| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 106672000 | Hollow, foam, cellular or porous material containing or method of forming cellular or porous product | 75 |
| 20090283017 | CEMENT BLEND - A cement blend includes a cement mixture and a permeable, micro-cluster silica material present in an amount from about 10 percent to about 30 percent by weight of the cement mixture. The cement blend may be used in casing a borehole when appropriate fluid loss agents are included in the cement blend. Additionally, a cement additive is added to a cement mixture to provide the cement blend. This cement additive can be formulated in a kit form. | 11-19-2009 |
| 20100064943 | 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 of from 1 to 3, and from 0 to 50 volume percent of aggregate; where the sum of components used does not exceed 100 volume percent, and where after the lightweight concrete composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39 after seven days. The concrete composition can be used to make concrete masonry units, construction panels, road beds and other articles. | 03-18-2010 |
| 20100192808 | Synthetic Microspheres and Methods of Making Same - A building product incorporating synthetic microspheres having a low alkali metal oxide content is provided. The synthetic microspheres are substantially chemically inert and thus a suitable replacement for natural cenospheres, particularly in caustic environments such as cementitious mixtures. The building product can have a cementitious matrix such as a fiber cement product. The synthetic microspheres can be incorporated as a low density additive and/or a filler for the building product and/or the like. | 08-05-2010 |
| 20100242802 | 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 materials. This formulation is advantageously lightweight or low density compared as compared to current fiber cement products without the increased moisture expansion and freeze-thaw degradation usually associated with the addition of lightweight inorganic materials to fiber cement mixes. The low density additives also give the material improved thermal dimensional stability. | 09-30-2010 |
| 20110303123 | Method for Modifying Pore Size Distribution Zones in Fiber Cement Composites and Articles of Manufacture of the Same - A cementitious product and method of modifying the properties of a low or medium density FRC product by providing a predetermined pore size distribution. The pore size distribution is obtained such that in critical zones of the distribution, the pore volume is substantially equivalent to or less than the pore volume in a respective critical zone of a conventional high density FRC product. The resultant material provides improved properties over conventional medium density FRC products, in particular improved freeze/thaw durability and/or improved workability. | 12-15-2011 |
| 20120167803 | Cement-Based Particulates and Methods of Use - Methods of making particulates for use in a subterranean application comprising: providing particulates of a settable composition comprising a cementitious material, a filler material, and an activator of the cementitious material; and pre-curing the particulates until the particulates reach a crush strength of about 50 psi or greater; and curing the pre-cured particulates at a temperature in the range of about 230° F. to about 600° F., so that at least a portion of the particulates comprise a newly formed crystalline phase. | 07-05-2012 |
| 20120227630 | CONCRETE MIXTURES INCLUDING CARBON ENCAPSULATING ADMIXTURE - Concrete mixtures for use with air entraining agents and supplementary cementitious materials are achieved using a carbon encapsulating agent. The carbon encapsulating agent can include a nitrilotrisethanol aliphatic soap. | 09-13-2012 |
| 20120260827 | 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 materials. This formulation is advantageously lightweight or low density compared as compared to current fiber cement products without the increased moisture expansion and freeze-thaw degradation usually associated with the addition of lightweight inorganic materials to fiber cement mixes. The low density additives also give the material improved thermal dimensional stability. | 10-18-2012 |
| 20120279424 | DIRECT BATCH AGGREGATE VACUUM SATURATION FOR MIXING CONCRETE - An apparatus for producing lightweight aggregate concrete utilizing fully saturated aggregate particles includes a vacuum vessel that discharges substantially directly into a concrete mixer that combines the aggregates with quantities of cement and water to create a batch of lightweight aggregate concrete. The vacuum vessel receives a supply of non-saturated lightweight aggregates from a bulk supply bin. A pump evacuates the air from the vessel until a desired vacuum level is attained, which evacuates air from the pores and interstitial spaces within the aggregate particles. The volume of water needed to fully saturate the aggregates within the vessel is fed into the vessel to create fully saturated aggregates that are subsequently discharged into the concrete mixer. The second volume of water needed to hydrate the cement is added to the vessel to flush out the vessel and be discharged into the concrete mixer to produce the batch of concrete. | 11-08-2012 |
| 20130087075 | Process for the Manufacture of Aerated Concrete Construction Materials and Construction Materials Obtained Thereof - Process for the manufacture of aerated concrete construction materials comprising the following steps: (a) mixing a composition comprising at least water, a cementitious material, calcium oxide, a compound comprising reactive silicon dioxide, a source of oxygen, and a compound selected from sodium carbonate, sodium bicarbonate and sodium hydroxide; (b) pouring the mixture of step (a) into a mould and allowing the mixture to set, thus forming a stiffened body; (c) removing the stiffened body from the mould; (d) optionally cutting and shaping the stiffened body, and (e) curing the stiffened body. | 04-11-2013 |
| 20130139728 | FLY ASH BASED LIGHTWEIGHT CEMENTITIOUS COMPOSITION WITH HIGH COMPRESSIVE STRENGTH AND FAST SET - A method of making a rapid setting lightweight cementitious composition with improved compressive strength for products such as boards is disclosed. The method mixes fly ash, alkali metal salt of citric acid and lightweight aggregate with water. Compositions which include fly ash, alkali metal salts of citric acid and lightweight aggregate are also disclosed. | 06-06-2013 |
| 20130312641 | Compositions Comprising Kiln Dust and Wollastonite and Methods of Use in Subterranean Formations - Embodiments relate to cementing operations and, more particularly, in certain embodiments, to settable compositions that comprise kiln dust and wollastonite and methods of use in subterranean formations. An embodiment discloses a method of cementing comprising: providing a settable composition comprising kiln dust, wollastonite, and water; and allowing the settable composition to set. | 11-28-2013 |
| 20140033953 | METHOD OF FORMING SYNTACTIC FOAMS - A method of forming a syntactic foam, including the steps of providing a predetermined amount of constituent materials, said constituent materials including hollow microspheres or buoyant particles, a solvent and a first binder; mixing the constituent materials; allowing the constituent materials to separate into at least a phase substantially including said hollow microspheres or buoyant particles and a binder phase; transferring the hollow microsphere/buoyant particle phase into a mould; and forming a syntactic foam in said mould. Also an apparatus for forming the syntactic foam and syntactic foam. | 02-06-2014 |
| 20150007752 | COMPOSITIONS COMPRISING PHASE CHANGE MATERIAL AND CONCRETE AND USES THEREOF - Provided herein are compositions comprising concrete and one or more phase change materials (PCMs) for prevention or reduction of thermal damage in a cementitious system, and uses thereof. | 01-08-2015 |
| 20150040801 | METHODS FOR CASTING TITANIUM AND TITANIUM ALUMINIDE ALLOYS - The disclosure relates generally to mold compositions and methods of molding and the articles so molded. More specifically, the disclosure relates to mold compositions and methods for casting titanium-containing articles, and the titanium-containing articles so molded. | 02-12-2015 |
| 20150090160 | WATER REPELLENT SAND MIXTURE AND WATER REPELLENT SAND STRUCTURE - A water repellent sand mixture includes at least water repellent sand and cement at a weight ratio of 2% or more and 5% or less relative to the water repellent sand. The mixture achieves condensation between the water repellent sand particles by the hydration reaction of the cement, which improves dynamic stability. The mixture can be kept in a block shape due to such improved dynamic stability, water repellency, and less slidable surfaces of the sand particles. | 04-02-2015 |
| 20160052823 | PROCESS USING MULTIPLE WASTE STREAMS TO MANUFACTURE SYNTHETIC LIGHTWEIGHT AGGREGATE - The process using multiple waste streams to manufacture synthetic lightweight aggregate includes providing a mixture of aggregate wash and at least one of another waste stream, such as waste lube oil or sewage sludge. The mixture is formed into pellets and subjected to various firing stages and temperatures in which the calcination and subsequent bloating occurs. The mixture can also be added to natural clays to form corresponding pellets. The bloating promotes formation of porous cavities, and once cooled, the pellets form lightweight, low density synthetic aggregates suitable for use as building materials, thermal insulators, and the like. | 02-25-2016 |
| 106673000 | Peroxide or hypochlorite containing | 1 |
| 20090050022 | Cellular Cementitious Composition - Materials produced by foaming of particular cementitious compositions of geopolymeric or pozzolanic type in highly alkaline milieu without appreciable addition of dissolved silicate. Methods of manufacturing cementitious compositions are provided by using hypochlorite as a foaming agent therein. | 02-26-2009 |
| 106674000 | Carbohydrate containing | 6 |
| 20100043674 | Gypsum Building Boards - A method of producing gypsum building board, comprises allowing a layer of an aqueous gypsum slurry to set so as to form a board, in which the improvement comprises mixing the gypsum slurry with an aqueous foam produced by foaming water containing at least one non-ionic alkylpolysaccharide foaming agent of the general formula (I) | 02-25-2010 |
| 20100101457 | LOW EMBODIED ENERGY SHEATHING PANELS AND METHODS OF MAKING SAME - Sheathing panels are produced by methods which do not require natural resources such as wood and use significantly reduced embodied energy when compared with the energy used to fabricate gypsum sheathing panels. A novel binder, consisting in one embodiment of monopotassium phosphate and magnesium oxide, and combined with various fillers, is used to provide a controlled exothermic reaction to create a gypsum board-like core which can be formed into a suitable sheathing panel handled and installed in a typical manner. The panel is manufactured to have a desirable shear resistance and water vapor permeability, important performance elements in building envelope design. The manufacturing process results in a panel that does not require mature trees as source material, does not off gas, and involves much lower greenhouse gas emissions than the processes used to make traditional wood or gypsum-based sheathing panels. | 04-29-2010 |
| 20140290533 | SELF-REPAIRING COMPOSITES - Disclosed herein are composites capable of self-repairing. In some examples, the composites include a binding medium and a plurality of binding medium-repairing particles. The binding medium-repairing particles disclosed herein comprise a reactive agent encapsulated in a shell, where the reactive agent can interact with the binding medium to form an aggregate in the presence of an aqueous medium. Also disclosed herein are methods for making the composites and methods for making the binding medium-repairing particles. | 10-02-2014 |
| 20150007753 | CHEMICAL ADDITIVE FOR GYPSUM PRODUCTS - The present invention provides a gypsum composition, a gypsum board and their preparation method and the use of DHA as an anti-sagging additive in a gypsum product. Said gypsum board comprises set gypsum prepared from the composition; while said composition comprises gypsum, and an anti-deformation additive, wherein the anti-deformation additive comprises at least one selected from a group consisting of dehydroascorbic acid, dehydroascorbate and semidehydroascorbic acid. The set gypsum prepared from the said composition shows better anti-sagging or deformation resisting property. The gypsum product of the present invention is hardly distorted and has stronger stability even in the condition of high humidity, thus improve the quality of the gypsum product to meet the demands of the customer. | 01-08-2015 |
| 20150368155 | HIGH CARBON CELLULAR CONCRETE - Implementations described and claimed herein provide a process for creating a high-carbon cellular concrete that may include high-carbon ash, cement, water, and surfactants to produce a high-carbon cellular concrete. The high-carbon cellular concrete wet mix maintains its cellular properties while it is placed and cures. Also, because of the gelling characteristics and viscosity of the cellular concrete wet mix, it may be placed in a manner that requires fewer lifts or stages in a placement, which may reduce time and expense. Further, the cellular concrete wet mix may travel laterally during placement without losing its cellular matrix of micro-bubbles before curing. | 12-24-2015 |
| 20160159697 | GYPSUM WALLBOARD SLURRY AND METHOD FOR MAKING THE SAME - A slurry for manufacturing gypsum board is disclosed. The slurry comprises calcined gypsum, water, a foaming agent, and a thickening agent. The thickening agent of the present disclosure acts to improve the cohesiveness of the slurry without adversely affecting the setting time of the slurry, the paper-to-core bond (wet and dry), or the head of the slurry by acting as a defoaming agent or coalescing agent. Examples of suitable thickening agents include cellulose ether and co-polymers containing varying degrees of polyacrylamide and acrylic acid. A gypsum board and method of forming the slurry and the gypsum board are also disclosed. The gypsum board comprises a gypsum layer formed from the slurry. | 06-09-2016 |
| 106675000 | Perlite or vermiculite containing (e.g., jeffersite, etc.) | 10 |
| 20090071376 | 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 | 03-19-2009 |
| 20090151602 | NON-CEMENT FIRE DOOR CORE - The present invention describes a fire resistant building material composition, useful for example as a fire door core and to a method of making this composition. The building material of the present invention is prepared from an aqueous mixture of predominately expanded perlite, a small amount of a binder component consisting essentially of calcined gypsum and an organic binder, and optionally a fibrous reinforcement. | 06-18-2009 |
| 20090151603 | CEMENT-BASED FIRE DOOR CORE - The present invention describes an improved building material composition, useful for example as a fire door core. The building material of the present invention is prepared by compressing an aqueous mixture of expanded perlite and a fast setting, cementitious composition consisting essentially of a hydraulic cement, preferably Portland cement, and a pozzolan additive selected from the group consisting of metakaolin, VCAS and mixtures thereof, and preferably also includes an organic binder and a fibrous reinforcement. | 06-18-2009 |
| 20110155019 | HEAT RESISTANT AND FIRE RETARDANT MATERIALS AND METHODS FOR PREPARING SAME - A silica cement blend having an insulating, fire retarding and high temperature characteristic capable of withstanding temperatures ranging from ambient to greater than 40000 F without degradation of the concrete structure. In addition to its high temperature capabilities the blend can be produced as ultra light weight to heavy weight concrete. The silica based mixture when added to cementitious materials such as Portland cement, Class C Fly Ash, silica fume and other cementitious materials. Presented also are methods for reducing fire damage by coating interior/exterior walls, ceiling, and roofs of a building with a water based latex coating containing a fire retardant material and low heat conductivity silicas. Methods for painting internal/external walls, ceilings, and roof are also presented. This coating retains thermal blocking properties comprised of processed, expanded and/or finely milled, pyrogenic silicas and micro spheres in combination of but not limited to, one, two or more component water based polymer/copolymer latex binders and a water born fluoropolymer emulsion. The combined properties of these elements create a coating similar to paint with a high level of thermatic resistance which slows the composition break-down from fire, extreme temperatures, and restricts the thermal conductivity which helps to preserve the integrity of the substructure or underlying materials. The properties of this coating reduce or slow the potential of catastrophic fire by retarding flashover and protecting the under structure; which in turn assist fire fighters and rescue personnel by helping to retard the potential of a catastrophic fire. | 06-30-2011 |
| 20110297048 | FOAMING AGENT - A foaming agent solution, cement material and concrete replacement product are described which include blood hydrolysates. The blood hydrolysates may be present in the foaming agent solution in the range 5-30% by volume of the solution. | 12-08-2011 |
| 20120180703 | 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 C | 07-19-2012 |
| 20120192767 | Processed mineral additive for reducing concrete permeability and increasing strength - A durable concrete composition includes a cementitious material comprising cement and ground expanded perlite, coarse aggregate, fine aggregate, and sufficient water for adequate workability. The resulting concrete displays a number of superior properties to conventional concrete, including extremely high thermal resistance coupled with high strength, low chloride ion permeability, and good early strength. The ground expanded perlite is a readily available material and the finished concrete is extremely cost effective for applications where a high strength structural concrete must withstand high temperatures. The mixture can be handled and placed by conventional methods and is compatible with existing conventional concrete additives. | 08-02-2012 |
| 20140060389 | Compositions Comprising Kiln Dust and Wollastonite and Methods of Use in Subterranean Formations - Embodiments relate to cementing operations and, more particularly, in certain embodiments, to settable compositions that comprise kiln dust and wollastonite and methods of use in subterranean formations. An embodiment discloses a method of cementing comprising: providing a settable composition comprising kiln dust, wollastonite, and water; and allowing the settable composition to set. | 03-06-2014 |
| 20150107490 | Calcium Phosphate Cement Compositions Comprising Pumice and/or Perlite and Associated Methods - Methods and compositions are provided that related to cementing operations. Methods and compositions that include pumice and/or perlite as a replacement for fly ash. | 04-23-2015 |
| 20150122153 | Progressive Bubble Generating System Used in Making Cementitious Foam - A process for producing insulating foam, wherein certain especially small inorganic minerals such as silica fume are directly integrated into bubble fluid to better mechanically strengthen bubbles formed and thus allow the formation of smaller bubbles to be reformed by mechanical means. In this process where these same bubbles are now in some part composed of inorganic solids. A process whereby these minerals are maintained as to their median size and dispersion within the bubble fluid by the following; rotor stator mixing and or a recirculating pump, the inclusion within exotherming calcium-chloride salt, the use of other physical exciters such as hydrogen-peroxide, and by straining out outliers of unwanted size or form. The above mentioned mechanical means is a progressive reforming of bubbles and actualized by a glass bead chamber, a second stage consisting of two screened discs, separated from each other and located at the end of the glass bead chamber, and a third stage chamber presenting itself with a considerably enlarged screen area and having considerably finer meshes than the second stage. This process in its execution results in stronger, smaller and denser bubbles; whereupon when complete hydration has occurred, leaves the smaller solids in their placement within the now open cell structure, and in combination with applied cement from a separate process line, the cured cement foam has a significant registered improvement of insulating qualities as measured by certified R-value tests. | 05-07-2015 |
| 106676000 | Glass containing | 15 |
| 20080210135 | Construction Material Based Upon a Sludge or Sludged Waste Material - The invention relates to a fluid construction mixture comprising a sludge or tailing material (such as a dredged material), a binder, a binder retarding agent, optionally one or more other ingredients. The invention further relates to a method for preparing a solid construction material and to the use of construction material in infrastructural projects. | 09-04-2008 |
| 20120174829 | Light Mortar Materials and Method of Use - A lightweight and energy saving mortar consisting of: 30-40% of Ordinary Portland cement; 2-4% of Hydrated lime; 10-20% of lightweight aggregate; 40-50% of heavyweight aggregate; and 1.0% of additive. The lightweight aggregate is a porous inorganic hollow glass material of fineness is smaller than 100 mesh. The heavyweight aggregate is Aeolian sand. During application, the mortar is diluted with water to have a viscosity suitable for mechanical spraying or manual application. The present invention employs a specific lightweight aggregate of porous inorganic hollow glass material to reduce the weight percentage of sand stone so as to decrease the weight of the mortar such that an elastic modulus of the mortar is matched with the lightweight wall object, the heat transmission coefficient is decreased, and the thermal bridge effect is minimized. Hollowing, cracking, and falling off problems are prevented. Heat and sound insulation are improved. Mechanical operation is facilitated. | 07-12-2012 |
| 20120318171 | NEW FOAMED CONCRETE - A foamed concrete having a density from 100 to 800 kg/m | 12-20-2012 |
| 20130098270 | DRY CEMENT MIX FOR FORMING LIGHT CONCRETES WITH LOW THERMAL CONDUCTIVITY, AND CONCRETES THUS OBTAINED - A dry cement mix based on a hydraulic binder and a glass aggregate for forming light concretes with low thermal conductivity, characterised in that said glass aggregate comprises a fine fraction consisting of granulated aggregate with a particle size from 0.5 to 2 mm, and a coarse fraction consisting of crushed aggregate with a particle size from 4 to 20 mm, obtaining for said glass aggregate a well-defined overall particle size distribution. | 04-25-2013 |
| 20130133553 | NON-CHEMICAL AIR ENTRAINED ADMIX - An improved concrete is provided having a concrete formed from a wet concrete mixture; and a non-chemical admix added to the wet concrete mixture and configured to contain bubbles in order to control the amount of entrained air formed in the concrete when the wet concrete mixture cures into the improved concrete. The non-chemical admix includes a multiplicity of hollow objects, bodies, elements or structures, each configured with a respective cavity, unfilled space, or hole to trap and maintain a bubble inside. The hollow objects, bodies, elements or structures include hollow cylinders, or spheres, or capillary tubes, or some combination thereof. Each hollow object, body, element or structure is configured with a dimension so as not to absorb liquid, including water, including where the dimension is in a range of about 20-30 microns, and is made of glass or a glass-like material. | 05-30-2013 |
| 20130145968 | Artificial Stone and Method of Making Same - A lightweight artificial stone system comprises a plurality of artificial stones, each of the artificial stones formed of at least some portion of cement, expanded glass, the lightweight artificial stones having a density in the range of between about 30 and 70 pounds per cubic foot. | 06-13-2013 |
| 20140047999 | ACID AND HIGH TEMPERATURE RESISTANT CEMENT COMPOSITES - Process for production of acid and high temperature resistant cement composites, where the matrix is alkali activated F fly ash alone, F Fly ash combined with ground slag or ground slag alone. F-fly ash produces lower quality alkali activated cement systems. On the other hand the lack of calcium oxide results in very high resistance to medium and highly concentrated inorganic or organic acids. The high strength and low permeability of pure F-fly ash cement systems is achieved by using in the composition un-densified silica fume, the amorphous silicone dioxide obtained as by products in production of ferro-silicones. Precipitated nano-particle silica made from soluble silicates and nano-particle silica fume produced by burning silicon tetra chloride in the hydrogen stream. | 02-20-2014 |
| 20140109799 | CEMENT COMPOSITION BASED ON CALCIUM ALUMINATE CEMENT - The present invention relates to a current composition for cementing oil or gas wells. The composition comprises calcium aluminate cement in which the proportion of HC | 04-24-2014 |
| 20140318419 | Pumice-Containing Remedial Compositions and Methods of Use - Methods and compositions are provided that utilize pumice and various additives. Embodiments provide pumice-containing remedial compositions. One of the pumice-containing remedial composition embodiments comprises pumice; a calcium activator; and water, wherein the pumice-containing remedial composition has a density of less than about 13.5 pounds per gallon, and wherein the pumice-containing remedial composition is free of Portland cement. | 10-30-2014 |
| 20140338568 | DURABLE CONCRETE AND METHOD FOR PRODUCING THE SAME - A concrete mix for producing freeze-thaw durable concrete having enhanced strength properties, like compressive strength, abrasion resistance, impact strength, toughness, is disclosed. The novel concrete mix contains deformable solid elements in place of 4-8% entrained air for good durability of concrete under freeze-thaw cycles. | 11-20-2014 |
| 20150068429 | DEVELOPMENT OF HIGH TEMPERATURE LOW DENSITY CEMENT - The invention provides a low density cement composition. The composition includes a cement component, a glass sphere component, a bentonite component, a fine calcium carbonate component, a medium calcium carbonate component, a silica sand component, and a silica flour component. | 03-12-2015 |
| 20150068430 | DURABLE CONCRETE AND METHOD FOR PRODUCING THE SAME - A concrete mix for producing freeze-thaw durable concrete having enhanced strength properties, like compressive strength, abrasion resistance, impact strength, toughness, is disclosed. The novel concrete mix contains deformable solid elements in place of 4-8% entrained air for good durability of concrete under freeze-thaw cycles. | 03-12-2015 |
| 20150336846 | FOAMED GLASS COMPOSITE MATERIAL AND A METHOD FOR USING THE SAME - An aircraft runway safety area for slowing an aircraft that has overrun a runway, including a brittle, nondeformable material for arresting the travel of an aircraft without catastrophically damaging the aircraft, the nondeformable material being configured to crush upon being contacted by the aircraft to effect arrest, and comprising incompressible material in the form of one or more foamed glass bodies, each respective body having a top surface, a bottom surface and oppositely disposed side surfaces, and a frangible matrix encasing the one or more foamed glass bodies, the frangible matrix fabricated to protect the incompressible material and having a breaking strength sufficient to readily break without subverting the arrestment characteristics of the incompressible material. The frangible matrix is different from the incompressible material. | 11-26-2015 |
| 20160060169 | Low-density high-strength concrete and related methods - A low-density, high-strength concrete composition that is both self-compacting and lightweight, with a low weight-fraction of aggregate to total dry raw materials, and a highly-homogenous distribution of a non-absorptive and closed-cell lightweight aggregate such as glass microspheres or copolymer polymer beads or a combination thereof, and the steps of providing the composition or components. Lightweight concretes formed therefrom have low density, high strength-to-weight ratios, and high R-value. The concrete has strength similar to that ordinarily found in structural lightweight concrete but at an oven-dried density as low as 40 lbs./cu.ft. The concrete, at the density ordinarily found in structural lightweight concrete, has a higher strength and, at the strength ordinarily found in structural lightweight concrete, a lower density. Such strength-to-density ratios range approximately from above 30 cu.ft/sq.in. to above 110 cu.ft/sq.in., with a 28-day compressive strength ranging from about 3400 to 8000 psi. | 03-03-2016 |
| 20160137902 | LIGHTWEIGHT HOLLOW PARTICLES FOR USE IN CEMENTING - A lightweight composite having an activated surface contains a lightweight hollow core particle having cement grains which may be adhered to the hollow core or embedded in the surface of the hollow core. The hollow core particle may be prepared from calcium carbonate and a mixture of clay, such as bentonite, and a glassy inorganic material, such as glass spheres, glass beads, glass bubbles, borosilicate glass and fiberglass. | 05-19-2016 |
| 106677000 | Organic material containing | 18 |
| 20100011994 | GYPSUM PRODUCTS UTILIZING A TWO-REPEATING UNIT DISPERSANT AND A METHOD FOR MAKING THEM - A gypsum slurry includes water, a hydraulic component including stucco and a polycarboxylate dispersant. The dispersant has two repeating units wherein the first repeating unit is an olefinic unsaturated mono-carboxylic acid repeating unit or an ester or salt, and the second repeating unit is a vinyl or allyl group bound to a polyether by an ether linkage. The slurry can be made into a gypsum panel. | 01-21-2010 |
| 20100077938 | STABLE FOAMED CEMENT SLURRY COMPOSITIONS AND METHODS FOR MAKING AND USING SAME - A foamed cement composition is disclosed for utilization in performing a variety of well cementing operations, and to methods for making and using same. The foamed cement composition basically includes a cement, water sufficient to form a pumpable slurry, a gas sufficient to foam the slurry, a foaming agent and optionally a foam stabilizing agent. | 04-01-2010 |
| 20120167804 | Method for In-Situ Manufacture of a Lightweight Fly Ash Based Aggregate - A method of making a rapid setting lightweight homogeneous foamed fly ash based cementitious aggregate composition with improved compressive strength for products such as panels is disclosed. The method mixes fly ash, alkali metal salt of citric acid, foaming agent for entraining air, optional foam stabilizing agent, a calcium sulfate such as stucco or gypsum, and water. Compositions are also disclosed which include mixtures of fly ash, particularly Class C fly ash alone or in mixtures with Class F fly ash, alkali metal salts of citric acid, foaming agents, a calcium sulfate such as calcium sulfate dihydrate or hemihydrate and an optional portland cement. | 07-05-2012 |
| 20120167805 | METHOD OF IMPROVING GYPSUM BOARD STRENGTH - One or more of these or other problems are improved using a method of making a strong gypsum panel which includes a method for forming a hardened shell structure at the interface of a foamed bubble and a gypsum slurry. A strengthening component is selected from the group consisting of set accelerators, water soluble polyphosphate salts, blends of water soluble polyphosphate salts with starch, boric acid, fibers, glycerin or combinations thereof. The strengthening component is combined with a foaming agent and with water to form an aqueous soap mixture. Foam is generated from the aqueous soap mixture, and added to a gypsum slurry. Allowing the strengthening component to contact the soap bubbles prior to addition of the foam to the gypsum slurry allows the strengthening component to preferentially contact the soap film rather than be dispersed through the entire slurry. | 07-05-2012 |
| 20120304893 | PROCESS FOR PRODUCTION OF A HYDRAULIC COMPOSITION WITH ENTRAINED AIR - A treatment process for the production of a hydraulic composition with entrained air including at least one admixture and a constituent including carbonaceous materials, the process including: obtaining a representative value of the adsorption of probe molecules by the carbonaceous materials; and producing the hydraulic composition or treating the constituent with a quantity of admixture which depends on the value. | 12-06-2012 |
| 20130025504 | GYPSUM-CONTAINING PRODUCT - 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 chosen from condensed phosphoric acids, each of which comprises 2 or more phosphoric acid units; and salts or ions of condensed phosphates, each of which comprises 2 or more phosphate units. The mixture is then maintained under conditions sufficient for the calcium sulfate material to form a set gypsum material. | 01-31-2013 |
| 20130061777 | System and Method for the Production of Gypsum Board Using Starch Pellets - The present invention relates to a system and method for the production of gypsum board using starch pellets. In accordance with the present disclosure, the starch necessary for board formation is provided in the form of starch pellets. These pellets are mixed with a gypsum slurry in a mixer. The pellets are initially insoluble and do not dissolve. However, during subsequent drying stages, the pellets become soluble and dissolve into the gypsum phase. This both provides the desired starch component and also results in the formation of voids within the set gypsum. | 03-14-2013 |
| 20130112115 | CO2-CAPTURING BINDER, PRODUCTION METHOD THEREOF BASED ON THE SELECTION, PURIFICATION AND OPTIMISATION OF CARBIDE LIME, AND AGGLOMERATES HAVING AN ENVIRONMENTAL ACTIVITY - The invention relates to CO | 05-09-2013 |
| 20130255541 | GLUTAMINE-RICH PEPTIDES AS AIR ENTRAINING AGENTS IN BUILDING MATERIAL COMPOUNDS - The use of hydrolysates of glutamine-rich proteins for use as air entraining agents in building material compounds. | 10-03-2013 |
| 20140245929 | SURFACTANTS - A particulate material for the production of a cement foam which material includes particles including, attached to the particle surface, a surfactant which renders the particles hydrophilic, the surfactant including a moiety which is hydrolysable under alkaline conditions, which surfactant, after loss of the moiety by alkaline hydrolysis, renders the particles partially hydrophobic. | 09-04-2014 |
| 20140305342 | METHOD FOR IN-SITU MANUFACTURE OF A LIGHTWEIGHT FLY ASH BASED AGGREGATE - A method of making a rapid setting lightweight homogeneous foamed fly ash based cementitious aggregate composition with improved compressive strength for products such as panels is disclosed. The method mixes fly ash, alkali metal salt of citric acid, foaming agent for entraining air, optional foam stabilizing agent, a calcium sulfate such as stucco or gypsum, and water. Compositions are also disclosed which include mixtures of fly ash, particularly Class C fly ash alone or in mixtures with Class F fly ash, alkali metal salts of citric acid, foaming agents, a calcium sulfate such as calcium sulfate dihydrate or hemihydrate and an optional portland cement. | 10-16-2014 |
| 20140373756 | Set-Delayed Cement Compositions Comprising Pumice and Associated Methods - A variety of methods and compositions are disclosed, including, in one embodiment, a method of cementing in a subterranean formation, comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; activating the set-delayed cement composition; introducing the set-delayed cement composition into a subterranean formation; and allowing the set-delayed cement composition to set in the subterranean formation. | 12-25-2014 |
| 20160194253 | Processes for the manufacture of light-weight inorganic foam materials and articles produced thereby | 07-07-2016 |
| 106678000 | Organic sulfur or organic phosphorus | 5 |
| 20080223258 | Method and System for Manufacturing Lightweight, High-Strength Gypsum Products - In accordance with a particular embodiment of the present invention, a method for producing a gypsum product includes providing a calcined gypsum powder. Water and an aqueous foam generated from a foaming agent comprising a first portion of sodium decyl sulfate are combined with the calcined gypsum powder to generate a foamed calcined gypsum slurry. The method may also include combining water, a foam generated from a first and second portion of the foaming agent, and the calcined gypsum powder. The second portion of the foaming agent may comprise ammonium decyl ether sulfate and ammonium octyl ether sulfate. | 09-18-2008 |
| 20090031925 | Gas-Forming Agent For Cement Composition - [Problem to be Solved] To provide a gas-forming agent which exhibits no hydrogen embrittlement and allows gas generation to achieve a desired amount of inflation even in the presence of nitrite, and a cement composition utilizing the agent which offers improved shrinkage compensation. | 02-05-2009 |
| 20120312193 | FOAMED CONCRETE - A foamed concrete having a density from 100 to 800 kg/m | 12-13-2012 |
| 20130213272 | Robust Air-Detraining for Cement Milling - The present invention discloses compositions and methods wherein air entrained in cementitious materials at least one air-entraining cement additive is detrained using an ethoxylated, propoxylated fatty alcohol or alkylphenol having robustness for withstanding the harsh temperature and mechanical shearing effects of cement grinding mills. Exemplary air-entraining cement additives include a tertiary alkanolamine, a lignosulfonic acid or salt thereof, naphthalene sulfonate formaldehyde condensate, melamine sulfonate formaldehyde condensate, a glycol, a glycerin, or mixtures thereof. | 08-22-2013 |
| 20160031761 | Surfactant Composition for Use in Gypsum Wallboard Manufacture - A gypsum composition including calcined gypsum, water, and a foaming agent composition which comprises at least one betaine, either alone or in combination with at least one alkyl sulfate and/or at least one alkyl ether sulfate, is disclosed. The gypsum composition can be used to prepare foamed gypsum wallboard. | 02-04-2016 |
| 106679000 | Slag, cinder or ash containing | 4 |
| 20080245274 | Carbon Dioxide Sequestration in Foamed Controlled Low Strength Materials - A process for sequestering carbon dioxide from the exhaust gas emitted from a combustion chamber is disclosed. In the process, a foam including a foaming agent and the exhaust gas is formed, and the foam is added to a mixture including a cementitious material (e.g., cement-kiln dust, lime kiln dust, or slag cement) and water to form a foamed mixture. Thereafter, the foamed mixture is allowed to set, preferably to a controlled low-strength material having a compressive strength of 1200 psi or less. The carbon dioxide in the exhaust gas reacts with hydration products in the controlled low-strength material and in turn sequesters the carbon dioxide. | 10-09-2008 |
| 20110000400 | Well Cement Compositions Comprising Biowaste Ash and Methods of Use - Cement compositions containing biowaste ash and methods of cementing in subterranean formations using such cement compositions. Examples of suitable biowaste ash include agricultural waste ash, municipal waste ash, waste-water treatment waste ash, animal waste ash, non-human-non-animal industrial waste ash, and combinations thereof. | 01-06-2011 |
| 20120160131 | Well Cement Compositions Comprising Biowaste Ash and Methods of Use - Cement compositions containing biowaste ash and methods of cementing in subterranean formations using such cement compositions. Examples of suitable biowaste ash include agricultural waste ash, municipal waste ash, waste-water treatment waste ash, animal waste ash, non-human-non-animal industrial waste ash, and combinations thereof. | 06-28-2012 |
| 20130247796 | CEMENT ADMIXTURE, CEMENT COMPOSITION, AND METHOD FOR REDUCING HEXAVALENT CHROMIUM USING THE SAME - The invention provides a cement admixture that improves the ability of concrete to bring about high initial strength, works in favor of enhancing the effect on hexavalent chromium reductions, and is less likely to decrease in the effect on hexavalent chromium reductions even upon storage as well as a method for reducing hexavalent chromium. The invention is embodied as (1) A cement admixture, characterized by comprising an expanding material containing free lime, a hydraulic compound and calcium sulfate anhydrite, and a tin sulfate-containing substance; (2) The cement admixture according to (1), characterized in that the tin sulfate-containing substance is contained in an amount of 0.2 to 8 parts by mass—as calculated on a tin sulfate basis—in a total of 100 parts by mass of the expanding material and the tin sulfate-containing substance; (3) The cement admixture according to (1) or (2), characterized in that the expanding material has been treated with carbon dioxide gas to form calcium carbonate therein; (4) The cement admixture according to any one of (1) to (3), characterized in that the expanding material has been surface treated with a shrinkage reducer; (5) A cement composition, characterized by containing cement, and the cement admixture according to any one of (1) to (4); and (6) A method for reducing hexavalent chromium, characterized by use of the cement composition according to (5). | 09-26-2013 |
| 106680000 | Calcium sulfate containing (e.g., anhydrite, plaster of Paris, gypsum, etc.) | 4 |
| 20090260544 | Well Treatment Compositions and Methods Utilizing Nano-Particles - Disclosed embodiments relate to well treatment fluids and methods that utilize nano-particles. Exemplary nano-particles are selected from the group consisting of particulate nano-silica, nano-alumina, nano-zinc oxide, nano-boron, nano-iron oxide, and combinations thereof. Embodiments also relate to methods of cementing that include the use of nano-particles. An exemplary method of cementing comprises introducing a cement composition into a subterranean formation, wherein the cement composition comprises cement, water and a particulate nano-silica. Embodiments also relate to use of nano-particles in drilling fluids, completion fluids, simulation fluids, and well clean-up fluids. | 10-22-2009 |
| 20130074737 | LOW THERMAL TRANSMISSION BUILDING MATERIAL - A wallboard, a method of preparing a wallboard, and a method of making a gypsum slurry to prepare a wallboard are provided. The wallboard includes a set gypsum dihydrate derived substantially from a non-fibrous form of calcium sulfate and selected from the group consisting of anhydrous gypsum and gypsum hemihydrate. The wallboard also includes an aerogel dispersed in the gypsum dihydrate. | 03-28-2013 |
| 20140026786 | Method and Apparatus for Manufacturing Gypsum Products - A method and system for producing a gypsum product comprising a mixer for mixing gypsum and water and two foam feeds into the system wherein the foam feeds each comprise foam of different bubble size distributions. | 01-30-2014 |
| 20150315074 | MIXING AND STIRRING DEVICE, MIXING AND STIRRING METHOD, AND METHOD FOR MANUFACTURING LIGHTWEIGHT GYPSUM BOARD - Turning motion of gypsum slurry spouting onto a sheet of paper for a gypsum board liner is restricted for preventing maldistribution, deviation or irregular dispersion from occurring in the density distribution of the slurry on the sheet of paper. A mixing and stirring device for gypsum slurry has a circular casing forming a mixing area, a rotary disc positioned in the casing, and a tubular passage for feeding the slurry onto the sheet of paper for gypsum board liner. A chute has a fluid passage portion with its cross section being non-axisymmetric with respect to a center axis of the tubular passage, or a fluid passage portion varying a position of the center axis of the tubular passage by means of change or lateralization of the cross section of fluid passage. | 11-05-2015 |
