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| Number | Title | Issue Date |
| 7387674 | Method for solidifying soil and industrial waste, and solidified materials prepared thereby Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6 parts by weight of a 3-5-fold dilution of a solidifying agent and 3-15 ... | 06/17/2008 |
| 7371277 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 05/13/2008 |
| 7316520 | Low surface area shearing device An apparatus for use in shearing paving material applied to a surface is provided. This apparatus includes a blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the blade in response to elevational changes in the surface... | 01/08/2008 |
| 7303623 | Pelleting lime fines with asphalt enhancing binders and methods of use in asphalt manufacturing A lime pellet for use in asphalt applications can include lime fines and an asphalt-compatible binder. The pellet is characterized as having a rigid structure with a dimension greater than about 1.5 mm and being compatible with a hot mix asphalt so as to dissolve in... | 12/04/2007 |
| 7276114 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 10/02/2007 |
| 7241337 | Paving composition containing lime kiln dust A stone matrix asphalt for use as a paving composition, containing lime kiln dust as a mineral filler. The lime kiln dust results from production of lime from limestone in a kiln and contains available calcium oxide in an amount of less than forty percent by weight.... | 07/10/2007 |
| 7232482 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will... | 06/19/2007 |
| 7118624 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and a novel road base material. Hydration and mixing of the waste materia... | 10/10/2006 |
| 7098034 | Systems and methods for assessing the presence of and/or the level of anti-stripping constituents in asphalt binders or asphalt mixtures Methods, systems, and computer program products analyze asphalt samples for anti-stripping agents by: obtaining a sample comprising asphalt binder material; sensing a selected parameter associated with the sample (such as the acidity and/or alkalinity of the sample)... | 08/29/2006 |
| 6982000 | Cement compositions including silane treated amorphous silica The present invention provides improved cement compositions comprising hydraulic cement, silica hydrophobicized with a mixture of organosilicon compounds and water. ... | 01/03/2006 |
| 6787486 | Backerboard sheet including aerated concrete core A backerboard sheet is for moist areas and includes a core having opposing first and second major surfaces, at least one moisture-resistant face layer on at least one of the first and second major surfaces of the core; and wherein the core includes aerated concrete.... | 09/07/2004 |
| 6706108 | Method for making a road base material using treated oil and gas waste material The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” and aggregate waste and a novel road base material. Hydration and mixing of the waste materials along with a binder, will... | 03/16/2004 |
| 6451885 | Bitumen emulsions, method for obtaining them and compositions containing same The invention concerns an aqueous bitumen emulsion, consisting of the following constituents expressed in weight percentages of the emulsion total weight: 50% to 70% of bitumen; 0.5% to 10% of surfactant; 0% to 5% of thickening agent; 0% to 1% of antifoam... | 09/17/2002 |
| 6231663 | Method for new concrete from old concrete A method is described for making concrete mixture by blending new batch cement and fly ash with recycled concrete material (curb & gutter, sidewalk, brick, block, asphalt & various other concrete items). This new process will enable discarded concrete mat... | 05/15/2001 |
| 5849070 | Compound binder, process for obtaining it and its application in highway surfacings Compound binder comprising an aqueous emulsion of at least one hydrocarbon binder and, at least one hydraulic binder, which also contains at least one adjuvant intended to control the rate of setting of the hydraulic binder in order to obtain a liquid pro... | 12/15/1998 |
| 5843222 | Modified cement and concrete compositions A cementitious composition comprising 0.1 to about 7.5 percent by weight of a solid residual oxidation product from the combustion of an aqueous emulsion of a naturally occurring asphalt from the Orinoco Belt of Venezuela which contains from about 100 to ... | 12/01/1998 |
| 5807429 | Compound binder, process for obtaining it and application in highway surfacing Compound binder comprising an aqueous emulsion of at least one hydrocarbon binder and, at least one hydraulic binder, which also contains at least one adjuvant intended to control the rate of setting of the hydraulic binder in order to obtain a liquid pro... | 09/15/1998 |
| 5711796 | Bituminous compositions having enhanced performance properties Bituminous compositions of enhanced physical/performance properties comprising an oxidation product of a naturally occurring asphalt from the Orinoco Belt of Venezuela and the bitumen base material, and methods for their preparation.... | 01/27/1998 |
| 5584920 | Sulphonated hydrocracking residues as concrete admixtures A process is described for preparing a water-soluble sulphonated dispersant from a petroleum hydrocracking residue comprising: contacting a petroleum hydrocracking residue boiling above 524° C. with concentrated sulphuric acid, oleum or sulphur trioxide ... | 12/17/1996 |
| 5573586 | Asbestos-free, asphalt roofing compositions especially adapted for cold applications Asbestos-free asphalt cold application roofing compositions are made available through the controlled utilization of fly ash.... | 11/12/1996 |
| 5562767 | Manufactured aggregate composite Manufactured aggregates and/or composites having incorporated therein an asphaltic oxidation product.... | 10/08/1996 |
| 5490877 | Low-viscosity cement composition Disclosed is a low-viscosity cement composition, useful in the field of oil drilling, comprising cement, water and an additive obtained by salifying into the alkali-metal, alkali-earth metal, or ammonium salt, the sulphonated and oxidated products derived... | 02/13/1996 |
| 5460649 | Fiber-reinforced rubber asphalt composition The invention provides a fiber-reinforced rubber asphalt concrete composition suitable for paving applications and a method of making the composition. Also provided is a method for converting a conventional asphalt plant to one capable of producing the fi... | 10/24/1995 |
| 5322556 | Process for preparing a sulfonated dispersant from petroleum asphalt fractions A process for preparing a sulfonated dispersant from a petroleum asphalt fraction, comprising: establishing contact between the asphalt fraction dissolved in an inert solvent and liquid or gaseous sulfur trioxide at a temperature equal to or less than 60... | 06/21/1994 |
| 5306343 | Tagging and identifying asphalt additives A tag is added to an asphalt additive, typically an anti-stripping agent. The additive dye is mixed with other components of an asphalt composition and melt processed at 300° F. (149° C.) or above to produce an asphalt composition. Presence of the tag t... | 04/26/1994 |
| 5116420 | Homogeneous composition of cementitious and tar components and process for forming shaped articles therefrom Improved cementitious compositions having increased flexural, tensile and shear-bond strength, increased wear resistance, decreased water permeability and enhanced workability than previous cement compositions, which are prepared with water treated with a... | 05/26/1992 |
| 5091008 | Elastically restoring polymer-modified bitumen (PmB) A polymer-modified bitumen (PmB) having improved elastic restoration and having a content of 0.5-20 wt. % of polymer components which polymer components are comprised to the extent of at least 20 wt. % of polyalkyl (meth)acrylates having molecular weights... | 02/25/1992 |
| 5085701 | Polymer-modified bitumen (PMB) A polymer-modified bitumen (PmB) having improved elastic restoration prepared by blending from 0.5-20 wt. % of a polymer material in bitumen, said polymer additive, which may be comprised of various polymers, being comprised of from 20-100 wt. % of a poly... | 02/04/1992 |
| 4997483 | Stabilizing bituminous material Finely divided aerated concrete is added as a stabilising additive to composite bituminous material for the production of cast and rolled asphalt. This additive, which is preferably applied in a quantity of 0.3% to 10% by weight, is not inferior to known ... | 03/05/1991 |
| 4792361 | Cementitious composite friction compositions Friction materials intended to be used as brake shoes, brake pads, and other brake components, comprising a composite in which one or more friction modifiers is embedded in a high strength cement matrix. The matrix material exhibits a flexural strength of at l... | 12/20/1988 |
| 4687517 | Concrete composition having heat resisting property and dimensional stability The present invention provides a concrete composition having a heat resisting property and dimensional stability, which comprises a cement selected from the group consisting of a self-hardening cement, a latent hydraulic material, a mixed cement and a the... | 08/18/1987 |
| 4541870 | Insulating cementitious mixture and method of use A cementitious mixture including water-repellent vermiculite, polypropylene fibers and cement. A preferred embodiment utilizes: asphalt-coated, expanded vermiculite; collated, fibrillated polypropylene fibers; and non-shrinking Portland cement. Test data ... | 09/17/1985 |
| 4537633 | Portland cement, process for preparing same, and compositions containing same An improved Portland cement composition and process for producing same comprising dry powder of Portland cement and very fine particles of carbon black, wherein the dry powder of Portland cement is coated with an asphalt film prior to the addition of the ... | 08/27/1985 |
| 4395289 | Process for producing concrete A process for producing concrete comprising mixing barkhan sand with a fuel selected from the group consisting of a liquid fuel and a solid fuel, and a plastic binder selected from the group consisting of clay, loess, loam and a surfactant liquifying the ... | 07/26/1983 |
| 4373961 | Process and composition for use in recycling of old asphalt pavements This is a process and composition related to recycling old asphalt pavements into new pavements. It is accomplished by adding a special asphalt emulsion to the crushed old asphaltic pavement material without requiring the addition of new aggregate or heat... | 02/15/1983 |
| 4235640 | Lightweight concrete aggregate and method A lightweight aggregate for use in making concrete which comprises scoria aggregate with the individual particles of the aggregate being impregnated with a slow or medium setting asphalt emulsion in an amount sufficient to materially reduce the absorption... | 11/25/1980 |
| 4212926 | Parts subject to wear which come into contact with metal melts Parts subject to wear, which come into contact with metal melts, are formed with a hydraulically setting high-alumina refractory concrete having a compression strength when cold, measured on dried crude product, of at least 400 kp/cm2. The comp... | 07/15/1980 |
| 4157998 | Method of producing a cement mortar with good stability in a fresh condition and a method using this mortar as a binding agent of producing a lightweight aggregate concrete with a high aggregate content The present invention relates to a method of producing a cement mortar with a density of 1200-2000 kg/m3 with good stability in a fresh condition. According to the invention, this good stability in the mortar is achieved through an extremely fi... | 06/12/1979 |
| 4086098 | Composition of matter comprising cellular aggregate distributed in a binder There is provided a composition of matter comprising a cellular aggregate distributed in a hardenable or hardened binder or matrix material, in which the aggregate consists of or includes (i) a fraction of cellular glass beads of mesh sizes up to 3 mm, in... | 04/25/1978 |
| 4043828 | Shrinkage inhibition of cementitious systems through the addition of specially processed carbonaceous materials Naturally occurring particulate carbonaceous materials are rendered capable of counteracting or inhibiting shrinkage when added to cementitious systems by special processing including heat treatment at temperatures substantially higher than drying tempera... | 08/23/1977 |
