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| Number | Title | Issue Date |
| 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 |
| 6817152 | Fiber mats for materials of construction having improved tear strength and process for making same The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde ty... | 11/16/2004 |
| 6544911 | Fiber mats for materials of construction having improved tear strength and process for making same The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a form... | 04/08/2003 |
| 6362257 | Pavement patch material The pavement patch composition of the present invention comprises a lightweight aggregate and highly modified polymer asphalt binder. The composition is formed by heating the binder to a flowable state, mixing the flowable binder with a lightweight aggreg... | 03/26/2002 |
| 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 |
| 5405440 | Process for the preparation of a cold mix asphalt paving composition A method of producing a cold mix asphalt paving composition by: (a) separating non-asphalt impurities from an asphalt rubble obtained from a reclaimed asphalt pavement to produce a purified asphalt rubble; (b) comminuting said purified asphalt rubble to obtain size... | 04/11/1995 |
| 5362316 | Resinous cut-back compositions and methods of preparing the same A cut-back composition useful for ambient temperature application to substrates comprising a resinous or residue-based component such as asphalt, polymer modified asphalt, coal tar, natural rubber or elastomers and a terpene solvent.... | 11/08/1994 |
| 5169261 | Pre-packaged bituminous sandstone for repairing pavement A pre-packaged bituminous sandstone material, which can be applied to damaged pavement areas at ambient temperatures, is prepared by comminuting bituminous sandstone in the presence of water to form an intimate mixture of bituminous sandstone having parti... | 12/08/1992 |
| 5089052 | Emulsification of rock asphalt A method for emulsification of rock asphalt, the resulting low asphalt emulsion and low asphalt emulsion binder for aggregate is disclosed. Fine mesh rock asphalt is emulsified by using a hydrocarbon fluxing agent to sufficiently wet the rock asphalt to p... | 02/18/1992 |
| 4847006 | Encapsulated ion-exchange resin and a method for its manufacture A method for long-term storage of radioactive waste in a solid bitumen is here taught. A granular ion-exchange resin (including radioactive ions) is mixed with a bitumen and water emulsion to produce a swollen aqueous product for encapsulation. The method... | 07/11/1989 |
| 4832874 | Method of solidifying radioactive waste and solidified product thereof A radioactive waste that chiefly contains sodium sulfate or sodium borate as a solids content is blended with a mixture consisting of about 5-35 wt % of a low-molecular weight polyolefin and about 95-65 wt % of straight asphalt, and the resulting mix is p... | 05/23/1989 |
| 4787938 | Countercurrent drum mixer asphalt plant A drum mixer asphalt plant is provided with a rotatable cylinder 10 in which virgin aggregate, recycle material and liquid asphalt are mixed to produce an asphaltic composition and the hot gas stream for heating and drying the materials flow in countercur... | 11/29/1988 |
| 4714629 | Method for treating aggregate materials with wax and compositions thereof with bitumen for road surfaces Stone chippings of the type used in the manufacture of road surfaces by hotmix and surface dressing techniques, are rendered water resistant, and less susceptible to binder adhesion failure, by treatment with wax, preferably with wax emulsion.... | 12/22/1987 |
| 4515839 | Permeable asphaltic concrete base for artificial turf A permeable asphaltic concrete composition comprising a gradated mixture of aggregate rock which is skip-gradated. A 25 millimeter thick layer of the asphaltic concrete composition has a permeability to accommodate at least 40 centimeters per hour of rain... | 05/07/1985 |
| 4359381 | Asphalt recycling apparatus An apparatus for regenerating used mixtures for road pavement including an asphalt concrete mixture and a cement concrete mixture is provided with a first vibration sieve, conveyer, passage, roof, transferring means, guide means such as a V-shape plate an... | 11/16/1982 |
| 4282038 | Coil impregnant with modified asphaltite base A modified gilsonite based coil impregnant having improved sound suppression properties and rheologically controlled characteristics. In one form of the preferred embodiment, the gilsonite is modified by thermal depolymerization. In another form of the pr... | 08/04/1981 |
| 4012537 | De-icing compositions contained in road surface material A composition for admixture with road surface preparation materials to prevent formation of ice and to melt snow on the finished road surface. The composition is distributed throughout the road surface and comprises particulate thawing substances at least... | 03/15/1977 |
| 3986887 | Paving compositions Bituminous compositions suitable for road paving materials characterized by a Penetration Ratio of at least 25 and a minimum viscosity at 275° F. in the range from about 50 Saybolt Furol Seconds to about 120 Saybolt Furol Seconds, depending upon the pene... | 10/19/1976 |
