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| Number | Title | Issue Date |
| 7651559 | Mineral composition A mineral composition comprised of at least about 90 weight percent of roofing granules, at least about 50 weight percent of calcium carbonate with a hardgrove grindability index of less than about 70, from about 0.1 to about 1.0 weight percent of a pigmented materi... | 01/26/2010 |
| 7341624 | Asphalt compositions and the preparation thereof Asphalt compositions and methods of forming such are described herein. The asphalt compositions and methods of forming such are generally adapted to enable open air processing while producing asphalt compositions that exhibit properties capable of meeting SUPERPAVE�... | 03/11/2008 |
| 7309390 | Strip-resistant asphalt paving composition and method for making the same The present invention is directed to a stripping-resistant asphalt paving composition that contains asphalt, aggregate, polyphosphoric acid, and an alkaline anti-stripping additive. ... | 12/18/2007 |
| 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 |
| 7141091 | Method and apparatus for removing particulate and vapor phase contaminants from a gas stream The present invention provides methods for removing particulate and a vapor phase contaminant from a gas stream including, in one embodiment, directing a gas stream comprising fly ash and a vapor phase contaminant into a particulate collection device, wherein the pa... | 11/28/2006 |
| 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 |
| 6855754 | Asphalt-based formulations and method of making and using the same for paving and coating applications An asphalt-based, cold paving/coating formulation that provides increased flexibility with respect to the choice of aggregate types, asphalt emulsion types, type and amount of the surfactants used to produce the asphalt emulsion, asphalt emulsion pH's and applicatio... | 02/15/2005 |
| 6805738 | Road repairing material A road repairing material of the invention has a very excellent adhesive property and adherent property to an existing paved road surface and aggregate, and even if several years has passed since the repair, displacement, peeling, cracking and the like do not occur ... | 10/19/2004 |
| 6306937 | Oxidized all-weather cutback asphalts Fully oxidized cutback asphalts suitable for application in roofing, waterproofing, and sealing applications in all weather conditions, including as mastics and other sealants. Compositions according to the invention comprise unprecedented proportions of ... | 10/23/2001 |
| 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 |
| 6027558 | Hydrated lime added directly to asphalt cement as a multi-functional modifier for asphalt mixtures A hot mix asphalt composition and method are shown in which hydrated lime is added directly to the asphalt binder prior to the addition of the asphalt binder to the mineral aggregate constituent of the composition. The lime-asphalt mixture is then added t... | 02/22/2000 |
| 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 |
| 5512093 | Hot mix asphalt and method of preparation thereof A method is shown for improving the properties of hot mix asphalt by treating the aggregate which is combined with bituminous binder with lime. A hot quicklime slurry is produced by slaking quicklime with water at the site of the hot mix asphalt plant usi... | 04/30/1996 |
| 5460383 | Hydrodegradable moulding materials An article intended to be degraded when exposed to the environment is made from a brittle resinous or synthetic resin material incorporating moisture swellable particles as a filler, whereby exposure of the article to water induces fragmentation. In parti... | 10/24/1995 |
| 5407478 | Use of slaker grits and green liquor dregs in asphalt paving An asphalt paving composition composed of crushed rock, oil and a fines fraction selected from the group including green liquor dregs, slaker grits or combinations thereof. The fines fraction replaces conventional sand and produces a competitive product. ... | 04/18/1995 |
| 5229216 | Vibration-damping sheet This invention is a light weight vibration-damping sheet comprising an asphalt binder component, a hollow filler component and a surface treated calcium carbonate treated with a higher fatty acid or its salt, such as aluminum stearate, which acts as a hol... | 07/20/1993 |
| 5120777 | Bitumen/polymer composition exhibiting an adhesiveness which is retained on storage at elevated temperature and process for preparing such a composition A bitumen/polymer composition is provided exhibiting an adhesiveness which is retained on storage at elevated temperatures. Also provided is a process for the preparation of such a composition and to the application of this composition to the production o... | 06/09/1992 |
| 4711672 | Asphaltic composition An asphaltic composition having improved temperature susceptibility and a method of manufacturing the improved asphaltic composition are disclosed. The improvement is directed at the addition of a stabilizing agent selected from the group consisting of Gr... | 12/08/1987 |
| 4659381 | Flame retarded asphalt blend composition A flame retarded asphalt composition comprising a blend of: (a) modified bitumen; (b) 1-20 wt % of at least one halogenated flame retardant; and (c) 1-5 wt % of at least one inorganic phosphorus containing compound selected from the group consisting of ammonium pho... | 04/21/1987 |
| 4547224 | Emulsifiers for bituminous emulsions Reaction products of polyamines with certain polycarboxylic acid anhydrides are disclosed which give emulsions capable of producing medium set mixing grade asphalt emulsions, rapid set asphalt emulsions, and quick set slurry seal emulsions. Solventless as... | 10/15/1985 |
| 4479827 | Asphalt compositions An asphalt binder composition useful with aggregate particles. The asphalt binding composition comprises: (1) a medium curing liquid asphalt, and (2) from about 0.1 to 13.5% by weight tall oil based on the weight of the medium curing liquid asphalt. An ag... | 10/30/1984 |
| 4364773 | Waste metal conversion process and products A process is provided by which dissolved metals may be recovered from aqueous waste solutions and converted to a particulate material, which may in turn be used as a filler for products such as asphalt. The process involves effecting reaction in the solut... | 12/21/1982 |
| 4225359 | Acidic earthen cemented compositions for building materials and process An improved earthen composition suitable for building construction comprises soil, a sulfonic acid, cellulose and a cementing agent comprising a calcium cement such as Portland cement, lime or calcium carbonate and/or an asphalt cement such as asphaltic c... | 09/30/1980 |
| 4220478 | Method for removing particulate matter from a gas stream and a method for producing a product using the removed particulate matter A method for removing particulate matter from a gas stream by injecting charged particles into the gas stream to form a large charged surface area to induce charges on the entrained particulate matter. The injected material may be an adsorbent or an absor... | 09/02/1980 |
| 4116708 | Asphalt coating compositions Disclosed are: (1) A primer coating composition containing an air-blown, solvent extracted asphalt having a penetration of about 1 to about 12 and a softening point of about 150° to about 270° F; (2) a blend of 70-92 parts by weight of an air-blown, sol... | 09/26/1978 |
| 4086291 | Method of producing a paving mass and a paving mass produced by the method Producing a paving mass by heating macadam stone material, mixing rubber vulcanizate with the heated macadam for a time sufficient for the rubber vulcanizate to adhere to the heated macadam stone material, and thereafter mixing in filling material and a b... | 04/25/1978 |
| 4052219 | Pipe coating composition A pipe coating composition consisting essentially of a binder, mineral aggregates, a finely divided mineral filler and synthetic organic fibers exhibits improved cracking time as compared to a pipe coating composition containing glass fibers instead of th... | 10/04/1977 |
| 3986889 | Method of producing a mixture of bitumen and subdivided solid mineral matter Method of producing a mixture of bitumen and subdivided solid mineral matter, comprising mixing pure bitumen with subdivided solid mineral matter containing moisture in at least such proportion as is picked up by the mineral matter from the atmosphere and... | 10/19/1976 |
| 3965281 | Method for paving surfaces with granular, flaky or powdery asphalt Surfaces of roads, bridges, floors, etc., are easily paved by using a mixture of at least one of granular, powdery and flaky asphalt material and a suitable paving aggregate and applying heat and press thereto at the working site.... | 06/22/1976 |
| 3941607 | Method for production of a surface layer for traffic areas and the like A surface layer for traffic areas such as roads and airport landing strips is produced by laying a load-carrying structure comprising chip grains of mean diameter of from 2 to 25 mm, with a mean size ratio of not more than 1:3 between the smallest and the... | 03/02/1976 |
