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| Number | Title | Issue Date |
| 7186357 | High swelling ramming paste for aluminum electrolysis cell A new ramming paste for aluminum reduction cell cathodes is a high swelling cold ramming paste made of a blend of pitch, light oil diluent and an aggregate comprising a mixture of anthracite and crushed anode butts or calcined coke. The presence of the crushed anode... | 03/06/2007 |
| 7160622 | Oil repelling agent An oil repelling agent to coat a dynamic pressure device, such as a fluid dynamic pressure bearing device, includes a UV coloring agent, a fluorine-based polymer and a solvent. In an exemplary embodiment of the invention, the concentration of the UV coloring agent c... | 01/09/2007 |
| 7144932 | Low-friction, high-dispersion synthetic resin composition containing fine particles of RB ceramic or CRB ceramic and a method for its preparation A synthetic resin composition includes at least one synthetic resin and RBC or CRBC particles dispersed in the resin. A method for preparing a synthetic resin composition includes mixing RBC or CRBC particles with a synthetic resin at a temperature near the melting ... | 12/05/2006 |
| 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 |
| 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 |
| 6863724 | Sulfur additives for paving binders and manufacturing methods Sulfur, useable in as an additive to asphalt in the preparation of asphalt binders can be plasticized by addition of carbon and further treated with amyl acetate. This plasticized sulfur can be formed into solid particles and then added to asphalt as either a minori... | 03/08/2005 |
| 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 |
| 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 |
| 6824600 | Paving binders and manufacturing methods Solid, low-cost paving binder prepared by admixing sulfur, paving grade asphalt (AC) asphalt, and a siliceous filler such as fly ash and silica material, and solidifying the product into preferably flaked, pellet or pastille forms. Carbon black is another possible i... | 11/30/2004 |
| 6695902 | Asphalt composites including fly ash fillers or filler blends, methods of making same, and methods for selecting or modifying a fly ash filler for use in asphalt composites The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that when combined with asphalt produces asphalt composites such as roofing shingles with improved mechanical properties at a lower cos... | 02/24/2004 |
| 6562119 | Use of microwave-produced carbon black to improve weathering of bituminous coating In a method of improving the weathering of a bituminous coating, a microwave-produced carbon black is added to the coating. The microwave-produced carbon black is added in an amount sufficient to increase the cycles-to-failure of the coating by at least a... | 05/13/2003 |
| 6280516 | Compositions comprising a hydrocarbonaceous material A filler composition comprising a filler material and a hydrocarbonaceous material having a volatility of less than or equal to 5% at 200° and a time of 2 hours. The hydrocarboneous material may comprise a bituminous material comprising bitumen, oxibitum... | 08/28/2001 |
| 6200914 | Electrically poorly conductive material for producing an insulation sleeve An electrically poorly conductive material for producing external glow-discharge protection for an electrical conductor, includes a base material which is provided with a conductive coating on at least one side. In order to ensure adequate external glow-d... | 03/13/2001 |
| 6193793 | Asphaltic compositions and uses therefor Asphaltic concrete compounds comprised of asphalt cement and aggregate have, as a substantial portion of their respective aggregates, anthracite coal particles and fines, which are added specially as a lossy microwave material. These asphaltic concrete co... | 02/27/2001 |
| 6113681 | Toner-modified asphalt compositions Modified asphalt cement is produced by blending asphalt with up to about 20% waste toner recovered from laser printers, copiers, and the like. The blending is carried out at high shear and at temperatures above the melting point of the toner. The toner-mo... | 09/05/2000 |
| 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 |
| 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 |
| 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 |
| 5441360 | Asphaltic compositions and uses therefor Asphaltic concrete compounds comprised of asphalt cement and aggregate have, as a substantial portion of their respective aggregates, anthracite coal particles and fines, which are added specially as a lossy microwave material. These asphaltic concrete co... | 08/15/1995 |
| 4613375 | Carbon paste and process for its manufacture A carbon paste for self-calcining electrodes, refractory linings and connections of electrode joining points contains as binder bitumen comprising 70-90 wt-% hard bitumen and 10-30 wt-% soft bitumen. To increase the dry residue of the bitumen and to impro... | 09/23/1986 |
| 4282039 | Carbon ramming mix A cold ramming mix suitable for ramming of alumina reduction cell cathode seams at ambient temperature comprising: (A) a solid portion comprising: (I) from about 30 to about 60 weight percent of coarse calcined anthracite; (II) from about 50 to about 30 weight perc... | 08/04/1981 |
| 4222787 | Asphalt mixture A process for preparing an improved asphalt mixture by adding coal materials thereto. Low carbon content coal materials are separated into first and second portions, the first portion being soft-burned at approximately 600° F., and the second portion bei... | 09/16/1980 |
| 4214875 | Coated coal piles Coal pile coating compositions comprising a wax or wax and organic polymer binder and a major proportion of solid particulate organic filler. A process for coating the exposed surface(s) of coal piles with coating compositions comprising an organic binder... | 07/29/1980 |
| 4213956 | Granite composition A method for the production of well-oriented carbon composites is described. The method involves applying shear or shear and compression forces to a composition containing graphite crystallites in a two-component viscous or patsy matrix, one matrix compon... | 07/22/1980 |
| 4196013 | Oxidation resistant asphalt compositions Disclosed herein are carbon black-containing asphalt compositions having improved properties of resistance to thermal and actinic oxidation.... | 04/01/1980 |
| 4192730 | Carbonaceous luting paste and ambient temperature luting process A carbonaceous paste is disclosed which is used at ambient temperature without need for prior heating. The paste contains: at least 70% of calcined carbonaceous material; a low-temperature plasticizing agent such as molasses, a sugar, an alginate or a lig... | 03/11/1980 |
| 4188279 | Shaped carbon articles This invention provides novel electrode formulations which consist of solid carbonaceous filler, binder pitch, and an additive selected from phosphorus-containing and boron-containing compounds such as phosphorous pentoxide and boric acid.... | 02/12/1980 |
| 4168179 | Bituminous composition Asbestos-free bituminous composition comprising 1-3 wt% high-structure carbon black and 1 to 25 wt% expanded perlite dispersed in asphalt cutback. The composition also contains 0.5 to 5 wt% water.... | 09/18/1979 |
| 4168178 | Asbestos-free bituminous composition Asbestos-free bituminous composition comprising 3-12 wt% high structure carbon black dispersed in asphalt cutback.... | 09/18/1979 |
| 4147593 | Flash pyrolysis of organic solid waste employing ash recycle Essentially carbon free inorganic particles formed from the decarbonization of a carbon containing solid residue of pyrolysis of comminuted organic solid waste is employed as the prime heat source for the pyrolysis of the comminuted organic solid waste.... | 04/03/1979 |
| 4113501 | Temporary sealant of a nozzle opening of sliding nozzle A temporary sealant of a nozzle opening of sliding nozzle, which is in the form of either coarse particle or molding and which consists of 92.0 to 98.8% by weight of a non-porous refractory material having a particle size distribution of more than 95% of ... | 09/12/1978 |
| 4100059 | Asphalt recycle system Steam is injected into water to regenerate asphalt waste which is heated in the water to a predetermined temperature. Such heated asphalt waste is mechanically subdivided in the water into aggregate grains each having its surface coated with a thin asphal... | 07/11/1978 |
| 4094697 | Asphalt cement and concrete compositions and filler compositions therefor There are provided improved asphalt cements and bituminous paving compositions containing certain reinforcing filler compositions which impart desirable properties thereto. The filler compositions of the invention are asphalt-dispersible pellets comprisin... | 06/13/1978 |
| 4082515 | Coke oven system and agglomerating carryover fines therein A coke oven system is provided having a coke oven preferably with pipeline charging for converting coal into coke. Carryover fines are collected from the coke oven and preferably a preheater therefor, and then agitated by agitator means and the collected ... | 04/04/1978 |
| 4022635 | Modified asphaltite potting composition A modified gilsonite base encapsulating system having improved sound suppression properties and rheologically controlled characteristics. In one aspect of the invention and in one form of the preferred embodiment, a potting compound is provided wherein th... | 05/10/1977 |
| 4010040 | Modified mixing technique for carbonaceous stock A method of compounding graphitizable compositions and improving the dispersion of filler particles and binder which comprises introducing the carbon filler into a hot-shear mixer, adding from about 25 to about 70 pph of water, adding from about 1/4 to ab... | 03/01/1977 |
| 4008095 | Paving compositions and method for producing the same A paving composition comprising asphalt and micro-granular coal which are uniformly combined integrally with each other without thermal decomposition of said coal and a method for producing a paving composition which comprises triturating a mixture of asp... | 02/15/1977 |