02/07/2012 |
| 8092588 | Colloidal sealant composition The present invention relates to the addition of biocidal agents to colloidal silicate coating compositions, said compositions being useful for coating structures prepared from Portland cement compositions. ... | 01/10/2012 |
| 8088218 | Foamed slurry and building panel made therefrom A gypsum slurry is described that includes water, a hydraulic component comprising at least 50% calcined gypsum by weight based on the dry weight of the hydraulic component, foam, a defoamer and a polycarboxylate dispersant. In some embodiments of the invention, the... | 01/03/2012 |
