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| Number | Title | Issue Date |
| 7803222 | Bitumen composition with improved ageing resistance The invention provides a bitumen composition comprising a bitumen and a modified clay which clay is obtainable by subjecting a clay having a layered structure to a treatment with a compound that is selected from the group consisting of onium compounds having the gen... | 09/28/2010 |
| 7384468 | Asphalt/aggregate composition of enhanced adhesion An asphalt/aggregate composition having enhanced adhesion characteristics and its preparation. An asphalt base material is heated to a molten state in order to permit mixing of the asphalt with added components. A heavy metal soap is incorporated into the asphalt ba... | 06/10/2008 |
| 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 |
| 7238230 | Asphalt-based coating compositions and salt surfactants Asphalt-based coating compositions and surfactants. The asphalt-based coating compositions have improved performance and comprise asphalt, clay, and a propoxylated alcohol-based ether amine salt surfactant. ... | 07/03/2007 |
| 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 |
| 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 |
| 6793726 | Aqueous suspensions with bentonite for mastics and sealants Compositions of an aqueous suspension of a drilling mud bentonite conforming to API specification 13A for mastic and sealant compositions. ... | 09/21/2004 |
| 6753362 | Cold bond adhesive An adhesive composition which requires no applied heat to effect curing and which produces a strong bond between a polymeric capping membrane suitably employed in roofing or siding and a roofing or siding base or substrate which composition essentially comprises a h... | 06/22/2004 |
| 6585813 | Surface covering building materials resistant to microbial growth staining The present disclosure relates to surface covering building materials for roofs, sidewalls and other exterior surfaces exposed tb the weather such as, but not limited to, asphaltic and non-asphaltic roofing materials, wherein said surface covering buildin... | 07/01/2003 |
| 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 |
| 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 |
| 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 |
| 6046260 | Zinc oxide dispersion A zinc oxide dispersion for use in rubber compounds having at least 40, preferably 74-92, weight percent zinc oxide powder and at least five weight percent of a binder selected from the group consisting of asphalt and terpene tackifiers. The dispersion al... | 04/04/2000 |
| 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 |
| 6007615 | Water-swellable compositions and sealants There is disclosed a water-swellable composition that comprises a water-swellable clay, an asphalt, and at least one selected from the group consisting of temperature-sensitivity improving agents and reinforcing fillers. This water-preventing sealant can ... | 12/28/1999 |
| 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 |
| 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 |
| 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 |
| 5389137 | Process for dyeing asphalt This invention relates to a process for dyeing asphalt and/or bitumen with inorganic granulated pigments, which is characterized in that inorganic pigments, to which have been added oils which possess a kinematic viscosity at 40° C. (DIN 51 561) of 1.6 t... | 02/14/1995 |
| 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 |
| 4522655 | Metal pigment of improved storage resistance In a composition of matter including a leafing, metallic pigment and a means for inhibiting reaction of the pigment to form hydrogen gas, the improvement including a liquid fatty acid in an amount effective for at least reducing loss of optical properties... | 06/11/1985 |
| 4512806 | Flame resistant ashaltic compositions Asphaltic materials (e.g., asphalt, bitumen, or pitch) are increased in flame-resistance and improved in other useful properties by use of a latent catalyst mixture which reacts upon heating to catalyze oxidation of the asphaltic material. The catalyst co... | 04/23/1985 |
| 4371400 | Mastic asphalt composition A mastic asphalt composition is disclosed which comprises, in addition to the mastic asphalt, 0.2 to 5 wt. % of a crystalline, powdered, synthetic zeolite or zeolite mixture. In addition, the mastic asphalt composition may further contain precipitated sil... | 02/01/1983 |
| 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 |
| 4286996 | Bituminous composite reinforced with a filler coated with the reaction product of a bitumen and an organo metallic compound A filler reinforced composite comprising bitumen as a continuous phase and as reinforcement in the bitumen, fillers which have been coated with a chemically-modified bitumen composition prepared by reacting a bituminous material with an organo metallic co... | 09/01/1981 |
| 4286997 | Bituminous composite reinforced with a filler coated with the reaction product of a bitumen and a chromium complex A filler reinforced composite comprising bitumen as a continuous phase and as reinforcement in the bitumen, fillers which have been coated with a chemically-modified bitumen prepared by reacting a bituminous material with a chromium complex.... | 09/01/1981 |
| 4285734 | Chemically modified bitumen composition A chemically-modified bitumen composition prepared by reacting a bituminous material with a chromium complex. The composition can be used to coat fillers and glass fibers, either in the form of individual filaments or bundles of glass fibers. The coated f... | 08/25/1981 |
| 4251577 | Asphalt-coated glass fibers Glass fibers, either in the form of individual filaments or bundles of glass fibers, which have been coated with a chemically-modified asphalt prepared by reacting a bituminous material with a chromium complex. The coated fibers can be used as reinforceme... | 02/17/1981 |
| 4244747 | Modified asphalt paving compositions A modified asphalt cement including manganese chloride (MnCl2) dispersed throughout the asphalt cement. A paving composition including the above material forming a binder for aggregate used for paving roads or the like.... | 01/13/1981 |
| 4234346 | High strength modified asphalt paving composition A paving composition formed of aggregate mixed with substantially unblown asphalt cement (neither emulsified nor cut-back) including a soluble organic-manganese compound either alone or in combination with organic-cobalt or organic-copper compounds for im... | 11/18/1980 |
| 4032355 | Bituminous composition Novel bituminous compositions are disclosed which are characterized by elevated Ring and Ball softening points ranging up to about 200° C. They are prepared by the treatment of molten bitumen, in the absence of solvent, with a combination of: (a) an amin... | 06/28/1977 |
| 3963509 | Asphalt having high adhesion strength and its preparation Asphalt having a high adhesion strength is prepared by incorporating in asphalt a small amount of monocarboxylic chromic chloride expressed by the following general formula: ##EQU1## WHEREIN R is an alkyl or alkenyl group having 1 to 21 carbon atoms,... | 06/15/1976 |
| 3953628 | Process for making pitch impregnated articles Disclosed is a pitch impregnant composition comprising coal tar pitch, oxidized, or unoxidized petroleum pitch with stearic acid, and particulated metallic pigments including copper, aluminum, steel, silver, iron, tin, nickel and zinc metals and copper-zi... | 04/27/1976 |