| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 106640000 | Free metal or alloy containing (e.g., dust, powder, etc.) | 41 |
| 20090090276 | Cementitious Formulations and Products - Cementitious formulations and their products with enhanced reactivity are provided. Formulations in certain embodiments may include at least one calcium source, a reactant and a filler in a hydrated environment, wherein the reactant, in one form, is crystalline silica that has been modified for reactivity. Enhancement of a reactant may include one or more modifications to its content, grind and/or the cement to silica ratio, as well as addition of one or more additives in the formulation, additives in the form of at least one alumina source, defoamer, catalyst and/or a clay. | 04-09-2009 |
| 20090293770 | PROTECTIVE CONCRETE FOR WEAKENING THE INTENSITY OF PROTON RADIATION - Provided is a protective concrete for weaken the intensity of proton radiation, and it is prepared by mixing 525# cement 500-700 Kg; barite sand 1000-1400 kg, barite stone 1500-1800 Kg, lead powder 180-200 Kg and water 170-180 Kg. The barite that can absorb the proton radiation is used, so the present concrete is much better than conventional concretes in weakening the proton radiation, and 1.5 m-thick wall without lead plates which is prepared with the present concrete can achieve the same effect on weakening the proton radiation with a conventional 2 m-thick wall covering with lead plates. | 12-03-2009 |
| 20100043673 | CONCRETE COMPOSITIONS - A concrete which includes in parts by weight: 100 Portland cement; 50 to 200 of a sand having a single grading with a D10 to D90 between 0.063 and 5 mm, or a mixture of sands, the finest sand having a D10 to D90 between 0.063 and 1 mm and the coarsest sand having a D10 to D90 between 1 and 4 mm; 10 to 50 of a particulate, substantially non-pozzolanic material having a mean particle size less than 15 μm; 0.1 to 10 of a water-reducing superplasticizer; and 10 to 30 of water; which concrete is substantially free of silica fume; the concrete having a compressive strength greater than 100 Mpa at 28 days. | 02-25-2010 |
| 20100071595 | WATER-BASED SETTING AND HARDENING ACCELERATOR FOR HYDRAULIC BINDERS AND PROCESS FOR PRODUCING IT - A water-based coagulating and hardening accelerator for hydraulic binding agents, comprising sulfate, aluminum and organic acid. The molar ratio of aluminum to organic acid is less than 0.65. Preferably, the molar ratio of aluminum to carboxylic acid is less than 0.60 and greater than 0.38. | 03-25-2010 |
| 20100139527 | PREMIXING AND DRY FIBRATION PROCESS - The process is described for the dry mixing of fibers of different types and sizes with materials formulated with cementants or agglutinant components, granular aggregates and able to include or otherwise other additional ingredients. The principal characteristics of the process are to ensure a correct incorporation of the fibers with the rest of the materials, increase the mechanical fastening of same with the rest of the components and facilitate the use of formulas with high fiber content (over-fibration). | 06-10-2010 |
| 20100319583 | ARCHITECTURAL STONE COMPOSITION AND METHOD OF USE - Compositions for fabricating architectural works wherein the compositions utilize one or more cement materials, additives, fibers and recycled glass. Exemplary cement materials include Portland cement, calcium aluminate, fly ash and/or E glass. Exemplary additives include boric acid, citric acid, lithium, plasticizer and/or methylcellulose ethers. Exemplary fibers include polyvinyl alcohol (PVA) and/or micro-fibers. Crushed recycled glass is used as an aggregate or non-reactive material. Other ingredients may be used including: sodium hydroxide, potassium hydroxide and hydrated lime to alter the PH; ferrous sulfate, mono-potassium phosphate, or manganese carbonate and magnesium sulfate as color enhancements; and/or pozzolans (Vcas) to neutralize the ASR efflorescence. | 12-23-2010 |
| 20110030586 | CARBONATE PRODUCTS FOR CARBON CAPTURE AND STORAGE - Aspects of the invention include methods of contacting carbon dioxide with an aqueous mixture. In practicing methods according to certain embodiments, a subterranean brine may be contacted with carbon dioxide to produce a reaction product, which may or may not be further processed as desired. Also provided are methods in which a brine or minerals are contacted with an aqueous composition. Aspects of the invention further include compositions produced by methods of the invention as well as systems for practicing methods of the invention. | 02-10-2011 |
| 20110067600 | 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. | 03-24-2011 |
| 20110088596 | REINFORCED STRUCTURE COMPRISING A CEMENTITIOUS MATRIX AND ZINC COATED METAL ELEMENTS - The invention relates to a reinforced structure comprising a cementitious matrix and zinc coated metal elements. The structure comprises at least at the interface of the zinc coated metal elements and the cementitious matrix a compound selected from the group consisting of the imidazoles, the triazoles and the tetrazoles. The invention further relates to a zinc coated metal element for the reinforcement of a cementitious matrix and to a method to inhibit hydrogen gas evolution at the interface of zinc coated metal elements embedded in a cementitious matrix. | 04-21-2011 |
| 20110239905 | CORD FOR REINFORCEMENT OF A CEMENTITIOUS MATRIX - The invention relates a cord for the reinforcement of a cementitious matrix. The cord comprises number of coated metal filaments twisted together to form a cord. The cord shows cross-sections, whereby three or more of the filaments form a closed sub-structure having a void in the middle of the three or more filaments. The cord further comprises a protective compound whereby the protective compound is at least present in said void. The protective compound gives the coated metal element cathodic protection. The invention further relates to a structure comprising a number of cords such as a knitted, a braided, a welded or a glued structure. Furthermore the invention relates to a cementitious matrix reinforced with a cord according to the present invention and to a method to inhibit hydrogen gas evolution at the interface of a cord embedded in a cementitious matrix. | 10-06-2011 |
| 20120031303 | CALCIUM CARBONATE COMPOSITIONS AND METHODS THEREOF - Provided herein are cementitious compositions including hydraulic cement, supplementary cementitious material, and/or self-cementing material. Such compositions may be made from carbonate brines. Methods and systems for making the compositions and using the compositions are also provided. | 02-09-2012 |
| 20130042792 | AQUEOUS ASPHALT/WAX EMULSIONS FOR USE IN GYPSUM COMPOSITIONS AND BUILDING PRODUCTS - Aqueous asphalt/wax emulsions are disclosed herein for use in gypsum formulations and other building products. The emulsions may include water; a wax component; an asphalt component; and at least one emulsifier. Optional additives may also be included in the emulsion or in a slurry formed from such emulsion for preparing a settable gypsum composition herein. Methods of making such emulsions are also provided. | 02-21-2013 |
| 20130074736 | Chemical Admixtures for Hydraulic Cements - This invention relates to a new class of chemical admixtures for hydraulic cement compositions such as pastes, mortars, grouts and concretes. The cement compositions are comprised of ordinary Portland cement, blended cements, or non-Portland cements made with Supplementary Cementitious Materials. The admixtures contain complexes of metals with derivatives of hydroxycarboxylic acids, and improve properties of cement compositions, including setting, hardness, compressive strength, shrinkage, and freeze-thaw resistance. The invention discloses a method for improving the properties of hydraulic cements by adding the disclosed chemical admixtures to cement compositions, and also discloses methods of preparing said admixtures. | 03-28-2013 |
| 20130098269 | METHOD FOR TREATMENT OF HAZARDOUS PAINT RESIDUE WITH NON-SEPARATING, NON-EMBEDDING, NON-TOXIC, COMPATABLE, DRY STABILIZER AND BLAST MEDIA PRE-BLEND - The invention provides an optimal method for stabilization of heavy metal bearing paint residue subject to acid and water leaching tests or leach conditions by addition of environment safe, worker safe, multi-media compatible, non-separating, non-embedding, stabilizing agent and optional complexing agent(s) to the blast media, thus allowing for pre-blending of stabilizer and blast media and field production of a uniform and steady state stabilizer within media for stabilization outside or within an OSHA containment building or collection device, such that leaching of heavy metals such as lead are inhibited to desired levels. The resultant stabilized paint residue and spent blast media mixture is suitable for on-site reuse, off-site reuse, or disposal as RCRA non-hazardous waste. | 04-25-2013 |
| 20140014005 | Dry Application Papercrete - A dry papercrete mix is formed by preparing a wet pulp of fiber material such as newsprint and sharp sand by mixing sand, fiber material and water in a batch or continuous mixer, drying the pulp to a moisture content below that which will cause a reaction with Portland cement and adding additional sand and/or pumice and Portland cement. The resulting dry mix can then be handled, stored and used in the manner which is conventional for concrete. The dry papercrete mix can also be applied by pouring the dry papercrete mix into a form in a dry state and injecting water into the dry mix until the mix is sufficiently wetted without mixing in the manner common for concrete. Structural modules and a technique for joining them into a structure are particularly appropriate to the use of dry application papercrete. | 01-16-2014 |
| 20160031757 | CARBONATABLE CALCIUM SILICATE COMPOSITIONS AND METHODS THEREOF - The invention provides novel carbonatable calcium silicate compositions and carbonatable calcium silicate phases that are made from widely available, low cost raw materials by a process suitable for large-scale production. The method of the invention is flexible in equipment and production requirements and is readily adaptable to manufacturing facilities of conventional cement. The invention offers an exceptional capability to permanently and safely sequesters CO | 02-04-2016 |
| 106641000 | Aluminum | 7 |
| 20080308011 | Subterranean Cementing Methods and Compositions Comprising Oil Suspensions of Water Soluble Polymers - Of the many methods and compositions provided herein, one method comprises providing a cement composition, wherein the cement composition comprises a cementitious component and an additive comprising a polymer, a phosphorus component, a polyvalent metal ion, an oil-based liquid, and a surfactant; introducing the cement composition into at least a portion of the subterranean formation; and allowing the cement composition to at least partially set therein. Another method provided herein comprises providing a cement composition that comprises a cementitious component and an additive comprising a polymer, a phosphorus component, a polyvalent metal ion, an oil-based liquid, and a surfactant; introducing the cement composition into a void located in a pipe string; and allowing the cement composition to at least partially set therein. A cement composition provided herein comprises a cementitious component; and an additive comprising a polymer; a phosphorus component; a polyvalent metal ion; and an oil-based liquid; and a surfactant. | 12-18-2008 |
| 20130087074 | COPPER-BASED ALLOY AND STRUCTURAL MATERIAL COMPRISING SAME - A copper-based alloy which contains 7.8 to 8.8 mass % of Al, 7.2 to 14.3 mass % of Mn and a remainder made up by Cu and unavoidable impurities, has a largest crystal grain diameter of more than 8 mm, has good shape memory properties, and enables the production of a structural material having a cross-section size suitable for use as a structure body or the like; and a structural material comprising the copper-based alloy. The copper-based alloy may additionally contain at least one element selected from the group consisting of Ni, Co, Fe, Ti, V, Cr, Si, Ge, Nb, Mo, W, Sn, Bi, Sb, Mg, P, Be, Zr, Zn, B, C, S, Ag and a misch metal in the total amount of 0.001 to 5 mass %. | 04-11-2013 |
| 20130152824 | ELECTROLYTIC COMPOSITE MATERIALS - A composition comprising a metallic composition, an inorganic oxide-based polymer, and a solvent. A cure product of the metallic composition, inorganic oxide-based polymer, and solvent, the cure product having a network structure, are also disclosed. | 06-20-2013 |
| 20140311385 | LOW CEMENT SPINEL STABILIZED SILICON CARBIDE COMPOSITE MATERIAL - An oxidation resistant low cement silicon carbide composite material, including a high alumina cement matrix portion in an amount of about 8 weight percent, a high alumina spinel portion in an amount between about 5 weight percent and about 20 weight percent, a silica fume portion in an amount of about 8 percent, a chrome aluminum stainless steel alloy needle additive portion, and a silicon carbide portion in an amount defining a remainder of the composition. The high alumina cement portion contains about 68 weight percent alumina and about 31 weight percent calcia, and the high alumina spinel portion contains about 78 weight percent alumina and about 22 weight percent magnesia. | 10-23-2014 |
| 106642000 | Organic material containing | 3 |
| 20090071375 | Gas-Generating Additives Having Improved Shelf Lives for Use in Cement Compositions - According to various embodiments, gas-generating additives for use in a cement composition comprise: a gas-generating material at least partially coated with a mixture comprising a fatty acid ester of sorbitan, glycerol, or pentaerythritol and having a shelf life of about 12 months or greater. The gas-generating additives may also include a C | 03-19-2009 |
| 20110017100 | WATER-BASED SETTING AND HARDENING ACCELERATOR FOR HYDRAULIC BINDERS AND PROCESS FOR PRODUCING IT - A water-based coagulating and hardening accelerator for hydraulic binding agents, comprising sulfate, aluminum and organic acid. The molar ratio of aluminum to organic acid is less than 0.65. Preferably, the molar ratio of aluminum to carboxylic acid is less than 0.60 and greater than 0.38. | 01-27-2011 |
| 20130247795 | REINFORCED SULPHUR CONCRETE - Reinforced sulphur concrete wherein one or more metal reinforcing members are in contact with sulphur concrete is disclosed. The reinforced sulphur concrete comprises an adhesion promoter that enhances the interaction between the sulphur and the one or more metal reinforcing members. | 09-26-2013 |
| 106643000 | Iron or steel | 18 |
| 20100282130 | HEAVY CONCRETE - It is aimed at providing a heavy concrete, which does not require addition of a thickener such as methyl cellulose, which is less in segregation between a heavy aggregate and a cement paste, and which is high in flowability and excellent in construction ability. The present invention provides a heavy concrete comprising, at least, a cement, a heavy aggregate, and water, mixed with one another, characterized in that the heavy fine aggregate includes hot scarves brought about in a scarfing process of a steel slab surface. The present invention further provides the above-described heavy concrete characterized in that the heavy fine aggregate includes fine aggregate particles passing through a sieve having a nominal size of 0.15 mm, in an amount of 10% to 20% in mass percentage, and the heavy fine aggregate includes spherical particles each having a distortion irregularity of 3.3 or less as defined below, in an amount of 20% or more in the whole of particles having diameters between 50 μm inclusive and 5 mm inclusive in the heavy fine aggregate: | 11-11-2010 |
| 20110297047 | FAST SETTING LOW PERMEABILITY CEMENT AND CONCRETE - A calcium sulfoaluminate-based concrete with a permeability of less than 1000 Coulombs. Rapid-setting low chloride-ion permeability calcium sulfoaluminate (CSA) cements and concretes include CSA and a suitable polymer such as a sol-gel derived, organic-inorganic, silica based hybrid coating solutions of polystyrene-butylacrylate polymers containing active silanol groups protected by hydroxyl groups containing polyalcohol, or other polymers. Such polymers may be added as powders or as liquid in the finish mill. Other rapid-setting low chloride-ion permeability (CSA) cements and concretes include CSA with selected particle size distributions, and do not require use of any polymer. These CSA cements and concretes have low chloride-ion permeability, high early strength, fast setting times, low-shrinkage, and high freeze-thaw resistance. | 12-08-2011 |
| 20120031304 | LIPID-COATED METALLIC SULFATES COMPOSITIONS FOR REDUCING CATIONS IN CEMENT BASED COMPOSITIONS, AND RELATED METHODS - A cement-based composition which comprises a mixture of a hyrdratable, cement-based composition and a compound comprising a metallic cationic species, the compound being in particulate form, the particles of the particulate compound having a lipid coating. | 02-09-2012 |
| 20140123878 | PROCESS FOR THE PRODUCTION OF BINDERS - The invention relates to a process for the production of binders by calcinating mineral raw material mixtures. In order to improve the process and the quality of the binders, it is proposed that oil shale and/or oil sand fills are converted by targeted agglomeration into particles of a certain size and consistency, wherein the water content for the mechanical stabilization of the agglomerate is adjusted to less than 25 percent and the agglomerates are calcinated to form binders at temperatures between 800 and 1500° C. under reductive conditions over the entire process with a Lambda value <1 in a vertical shaft furnace with updraft gasification. The binding properties are adjusted by the targeted addition of CaO-containing substances and/or existing sulfur fractions of the oil sands and/or oil shales are bound by means of the CaO that is present in the starting material and/or added. | 05-08-2014 |
| 20140261088 | TERNESITE USED AS AN ACTIVATOR FOR LATENT-HYDRAULIC AND POZZOLANIC MATERIALS - The present invention relates to binders based on latently hydraulic and/or pozzolanic materials that are activated by an addition of ternesite (C | 09-18-2014 |
| 20150101510 | METHODS OF CEMENT ADDITIVE ADDITION - The invention provides methods and compositions for producing and grinding cement. The method makes use of combining an additive with one or more components selected from a list of gypsum, hemihydrate, anhydrite, calcium sulfate to form a mixture then blending the mixture with clinker, and finally grinding the mixture and clinker to form cement. By adding the additives before grinding the amount of water and energy needed for mixing is reduced. | 04-16-2015 |
| 106644000 | Fiber, bar or wire containing | 12 |
| 20080314293 | Refractory Material with Stainless Steel and Organic Fibers - A refractory includes a cement, a binder and a matrix. The matrix comprises both stainless steel fibers and organic fibers. The refractory can be easily cast, without additional steel reinforcement, into large fire wall | 12-25-2008 |
| 20090178590 | METHOD FOR REINFORCING CONCRETE - A method for making a multi-stage cementitious material with high-temperature reinforcing fibers | 07-16-2009 |
| 20110197790 | MODIFIED SULFUR BINDER AND THE FABRICATION METHOD THEREOF, HYDRAULIC MODIFIED SULFUR MATERIAL COMPOSITION AND THE FABRICATION METHOD THEREOF OR COMBUSTIBLE MODIFIED SULFUR MATERIAL COMPOSITION AND THE FABRICATION METHOD THEREOF CONTAINING THE MODIFIED SULFUR BINDER - A modified sulfur binder capable of implementing a physical property of being re-melted at a temperature less than 100° C., by mixing sulfur with a heterocyclicamine or alkylamine-based modifier and a dicyclopentadiene-based modifier, and a fabrication method thereof. A hydraulic modified sulfur material composition capable of being mixed with water by adding a surfactant to the modified sulfur binder, and obtained by mixing aggregate and a hydraulic material to the modified sulfur binder, and a fabrication method thereof. A hydraulic modified sulfur material obtained by molding the hydraulic modified sulfur material composition, and a fabrication method thereof. A combustible modified sulfur material composition obtained by adding aggregate to the modified sulfur binder, and by selectively adding a filler to the modified sulfur binder, and a fabrication method thereof. A combustible modified sulfur material obtained by molding the combustible modified sulfur material composition, and a fabrication method thereof. | 08-18-2011 |
| 20120090507 | HIGH ELONGATION FIBRES - The invention relates to a steel fibre for reinforcing concrete or mortar. The fibre has a middle portion and two ends. The middle portion has a ensile strength of at least 1000 N and an elongation at maximum load A | 04-19-2012 |
| 20120097073 | HIGH ELONGATION FIBRE WITH GOOD ANCHORAGE - The invention relates to a steel fibre for reinforcing concrete or mortar. The fibre has a middle portion and anchorage ends. The middle portion has a maximum load capacity F | 04-26-2012 |
| 20120111234 | CHLORIDE INGRESS-RESISTANT CONCRETE - An reinforced cementitious material structure is provided that includes a cementitious material made from an industrial waste byproduct from a titanium metal production process or from a titanium dioxide production process. The byproduct is used as a partial cement replacement. In some embodiments, the reinforced cementitious material structure can comprise a metal reinforcing structure in contact with a hardened cementitious material. The hardened cementitious material can comprise cement and the industrial waste byproduct. The cement can be used to make concrete and other cementitious material products for structural and non-structural uses, with little or no corrosion or other deterioration of an embedded metal reinforcing structure. | 05-10-2012 |
| 20130255540 | STEEL FIBRE FOR REINFORCING CONCRETE OR MORTAR HAVING AN ANCHORAGE END WITH AT LEAST THREE STRAIGHT SECTIONS - A steel fibre for reinforcing concrete or mortar has a middle portion and an anchorage end at one or both ends of the middle portion. The middle portion has a main axis. The anchorage end comprises at least a first straight section, a first bent section, a second straight section, a second bent section and a third straight section. The first straight section and the third straight section are bending away from the main axis of the middle portion in the same direction. The second straight section is substantially parallel with the main axis of said middle portion. | 10-03-2013 |
| 20140060388 | ULTRA HIGH PERFORMANCE CONCRETE REINFORCED WITH LOW-COST GRAPHITE NANOMATERIALS AND MICROFIBERS, AND METHOD FOR PRODUCTION THEREOF - Ultra-high-performance cementitious materials are made using suitably functionalized and relatively low-cost carbon nanofibers and graphite platelets. Polyelectrolytes and surfactants are physisorbed upon these graphite nanomaterials in water, and dispersion of nanomaterials in water is achieved by stirring. Stable and well-dispersed suspensions of nanomaterials in water are realized without using energy-intensive and costly methods, and also without the use of materials which could hinder the hydration and strength development of ultra-high-performance cementitious materials. The water incorporating dispersed nanomaterials is then mixed with the cementitious matrix and, optionally, microfibers, and cured following standard concrete mixing and curing practices. The resulting cementitious materials incorporating graphite nanomaterials and optionally microfibers offer a desired balance of strength, toughness, abrasion resistance, moisture barrier attributes, durability and fire resistance. | 03-06-2014 |
| 20140202358 | Seawater-Mixed Concrete, Concrete Structure Constructed with the Same, and Design Method of Concrete Structure Constructed with Seawater-Mixed Concrete - The present invention relates to concrete with necessary durability using seawater and sea sand. The seawater mixed concrete of the present invention is obtained by mixing a mixture including slag-containing cement and sea sand, with seawater. And by including a nitrite-based admixture and pozzolan, the diffusion coefficient of concrete after hardening can be reduced to restrain the external intrusion of harmful factors. Further, the concrete structure according to the present invention can include seawater mixed concrete and reinforcement for increasing tensile strength. | 07-24-2014 |
| 20150047533 | ULTRA-HIGH PERFORMANCE CONCRETE AND CONCRETE COMPONENT PRODUCED THEREFROM - Ultra-high performance concrete produced from cement, aggregate, water, fillers, and additives, wherein the aggregate comprises 800-1,300 kg of an igneous rock in the form of crushed stone per cubic meter of concrete. | 02-19-2015 |
| 20150329424 | MICRO-REBAR CONCRETE REINFORCEMENT SYSTEM - A method for designing and manufacturing micro reinforced concrete that produces a composite material that shares physical properties with both the reinforcing material and the concrete. Micro reinforced concrete is a two-part system that made of micro reinforcements, which are twisted steel fibers, and a concrete matrix. The micro reinforcements are added at a specified dose to an ordinary concrete matrix to create the micro reinforced concrete. | 11-19-2015 |
| 20150376060 | GEOPOLYMER-BINDER SYSTEM FOR FIRE CONCRETES, DRY FIRE CONCRETE MIX CONTAINING THE BINDER SYSTEM AND ALSO THE USE OF THE MIX - An alkaline-activated binder system for fire concretes includes at least one mineral binder and a mineral activator which, in a mixture with water, form a curing geopolymer, where a combination of at least two magnesium components (Mg components) which give an alkaline reaction with water and react with the binder at different times to form a geopolymer is present as activator, where the magnesium components have a different reactivity in respect of atmospheric moisture and/or in respect of the binder. A dry fire concrete mix contains the binder system and the mix may be used in, for example, facilities in the steel industry. | 12-31-2015 |
