| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 106668000 | Bituminous material or tarry residue, pitch, or coal containing | 27 |
| 20080250980 | Agglomerated Stone for Using in Shaft, Corex or Blast Furnaces, Method for Producing Agglomerated Stones and Use of Fine and Superfine Iron Ore Dust - In order to also be able to economically use iron ore dust which is created by the extraction and preparation of iron ore and has not been usable until now, the invention proposes an agglomerated stone comprising (in wt. %) 6-15% of a cement binding agent, up to 20% of a carbon carrier, up to 20% of residual and recyclable substances, optionally up to 10% of a coagulation and solidification accelerator and the remainder consisting of iron ore in a stone format in the form of particles having a particle size of less than 3 mm as well as possessing after three days an initial strength of at least 5 N/mm | 10-16-2008 |
| 20080264301 | COAL COMBUSTION PRODUCT CEMENTS AND RELATED METHODS OF PRODUCTION - Coal combustion product cement compositions produced using classes of relatively low-cost industrial by-products and low-value minerals. A variety of highly sustainable cements with low-environmental impact can be provided. Coal combustion by-products and other wastes produced on the large scale from the burning of coal or coal and biomass in coal-fired power stations with or without low-value minerals, processed minerals, and/or by-products of the mining, mineral processing, metal refining, petrochemical, fine chemical, pharmaceutical, agrochemical, biotechnology, food, feed and energy industries, as well as agricultural and municipal by-products, can be utilized to provide improved cements and cementitious materials that are more economic and environmentally friendly than traditional cements including Portland cement. | 10-30-2008 |
| 20080314295 | 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. | 12-25-2008 |
| 20090301352 | PRODUCTION OF CARBONATE-CONTAINING COMPOSITIONS FROM MATERIAL COMPRISING METAL SILICATES - Provided are methods for producing carbonate-containing compositions comprising silicon-based material (e.g., pozzolanic material) from a source of carbon dioxide, a divalent cation-containing solution, and a source of proton-removing agents. In such methods, divalent cations of the divalent cation-containing solution are provided by digestion of material comprising metal silicates. Also provided are methods for producing carbonate-containing compositions comprising little or no silicon-based material. In such methods, silicon-based material (e.g., silica, unreacted or undigested silicates, aluminosilicates, etc.) may be separated and processed separately from carbonate-containing compositions. Silicon-based material and carbonate-containing material may be blended at a later stage to produce a pozzolanic material, which may be further processed and blended with, for example, Portland cement. | 12-10-2009 |
| 20100154680 | PIGMENT GRANULES WHICH CONTAIN INORGANIC FILTER AIDS - The present invention relates to pigment granules which contain inorganic filter aids and a process for the production thereof and their use for colouring lime- and/or cement-bound building materials, asphalt, paints, finishes, paper or plastics. | 06-24-2010 |
| 20100212550 | COMPOSITIONS AND METHODS TO SEQUESTER FLUE GAS MERCURY IN CONCRETE - Mercury adsorbed from combustion gas by activated carbon can be sequestered in concrete containing air entraining admixtures. The activated carbon may be made by providing a carbon char made from anthracite or low-volatile bituminous coal that was devolatilized and carbonized in an oxygen-depleted environment and activating this char in the presence of steam to provide an activated carbon with an acid blue 80 index of less than about 30 milligrams per gram of carbon. The activated carbon may also be made by providing a carbon char that was devolatilized and carbonized in an oxygen-depleted environment and activating this char in the presence of oxygen to provide an activated carbon. The carbon may be injected into a combustion gas stream containing fly ash and mercury and may then be removed with fly ash from the gas stream. The resulting composition may be used as a partial substitute for cement in air-entrained concretes. | 08-26-2010 |
| 20100224101 | Method for recycling construction and demolition fines - The method for recycling construction and demolition fines involves using mixed fines from construction and demolition debris that would otherwise be disposed of at landfills as an ingredient in cement or concrete. The mixed fines contain a plurality of materials selected from the group consisting of asphalt, plastics, ceramics, fiberglass and batt insulation, soil, dust, drywall, wood, plaster, paper, cardboard, dirt. The fines may also contain particles of recyclable materials, such as concrete, bricks, mortar, metals, glass, and the like. The fines may range in size from microns up to 6 inches in at least one direction. The recycler may incorporate the fines into a concrete mix for bulk sale to commercial enterprises, or may himself form precast, lightweight concrete products, such as decorative columns, pedestals and table bases, trim moldings and cornices, door surrounds, etc. | 09-09-2010 |
| 20110041733 | METHOD FOR PRODUCING AN AGGREGATE FOR PRODUCING BUILDING MATERIALS - The invention relates to a method for producing an aggregate for the production of building materials, wherein a starting material containing at least one fibre-containing waste fraction has had heavy materials removed and been comminuted in order to obtain a substantially free-flowing aggregate. Improved product properties can be achieved in such a way that the fibre content is set between 3% and 45%, preferably between 5% and 25%, and more preferably between 7% and 12%, and a mass fraction of between 2% and 25%, preferably between 2% and 10%, and more preferably between 3% and 8%, of a fine-grain inorganic additive is set. The invention further relates to an aggregate produced according to this method, and to asphalt or concrete. | 02-24-2011 |
| 20110174195 | USE OF AN EXOTHERMIC MIXTURE FOR MANUFACTURING ASPHALT CONCRETE - The present invention relates to the use of an exothermic mixture of at least i) an acidic anhydride or an acid salt and of at least ii) a basic anhydride or a basic salt, in a cold, warm or semi-warm bituminous mix based on a bituminous binder containing water in order to increase the temperature of the bituminous mix. It also relates to a process for manufacturing a bituminous mix using the exothermic mixture, to the bituminous mix capable of being obtained by this process and to the use thereof for the manufacture of a road surface. It additionally relates to the use of the exothermic mixture in order to dry the aggregates and to the aggregates containing this mixture. Finally, it relates to the use of the exothermic mixture in a bitumen emulsion. | 07-21-2011 |
| 20110247525 | METHOD AND PLANT FOR PREPARING HOT-MIX ASPHALT - There is described a hot-mix asphalt plant intended for the production of hot-mix asphalt using a full percentage of milled asphalt product or using cold ingredients and filler charge for producing first grade hot-mix asphalt, comprised of a circular chamber | 10-13-2011 |
| 20110283920 | Mixtures of Zeolite and RAP/RAS - Embodiments of the invention provide method for preparing mixtures of natural or artificial zeolite with at least one of recycled asphalt shingles and recycled asphalt pavement. The prepared mixtures are also within the scope of the invention. Mixtures prepared as described herein may be useful, for example, for mixture with hot mix asphalt and cold patch asphalt. | 11-24-2011 |
| 20120103232 | Utilization of Heavy Oil Fly Ash to Improve Asphalt Binder and Asphalt Concrete Performance - Disclosed herein are an asphalt concrete mixture, an asphalt binder composition, and methods of preparing the related compositions. The asphalt binder compositions include heavy oil fly ash that contains more than about 90 wt. % carbon. The compositions are capable of being performance graded. The binder can be used to modify the asphalt and also as a filler in asphaltic concrete compositions. | 05-03-2012 |
| 20120180702 | ZEOLITE AND WATER SLURRIES FOR ASPHALT CONCRETE PAVEMENT - Embodiments provide slurries of water and zeolite. These slurries have beneficial properties when mixed with asphalt. These beneficial properties may include extension of the asphalt as well as a decrease in the temperature used to process the cement. In some embodiments additional additives are included, such as anti-strip amines. Methods of making and using the slurries, as well as cement mixtures incorporating the slurries are also included herein. | 07-19-2012 |
| 20120240824 | METHOD FOR EXTRACTING BITUMEN FROM AN OIL SAND FEED STREAM - A method for extracting bitumen from an oil sand feed stream comprises at least the steps of: (a) providing an oil sand feed stream; (b) contacting the oil sand feed stream with an aliphatic hydrocarbon solvent thereby obtaining a solvent-diluted oil sand slurry; (c) separating the solvent-diluted oil sand slurry, thereby obtaining a solids-depleted stream and a solids-enriched stream; and (d) removing solvent from the solids-enriched stream thereby obtaining a dry product comprising sand and bitumen, wherein the bitumen in the dry product comprises at least 40 wt. % asphaltenes. | 09-27-2012 |
| 20130008348 | COMPOSITION FOR PELLETIZED BITUMEN AND METHOD FOR PREPARING THE SAME - A composition for pelletized bitumen and a method for preparing the same is disclosed. The composition is comprised of: between approximately 30% to approximately 40% by weight of bitumen; between approximately 15% to approximately 30% by weight of stiffening compound; between approximately 35% to approximately 45% by weight of setting compound; and approximately 0.05% by weight of water. The stiffening compound is comprised of between approximately 10% to approximately 20% by weight of ground asphalt shingles; between approximately 5% to approximately 10% by weight of vulcanized rubber; between approximately 1% to approximately 2% by weight of uintahite; and up to approximately 0.5% by weight of zeolite. And the stiffening compound may be Type II Portland cement. | 01-10-2013 |
| 20130036947 | METHOD OF MAKING AND USE OF A HEAVY DUTY PAVEMENT STRUCTURE - The present invention is directed to a heavy duty pavement structure comprising an open-graded asphalt layer fortified with a non-segregating grout mixture. The heavy duty pavement structure is made through the steps including forming an open-graded asphalt layer and then fortifying the layer with a non-segregating grout mixture that includes a predetermined amount of portland cement, sand and cement binder system. | 02-14-2013 |
| 20130042793 | ASPHALT MODIFICATION PROCESSING SYSTEM AND METHOD FOR ASPHALT ADDITIVES - A process method for producing modified asphalt binder compositions that involves mixing an asphalt binder and at least one asphalt additive and/or asphalt modifier in a stirred ball mill so as to subject the mixture to mixing, shearing, impacting and grinding. | 02-21-2013 |
| 20140083332 | METHOD FOR EXTRACTING BITUMEN FROM AN OIL SAND STREAM - The present invention provides a method for extracting bitumen from an oil sand stream, the method comprising at least the steps of, a) providing an oil sand stream; b) contacting the oil sand stream with a liquid comprising a solvent to obtain a solvent-diluted oil sand slurry; c) separating the oil sand slurry to obtain a first solids-depleted stream and a first solids-enriched stream; d) filtering the first solids-enriched stream obtained in step c) to obtain bitumen-depleted sand and at least a first filtrate; e) separating at least a part of the first filtrate to obtain a second solids-depleted stream and a second solids-enriched stream; and f) contacting at least a part of the second solids-enriched stream from step e) with solvent to obtain a solvent-diluted second solids-enriched stream; and g) separating the solvent-diluted second solids-enriched stream to obtain a third solids-enriched stream and a third solids-depleted stream. | 03-27-2014 |
| 106669000 | Soil, diatomaceous earth, or clay containing, or material for treating soil or earth (e.g., soil stabilization, etc.) | 2 |
| 20100307380 | ASPHALT COMPOSITION USING PYROLYSED CARBONACEOUS MATERIAL - The use of fine agglomerate mixtures and coarse agglomerate mixtures as an agglomerates filler materials in asphalt compositions. The fine agglomerate mixtures and coarse agglomerate mixtures are prepared from pyrolyzed polymeric and/or carbonaceous materials that have been refined into mixtures having consistent particle size and binding affinity with asphalt binders. An asphalt cement composition in accordance with one aspect of the present invention has an asphalt binder combined with an agglomerates filler formed from pyrolized carbonaceous material. The agglomerates filler material is generally about 1% to about 20% of the weight of the mixture of the agglomerates filler and the asphalt binder. The asphalt composition also includes an aggregate material that is mixed with the asphalt binder and the agglomerates filler. The end result is a lower cost asphalt composition that exhibits greater long range durability. | 12-09-2010 |
| 20120167802 | Temperature-Adjusted and Modified Recycled ASCON Composition for Reusing 100% of Waste ASCON for Road Pavement, and Method for Manufacturing Same - The present invention provides the composition of the modified RAP-recycled warm mix asphalt, whose composition is characterized as consisting of a mixed asphalt concrete mix, a cohesive agent, a recycling modifier, a plasticized warm mix additive, and if necessary, reinforcing agent will be added to the composition. The aforementioned composition can be mixed to produce the modified RAP-recycled warm mix asphalt. This invention is characterized in reusing a great portion of RAP compared to the less use in the existing practice. The use of a recycling modifier improves further better performance properties to extend the life cycle of recycled asphalt pavements, compared to the conventional virgin asphalt pavements as well as the existing recycling ones. The plasticized warm mix additives offer economic, social, and technical advantages by saving the fuel consumption required for production, reducing greenhouse gas emissions, and shorten traffic opening times. | 07-05-2012 |
| 106671000 | With other organic material | 7 |
| 20090064901 | ROADWAY PATCHING COMPOSITION - An asphalt based mixture, which is an oil and water emulsion, comprises 15-30% V water; 34 to 80% asphalt cement dispersed as asphalt cement droplets; and 20-66% V emulsifiers. Other materials are selectively added to the composition to improve characteristics including stability, viscosity, cohesion, adhesion and resistance to cracking. | 03-12-2009 |
| 20100275817 | ASPHALT MATERIALS CONTAINING BIO-OIL AND METHODS FOR PRODUCTION THEREOF - An asphalt binder includes asphalt and an asphalt binder modifier, which includes bio-oil. The asphalt binder can include a carboxyl additive. The asphalt can optionally include polymer-modified asphalt. An asphalt material includes mineral aggregate, an asphalt material binder including asphalt, and an asphalt binder modifier including bio-oil. A method for making the asphalt binder is disclosed. The asphalt material includes asphalt pavement and roofing shingles. The asphalt binder can be emulsified with water and a surfactant for use as a weatherproofing sealant or as an adhesive. | 11-04-2010 |
| 20100319584 | MODIFICATION ADDITIVE FOR ASPHALT MASSES AND TYPE AND MANNER OF ASPHALT PRODUCTION FOR THE CREATION OF MINERAL-ASPHALT MIXTURES HAVING A HIGH SHEAR MODULUS - The invention relates to a modification additive for asphalt masses and to the manner of production of asphalt masses for the creation of mineral-asphalt mixtures having a high shear modulus. The essence of the invention is a modifier, characterized in that it comprises 50 to 97% of cyclopentadiene oligomers, which are dissolved in 2 to 30% by weight of alkenes with 9-11 carbon atoms in a molecule, and 1 to 15% by weight of cyclic and aromatic olefins, wherein the latter are segregation residues of other hydrocarbon fractions. The liquid asphalt mass is added to the above-mentioned modifier in a quantity of 0.1 to 15% by weight at a temperature of no more than 185° C. and kept in a liquid state for at least 15 minutes. The modified asphalt obtained in this way, together with the mineral additive, forms mineral-asphalt mixtures having a high shear modulus. | 12-23-2010 |
| 20110041734 | PAVING WITH A POLLUTION-ABATING ACTIVITY AND A PHOTOCATALYTIC MIXTURE FOR ITS PREPARATION - A new photocatalytic composition is described that is designed for percolation in road surfaces. The composition contains no aggregates, but consists of cement, a photocatalyst, a superfluidifier, a viscosity modifier and an antifoaming agent, in suitable proportions. The composition is applied to porous open-graded asphalt courses, completely filling the cavities down to a thickness coming between 30 and 50 mm. The treated asphalt acquires a strong, durable photocatalytic activity, even when it is submitted to heavy mechanical loads and adverse weather conditions, as in the case of road surfaces in and out of town, liable to intense traffic. | 02-24-2011 |
| 20130233206 | CONSTRUCTION MATERIALS AND COMPOSITIONS FROM OIL-CONTAINING FILLER - The present invention relates to construction materials comprising at least one binder, at least one oil-containing filler and at least one metallate additive according to formula (1): | 09-12-2013 |
| 20150027345 | USE OF SURFACTANT IN THE PREPARATION OF MODIFIED SULFUR AND SULFUR CEMENT - Use of a non-ionic surfactant in the preparation of modified sulfur and/or modified sulfur cement that may or may not be modified sulfur concrete. | 01-29-2015 |
| 20150053117 | METHOD FOR MANUFACTURING COLORFUL DISCOLORATION-RESISTANT REGENERATED ASPHALT-CONCRETE USING RECYCLED AGGREGATES FROM WASTE ASPHALT-CONCRETE - The present invention relates to colorful regenerated asphalt-concrete and to a method for manufacturing same. More particularly, disclosed are colorful regenerated asphalt-concrete using recycled aggregates from waste asphalt and to a method for manufacturing same, in which products obtained from the thermal decomposition of waste asphalt are mixed with new aggregates and asphalt, and a pigment and an ultraviolet-ray blocker are mixed into the mixture, to thereby not only improve the physical properties of the regenerated asphalt concrete, but also maintain the color of the regenerated asphalt concrete over a long period of time, thus achieving improved weather resistance and durability. | 02-26-2015 |
