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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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8088845 |
Paraffin wax composition
The invention is directed to a paraffin wax contained in a thermoplastic polymer packaging material which is meltable along with the paraffin wax.
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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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8030394 |
Waterproofing membranes with a specific gravity of under 1 G/CM3 based on bitumen modified with polymers containing hollow glass microspheres
Disclosed are waterproofing membranes consisting of a backing impregnated with a bituminous formulation comprising industrial bitumen, a mineral filler, a thermoplastic polymer or a mixture of...
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8017675 |
Asphalt enhancing additive
An asphalt enhancing additive, an asphalt cement and an asphalt mixture containing the additive, wherein the additive causes the mixture to be more easily workable so that the asphalt mixture can...
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7981517 |
Bituminous compositions and methods of making and using same
This invention relates to bituminous compositions comprising an interpolymer and a bituminous material and methods of making and using same. The interpolymer may comprise ethylene, at least one...
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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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7951858 |
Bituminous products and aqueous emulsions based on bituminous products and uses thereof
The invention concerns novel bituminous products, as well as novel aqueous emulsions of bituminous products, mixtures thereof with coated granules, useful for sealing application, building and...
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7902277 |
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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7893139 |
Modified asphalt and two-component resin composition
Modified asphalts have excellent dispersibility and compatibility with polar materials, are usable in applications including railroad track-filling materials, and are inexpensive. A modified...
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7851523 |
Asphalt waterproof composition containing waste tire chips and bentonite and process for its manufacture
An asphalt waterproof composition containing waste tire chips and bentonite which includes about 10-15 of asphalt, about 20-50 of oil, about 8-12 of filler, about 1-3.5 of elasticity increasing...
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7838575 |
Bituminous mixtures comprising thermoplastic polymer membranes
High performance bituminous mixtures that are useful for the road paving and roofing industries comprise mineral aggregates coated with a thermoplastic polymer composition. Because of their high...
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7820739 |
Modified asphalt binders and asphalt paving compositions
A method for forming a modified asphalt binder composition, the method comprising preparing a phosphorus pentasulfide-binder concentrate by introducing and mixing phosphorus pentasulfide and...
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7816429 |
Modified asphalt binders and asphalt paving compositions
A method for forming a modified asphalt binder composition, the method comprising preparing a phosphorus pentasulfide-binder concentrate by introducing and mixing phosphorus pentasulfide and...
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7811372 |
Rejuvenating agent and process for recycling of asphalt
A rejuvenating agent having a viscosity of from 200 to 60000 cSt at 60° C. and comprising 10-90 weight % palm oil and 90-10 weight % bitumen, where the percentages are based upon the total weight ...
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7781503 |
Modified asphalt binders and asphalt paving compositions
A process for preparing a modified asphalt binder composition, the process comprising mixing asphalt, an unsaturated polymer, and phosphorus pentasulfide to form a modified asphalt composition.
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7732511 |
Bituminous products, the mixture thereof with aggregates and the use thereof
The invention relates to anhydrous bituminous products containing one or several specific additives which make it possible to substantially reduce a temperature for producing aggregate and...
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7678467 |
Asphalt shingle coating with improved tear strength
The present invention is directed to an air-blown roofing asphalt modified with polyphosphoric acid and roofing products made with the polyphosphoric acid-modified, air-blown asphalt.
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7642302 |
Modified asphalt binders and asphalt paving compositions
A process for preparing a modified asphalt binder composition, the process comprising mixing asphalt, an unsaturated polymer, and phosphorus pentasulfide to form a modified asphalt composition.
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7625963 |
Reactive hot melt adhesive with bituminous additive
A polyurethane hot melt adhesive composition comprising an isocyanate, one or more polyols, one or more bituminous materials and optionally one or more thermoplastic materials. Another embodiment...
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7608650 |
Bitumen/rubber compositions crosslinked with polythiomorpholines, polysulfides and/or mercaptobenzimidazole
Asphalt and elastomeric polymer compositions crosslinked with mixed polythiomorpholines or at least one alkyl polysulfide can give polymer modified asphalts (PMAs) with improved properties and/or...
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7569627 |
Hot melt binder for asphalt product with reduced production temperature and applications of said binder
The binder is produced based on natural bitumen, or bitumen from the oil industry, and comprises a first additive which is constituted by a hydrocarbon wax whose melting point is greater than 85° ...
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7544239 |
Reduction of sulfur emissions from crude fractions
Methods of modifying crude fractions are described herein. The methods generally include blending a crude fraction with an emissions reducing additive to form a modified crude fraction, wherein the...
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7452930 |
Curable composition
It is the subject of the present invention to provide a solvent-free ambient-temperature curable composition, excellent in water-resistant adhesion, storage stability and curability, and generates...
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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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7402619 |
Cross-linking compositions for polymer-modified asphalt compositions
The present invention relates to a bituminous composition comprising a bituminous component, an elastomeric polymer component, and a specific cross-linking composition component comprising...
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7365111 |
Use of zinc oxide to improve compatibility of polymer modified asphalt crosslinked with phenol aldehyde resin
In methods of preparing asphalt and elastomeric polymer compositions crosslinked with phenol aldehyde resins and sulfur, such as polymer modified asphalt (PMA), it has been discovered that the MP1...
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7338991 |
Process for preparing bitumen/rubber compositions
In methods of preparing asphalt and elastomeric polymer compositions, it has been discovered that for a given crosslinker or vulcanizing agent there is an optimum crosslinking temperature to give a...
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7335416 |
Mouldable hydrocolloid adhesive compositions
A mouldable pressure-sensitive hydrocolloid adhesive composition, particularly useful as a medical adhesive, comprising a dispersion of a discontinuous phase of one or more water-soluble and/or...
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7297720 |
Recyclable composite materials, articles of manufacture, and structures and methods of using composite materials
Composite mixture materials made of recycled plastic, glass and rubber, and optionally, sand, gravel, coal combustion by-product and metal, and containing no petroleum distillates (unless a fire...
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7271207 |
Bituminous composition
A bituminous composition which comprises a bituminous component and a block copolymer which comprises at least two blocks of a conjugated diene and at least two blocks of a monovinylaromatic...
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7247664 |
Bituminous composition with improved ‘walk-on-ability’ and its use in roofing applications
Disclosed is a bituminous composition that comprises a bituminous component (A), an elastomer component (B), preferably a block copolymer of a conjugated diene and a monovinylaromatic hydrocarbon,...
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7241821 |
Polymer-modified, vulcanized asphalt composition and its method of preparation
A method is provided for improving high temperature performance grade properties of polymer-modified, vulcanized asphalt by treating an asphalt cement under mild oxidizing conditions sufficient to...
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7241818 |
Filler comprising fly ash for use in composites
The present invention is a fly ash filler or filler blend having a particle size distribution with at least three modes that can be combined with a polymer or bitumen at higher filler loadings to...
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7205344 |
Crosslinker for modified asphalt
The present invention relates to compositions and methods for providing an improved means of modifying asphalt with a polymer. More particularly, this invention provides a crosslinking system to...
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7186765 |
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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7144933 |
Modified asphalt compositions
A modified asphalt composition is provided comprising at least one plastomer, at least one elastomer, and asphalt. More specifically, a modified asphalt composition is provided comprising an...
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7074846 |
Rubber modified asphalt cement compositions and methods
The present invention discloses methods of making improved rubber modified asphalt cement compositions, and compositions made by the method, where the compositions are useful in paving, roofing,...
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7060743 |
Bitumen composition
The present invention provides a bitumen composition including: —(i) from 0.1 to 25% wt of an elastomer, (ii) from 0.1 to 40% wt of a solvent, (iii) from 30 to 99% wt of a bitumen, (iv) from 0.1 t...
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7045570 |
Liquid asphalt modifier
The present invention relates to compositions and methods for providing an improved means of modifying asphalt with a polymer. More particularly, this invention provides a solvent system that...
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7041717 |
Composition and method for surface protection
A composition and a method for protection of constructions and structures from chemical action and destructive environmental effects. The main components of the composition are a polymerizing...
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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...
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6956071 |
Use of alternate thiol accelerators for crosslinking rubber in asphalt
It has been discovered that certain nitrogen-containing thiols other than mercaptobenzothiazole (MBT) perform equivalently as accelerators in preparing asphalt polymer compositions. Typically, the...
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6927245 |
Dispersing agent and method for the delivery of cross-linking agent to polymer modified asphalt compositions
The present invention provides a dispersing agent that facilitates the delivery of a cross-linking agent to polymer modified asphalt. The present invention further includes a composition comprising...
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6897249 |
Asphalt additive, a composition added with the asphalt additive, and a method for preparation of the composition and its application
The present invention provides an asphalt additive comprising a tire rubber powder and a petroleum resin. This asphalt additive is used in preparation of a reformed asphalt and paving material,...
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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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6872763 |
Bitumen vulcanizing composition
Provided is a vulcanizing agent for vulcanizing bitumen, which vulcanizing agent comprises a sulphur agent and a binder, wherein the vulcanizing agent is in the form of pellets. Further provided is...
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