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Document Title |
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8158696 |
Asphalt prime coat
An environmentally friendly composition and related methods of use and production of an asphalt prime coat, suitable for application to a base road structure, are described herein. The composition...
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8138242 |
Processing bituminous mixtures for paving at reduced temperatures
Bituminous paving mixtures containing lubricating agents or additives may be prepared at hot mix temperatures and cooled, paved and compacted at temperatures 10-55 Celsius degrees lower than the...
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8099218 |
Paving system and method
A method of operating a paving system includes establishing a plan for paving a work area which is based on a positional temperature model. The method further includes receiving temperature data...
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8088210 |
Bituminous composition
A bituminous composition including, based on total weight of the bituminous composition, (a) hard bitumen in an amount of 0.5% to 7.5% by weight, the hard bitumen being characterized by a...
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8084521 |
System and method for the pre-treatment of rubber-modified asphalt cement, and emulsions thereof
This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using...
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8048943 |
Bituminous compositions
This invention relates to the modification of bitumen by polymeric materials used particularly for the preparation of asphalt mixtures with enhanced mechanical properties, wherein the polymeric...
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7993442 |
Method for producing bituminous paving compositions
A bituminous composition with improved paving performance, comprising a high-concentration-emulsifier bituminous emulsion is disclosed. The high-concentration-emulsifier bitumen emulsion has a...
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7972429 |
Bituminous composition
This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with...
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7968628 |
Modified asphalt binder material using crosslinked crumb rubber and methods of manufacturing the modified asphalt binder
Bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber and a cross-linking agent are described. In addition, methods are provided for producing...
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7951857 |
Water-in-oil bitumen dispersion and methods for producing paving compositions from same
The present invention relates to bituminous compositions suitable for use in paving applications containing water-in-oil bitumen dispersion of paving grade bitumen such as penetration-graded,...
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7910633 |
Polyurethane dispersions in an aqueous asphalt emulsion
The invention relates to liquid compositions that include an aqueous asphalt mixture and polyurethane dispersion. The polyurethane dispersion includes a polyurethane that is based on an aliphatic...
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7905949 |
Method for producing bituminous compositions
This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with...
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7879926 |
Method and composition for controlling the viscosity of latex compositions that include fly ash
The present invention is a method and composition for controlling the viscosity of latex compositions that include fly ash. The composition is an aqueous dispersion comprising water, at least one...
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7833338 |
Method for producing bitumen compositions
The present invention relates to bituminous compositions suitable for use in paving applications containing bitumen emulsion of performance-grade bitumen that is substantially free of volatile...
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7829636 |
Polymers for bitumen modification & other uses
The embodiments herein relate to a method of synthesizing new improved reactive terpolymer, S-MMA-X (styrene/modified maleic anhydride/X) wherein X is any type of polymers. The method involves...
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7789956 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Method for producing bituminous compositions
This invention relates to bituminous compositions and methods of producing the same. More particularly, the invention relates to the production of bituminous compositions formulated with...
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7705068 |
Polyurethane dispersions in an aqueous asphalt emulsion
The invention relates to liquid compositions that include an aqueous asphalt mixture and polyurethane dispersion. The polyurethane dispersion includes a polyurethane that is based on an aliphatic...
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7700672 |
Recycled tire rubber emulsions and processes
Petroleum asphalt emulsions which contain recycled tire rubber and processes for making the emulsions at temperatures above ambient or room temperature. These emulsions may contain significant...
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7655712 |
Bituminous composition and method
A binder for bituminous compositions including at least one dialkylamide derived from an unsaturated fatty acid; and at least one catalyst for polymerizing the at least one dialkylamide under the...
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7547356 |
Synthetic asphalt recycled tire rubber emulsions and processes for making them
Synthetic asphalt and petroleum asphalt modified synthetic asphalt emulsions which contain recycled tire rubber and processes for making the emulsions at temperatures above ambient or room...
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7491756 |
Water-based asphalt coating composition
The present invention relates to multi-part coating compositions that comprise a first part which is an asphalt emulsion comprising water, asphalt, and a dispersion system and a second part which...
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7446139 |
Modified asphalt binder material using crumb rubber and methods of manufacturing a modified asphalt binder
In a first aspect, bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber are described. In a second aspect, the present invention is directed...
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7417082 |
Modified asphalt binder material using crosslinked crumb rubber and methods of manufacturing the modified asphalt binder
Bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber and a cross-linking agent are described. In addition, methods are provided for producing...
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7312262 |
Methods and compositions for microsurfacing
A composition for microsurfacing of pavement is described. The composition includes a polymer-modified emulsion asphalt oil, water, cement, and crushed aggregate. The crushed aggregate includes a...
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7297204 |
Water-in-oil bituminous dispersions and methods for producing paving compositions from the same
There is provided a method for making bituminous compositions comprising water-in-oil bituminous dispersion and aggregate by the steps of: preparing a solvent-free, water-in-oil bituminous...
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7157508 |
Polymer-linked asphalt compositions
Disclosed are a thermoplastic polymer-linked-asphalt composition and a process for making a thermoplastic polymer-linked-asphalt. More particularly, the present invention relates to the reaction...
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7153902 |
High solids emulsions of elastomeric polymers
Water-continuous emulsion of elastomeric polymers are disclosed having a solids content of greater than 75%, an average particle size less than 5 μm, and having sufficient stability to produce a ...
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7087665 |
Quick-setting cationic aqueous emulsions using pre-treated rubber modified asphalt cement
Cationic aqueous emulsions of rubber modified asphalt cement (RMAC) useable for paving, seal coat, slurry seal, roofing, coating and other applications. First, a RMAC is prepared by combining 45 to...
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7084195 |
Latex composition and process for producing the same, and asphalt composition and cationic asphalt emulsion using the same
A latex composition includes (i) 100 parts by mass (in terms of a solid content) of an anionic latex containing, as a main component, a conjugate diene copolymer containing (A) 55 to 99.99% by mass...
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7053130 |
Method to accelerate biodegradation of aliphatic-aromatic co-polyesters by enzymatic treatment
Provided is a method for accelerating the biodegradation of aliphatic-aromatic co-polyesters comprising greater than 60 mol percent aromatic acid, based on total diacid in the co-polyester. The...
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7026435 |
Water-dispersible, hydrophobic polyalkyleneimine polyamide fiberglass lubricant, process for producing the same, and method of use therefor
Polymer derivatives based upon polyalkyleneimine backbones having from about 20% to about 60% of their reactive amino functionalities substituted by C14-20 carboxylic acids, are disclosed. Fiber...
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6995199 |
Wood-based refined tar-containing coating compositions
An aqueous tar solution having excellent stability in which tar is dissolved in a liquid and which does not cause precipitation or separation, as well as a tar-containing coating composition having...
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6982291 |
Material conditioner and stabilizer and method for making and using same
A chemical composition and method for enhancing the physical properties of a materials. The composition may be used as a material conditioner and stabilizer is disclosed. The chemical composition...
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6894092 |
Aqueous asphalt emulsions containing liquefied or devulcanized recycled rubber
Non thixotropic, aqueous emulsions prepared from rubber modified asphalt cement (RMAC). The RMAC is prepared by a method whereby recycled tire rubber is liquified or otherwise consumed by or...
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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...
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6855192 |
Release agent for bituminous material and use thereof
A release agent for bituminous material is disclosed which comprises a mineral oil-free composition containing an aqueous dispersion of a polyalkenamer, preferably a polyoctenamer. The release...
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6706787 |
Method for preparing asphalt/polymer emulsion-rubber paving composition
A method of preparing an asphalt emulsion composition comprises preparing an aqueous emulsion of a synthetic polymer and asphalt mixture, and blending the aqueous asphalt/polymer emulsion with...
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6518354 |
Dispersing emulsion of thermoplastic elastomer and process for preparing the same
There is provided a dispersing emulsion excellent in storage stability and mechanical stability, particularly an asphalt modifier of an water based dispersing emulsion, which can be mixed with a...
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6503968 |
Asphalt modifier of styrene-butadiene-styrene block copolymer and styrene-butadiene latex
This invention relates to an asphalt modifier comprising 5˜30 wt. %. of solubilized styrene-butadiene-styrene block copolymer and 70˜95 wt. % of solubilized styrene-butadiene latex, which has an e...
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6451885 |
Bitumen emulsions, method for obtaining them and compositions containing same
The invention concerns an aqueous bitumen emulsion, consisting of the following constituents expressed in weight percentages of the emulsion total weight: 50% to 70% of bitumen; 0.5% to 10% of...
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6384112 |
Emulsified bituminous binder
A bitumen emulsion comprising bituminous binder, emulsifier, and water. The bituminous binder comprises bitumen and an oxidised wax, and optionally one or more polymers. The incorporation of the...
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6348525 |
Co-agglomeration of random vinyl substituted aromatic/conjugated diolefin polymer with sulfur to improve homogeneity of polymer/asphalt admixtures
The present invention relates to the coagglomeration of random vinyl substituted aromatic/C4-C6 conjugated diolefin polymers With sulfur. Said coagglomerate is storage stable and easily blended...
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6331203 |
Aqueous ink composition for ball-point pen
An aqueous ink for a ball-point pen which is stable over time and has high pigment dispersion stability, includes a pigment, a water-soluble organic solvent, water, xanthane gum of about 0.01 to...
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6310122 |
Stable bitumen polymer compositions
The present invention provides a method for preparing an asphalt and thermoplastic elastomer composition. The process comprises heating an asphalt cut in a stirred tank to a temperature sufficient...
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6309456 |
Multi-color asphalt emulsion coating
A three component multi-color asphalt emulsion coating is provided in which a water-based carrier, an emulsified asphalt base and at least one globular color components are mixed together. The...
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6248396 |
Asphalt compositions
In one embodiment, the present invention relates to an asphalt composition containing asphalt, a terpenoid liquid, a rubber at least partially soluble in the asphalt composition and a flexible...
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6245850 |
Reflective asphalt emulsions and method
A reflective asphalt emulsion is formed by dispersing asphalt into a slurry of colloidal clay at high shear and thereafter blending titanium dioxide and diatomaceous earth filler, and optionally...
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6180697 |
Method for preparation of stable bitumen polymer compositions
The present invention provides a method for preparing an asphalt and thermoplastic elastomer composition. The process comprises heating an asphalt cut in a stirred tank to a temperature sufficient...
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6156828 |
Rubber base asphalt emulsion method
A gel-like emulsion containing natural rubber and crumb rubber from used vehicle tires which may be added to an asphalt paving emulsion at ambient temperature for chip coating, slurry sealing,...
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6107374 |
Asphalt modified with olefin/vinylidene aromatic monomer interpolymers
Bitumens can be blended with interpolymers prepared from least one olefin and at least one vinyl or vinylidene aromatic monomer and, optionally, at least one diene. The interpolymers prepared from...
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