| 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 | 40 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 | 2 |
| 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 |
| 106675000 | Perlite or vermiculite containing (e.g., jeffersite, etc.) | 7 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 106676000 | Glass containing | 4 |
| 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 |
| 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 |
| 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 |
| 20120318171 | NEW FOAMED CONCRETE - A foamed concrete having a density from 100 to 800 kg/m | 12-20-2012 |
| 106677000 | Organic material containing | 11 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 106678000 | Organic sulfur or organic phosphorus | 3 |
| 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 |
| 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 |
| 20120312193 | FOAMED CONCRETE - A foamed concrete having a density from 100 to 800 kg/m | 12-13-2012 |
| 106679000 | Slag, cinder or ash containing | 3 |
| 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 |
| 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 |
| 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 |
| 106680000 | Calcium sulfate containing (e.g., anhydrite, plaster of Paris, gypsum, etc.) | 2 |
| 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 |
| 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 |
