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| Number | Title | Issue Date |
| 7931744 | Bituminous mastic comprising ultrafillers and applications thereof The present invention relates to a bituminous mastic, in other words a mixture comprising on the one hand at least one bitumen-based hydrocarbon binder, More particularly a blown bitumen, and on the other hand fines, including an ultrafines fraction. The invention a... | 04/26/2011 |
| 7833339 | Mineral filler composition A composition comprised of asphalt and filler, wherein said filler is comprised of particles that comprise an inorganic core and a coating disposed on said core, and wherein at least about 60 weight percent of said particles are smaller than about 212 microns. ... | 11/16/2010 |
| 7811373 | Incorporation of heat-treated recycled tire rubber in asphalt compositions Recycled tire rubber, either in the presence or the absence of carbonaceous waste solids such as those from petroleum refinery operations, is first subjected to a heat treatment to release volatile materials and then combined with a liquid asphalt composition to ach... | 10/12/2010 |
| 7582155 | Asphalt nanocomposite-based roofing products An asphalt-based nanocomposite useful as a coating for various applications including building materials products, such as shingles, is provided. The asphalt-based nanocomposites are particle-filled matrices that include an asphalt flux or derivate thereof and a lay... | 09/01/2009 |
| 7517401 | Methods of manufacturing asphalt with lime pellets Lime pellets can be used in preparing asphalt compositions. The pellets are characterized as having a substantially rigid structure with a dimension greater than about 1.5 mm and being compatible with a hot mix asphalt so as to dissolve in liquid asphalt. The pellet... | 04/14/2009 |
| 7479185 | Reflective crack relief layer that is permeable A design method for making a bituminous mixture that is used to form a vapor-permeable layer of pavement is provided. This design procedure includes preparing one or more bituminous mixture test specimens, measuring the performance of these specimens, and selecting ... | 01/20/2009 |
| 7384469 | Porous elastic pavement material A porous elastic pavement material is provided which is excellent in noise reducing effect and yet sustainably has a wet state slip resistance for a long period of time. The porous elastic pavement material comprises elastic aggregates (1), hard aggregates ( | 06/10/2008 |
| 7335251 | Method for enhancing the physico-chemical properties of bitumen compositions and novel bitumen compositions with enhanced properties and their uses The invention concerns method for enhancing the physico-chemical properties of bitumen compositions and novel bitumen compositions with enhanced properties and their uses by mixing a functionalized amorphous silica made by combining amorphous silica with a coupling ... | 02/26/2008 |
| RE39289 | Apparatus and process for manufacturing asphalt An improved process for making asphalt involves incorporating tar sands into a hot asphalt mix process and modifying the process. The improved process involves using a heated asphalt counter-flow drum mixer to admix asphaltic cement, coarse aggregate, and fine aggre... | 09/19/2006 |
| 7025822 | Asphalt mastic utilizing petroleum refinery waste solids An asphalt mastic is prepared by combining comminuted waste solids from a petroleum refinery with liquid asphalt that is either a hot asphalt or an asphalt emulsion. The resulting composition is similar in performance to Trinidad Lake Asphalt and is useful either on... | 04/11/2006 |
| 7001453 | Method of selecting a high modulus layer binder A method of selecting an asphalt binder for use in constructing a high modulus layer of bituminous pavement is provided. This method includes measuring the complex shear modulus of one or more binders at a temperature of not more than about 30° C., measuring the cr... | 02/21/2006 |
| 6846355 | Road paving material and method A road paving material includes an aggregate, asphalt, and fine ceramic particles selected from the group consisting of RBC particles, CRBC particles, and mixtures thereof. ... | 01/25/2005 |
| 6846763 | Refractory repair material batch A refractory repair batch material includes a refractory, in particular a basic resistor component in granule form and a binder system. The binder system contains at least one hard bitumen component in granule form, at least one ignitable metal powder and at least o... | 01/25/2005 |
| 6758892 | Paving compositions The present invention relates to stone mastic asphalt compounds which are produced using a new technique and process. The process utilizes a specific aggregate gradation and matrix for high stability. Specially formulated fiber mastic asphalt is used to hold the agg... | 07/06/2004 |
| 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 |
| 6679941 | Process for preparing products containing mineral particles and asphaltenes-containing binder A process for preparing products containing mineral particles and asphaltenes-containing binder, said process involves (a) preparing a fluid mixture of mineral particles and asphaltenes-containing binder by mixing (i) solid particles containing from 10 to... | 01/20/2004 |
| 6602337 | Target and process for manufacturing targets A process for manufacturing a non-toxic environmentally friendly target comprising petroleum pitch and filler includes the steps of pre-heating the petroleum pitch binder to at least 450° F., mixing the petroleum pitch binder with limestone filler so tha... | 08/05/2003 |
| 6461542 | Fire resistant ground cover A fire resistant composition comprises a quantity of cellulosic debris formed to be spread as a ground cover, and an asphalt-containing material mixed with the cellulosic debris. The asphalt-containing material comprises at least 35 wt % of the compositio... | 10/08/2002 |
| 6225371 | Reflective thoroughfare pavements or related elements, and corresponding composition The invention relates to pavements for thoroughfares and related safety and/or marking elements having enhanced reflective properties, comprising 10 to 80% by weight of glass debris which contains at least 10% by weight of essentially reflective glass deb... | 05/01/2001 |
| 6214103 | Asphalt paving mix for paving at ambient temperatures and a process for making the same An improved asphalt mix and a process for making the same are proposed. The asphalt mix includes new aggregate and new asphalt, which are mixed together at a high temperature so that the asphalt covers the surfaces of the new aggregate. The mix further in... | 04/10/2001 |
| 6190447 | Process for removing of domestic waste incinerator residue A process is provided for the remediation of bottom ash from domestic waste incinerators which comprises hot mixing from 10 to 50% by weight of said bottom ash with from 4 to 6% by weight of bitumen having a penetration of from 50 to 200 pen, from 25 to 5... | 02/20/2001 |
| 6159279 | Recycled roadway material millings based asphalt-fines matrix, procedure for recycling these materials and use of the coated material An asphalt-fines matrix contains a quantity of millings that ranges between 1 and 70% of the total weight of the incorporated mineral material, mixed with a heavy grade bituminous binder, and has a stiffness modulus E*, measured at 15° C. and at 10 Hz, t... | 12/12/2000 |
| 6117227 | Asphalt paving mix formed of recycled asphalt concrete and new asphalt for paving at ambient temperatures and a process for making the same An improved asphalt mix and a process for making the same are disclosed. The asphalt mix includes aggregate grains, new asphalt, and additive oil. The aggregate grains are obtained from crushing recycled asphalt concrete at an ambient temperature to such ... | 09/12/2000 |
| 6045608 | Apparatus and process for manufacturing asphalt An improved process for making asphalt involves incorporating tar sands into a hot asphalt mix process and modifying the process. The improved process involves using a heated asphalt counter-flow drum mixer to admix asphaltic cement, coarse aggregate, and... | 04/04/2000 |
| 6000877 | Plastic asphalt paving material and method of making same An asphaltic concrete or paving material includes at least 5 percent, and preferably from 5 to 20 percent, of granular recycled plastic, which supplements or replaces the rock aggregate component of the mixture. The material produces a structurally superi... | 12/14/1999 |
| 5944885 | Paving mixture excellent in mixing property and compacting property A paving mixture excellent in mixing property and compacting property, which relaxes temperature condition conventionally required for a paving mixture, and can maintain certain quality and durability even if blending ratio condition conventionally requir... | 08/31/1999 |
| 5762700 | Catalytic process for producing free radicals on crumb rubber Increasing the usable temperature range of asphalts that contain crumb rubber particles by treating the crumb rubber with hydrogen peroxide in the presence of a catalyst such as Fenton's reagent, dioxomolybdenum bis(acetylacetonate), cobalt salt, tall oil... | 06/09/1998 |
| 5728202 | Gilsonite modified, natural, hydrocarbon-enriched sand composition Tar sand and Gilsonite are preferably crushed together so that the Gilsonite overcomes the stickiness of the tar sand and the tar sand alleviates Gilsonite dust, the relative proportions and the character of Gilsonite being such as to produce an additive ... | 03/17/1998 |
| 5626659 | Means and method of recycling asphalt composition shingles The present invention is directed to means and method for grinding waste asphalt shingles in combination with limestone ore to provide a very fine particulate substance that is suitable as an admix to raw materials used for asphalt shingle production. Whe... | 05/06/1997 |
| 5558703 | Bituminous compositions Bituminous compositions are provided by mixing 100 parts of an inorganic skeleton or an aggregate with up to 7 parts of bitumen with a first modifier chosen from the group comprising styrene-butadiene polymers, styrene-isoprene polymers, recycled tires or... | 09/24/1996 |
| 5501730 | Asphalt composition and process for obtaining same In accordance with the present invention, there is provided an asphalt composition which incorporates asphalt in admixture with synthetic or natural rubber and a vulcanizing agent. There is also provided a process for preparing the above asphalt compositi... | 03/26/1996 |
| 5449401 | Asphalt paving using fly-ash The addition of about 35 volume % fly ash to the aggregate component of of hot-mix asphalt enhances the resistance of the asphalt to cracks and potholes. This new type of hot-mix asphalt should last at least five times longer than the normal hot-mix aspha... | 09/12/1995 |
| 5397389 | Asphaltic concrete product and a method for the fixation of contaminated soils and hazardous materials in the asphaltic concrete A composition for the fixation of hydrocarbons from contaminated oily soil and hazardous wastes. The hazardous waste and contamined oily soil are components in a cold mix asphaltic concrete. The soil and hazardous materials are mixed with asphaltic roof c... | 03/14/1995 |
| 5358562 | Organoclay rheological additive for clear systems Organoclays made from smectite-type clays are described as rheological additives for clear systems including clear coat paints, lacquers, varnishes and personal care products. Such additives impart desirable properties to such systems and do not adversely... | 10/25/1994 |
| 5328505 | Cationic aqueous bituminous aggregate slurries for hot climates Cationic aqueous bituminous emulsion-aggregate slurries are disclosed to be formed with cationic emulsions prepared at elevated temperatures by emulsifying bitumen, such as an asphalt, in water with a cation-active emulsifier which is the blend of the rea... | 07/12/1994 |
| 5320671 | Cationic aqueous bituminous aggregate slurries for hot climates Cationic aqueous bituminous emulsion-aggregate slurries are disclosed to be formed with aggregate and cationic emulsions prepared at elevated temperatures by emulsifying bitumen, such as an asphalt, in water with a cation-active emulsifier prepared as the... | 06/14/1994 |
| 4990592 | Anionic slurry seal emulsifiers An anionic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde followed by the reaction of such products with acrylic acid, and the uses of... | 02/05/1991 |
| 4990590 | Anionic slurry seal emulsifiers An anionic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde followed by the reaction of such products with acrylic acid, and the uses of... | 02/05/1991 |
| 4990591 | Anionic slurry seal emulsifiers An anionic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde followed by the reaction of such products with acrylic acid, and the uses of... | 02/05/1991 |
| 4726846 | Method of reclaiming waste fiber reinforced asphalt sheet material and reclaimed products of such waste A method for reclaiming waste asphalt sheet material reinforced with inelastic brittle fibers, such as fiberglass, subjects the material to tearing, kneading, sheet and frictional drag forces, preferably in a kneading mixer, to reduce the material to a vi... | 02/23/1988 |
