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7597754 |
Asphaltic compositions and methods of their manufacture
Asphaltic compositions that are made from recycled waste building materials may include recycled plastics, provide reduced environmental impact and may be formed to meet state standards for...
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7595356 |
Polymer modified bituminous binder with low emissions
The invention relates to a bituminous binder composition comprising: (a) 60-99.75 wt. % bitumen; (b) 0.05-5.0 wt. % of an elastomer; (c) 0.1-30.0 wt. % of a mono-alkyl ester of a vegetate e oil or...
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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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7498387 |
Modified polymers and compositions containing the same
A first-order modified, hydrogenated polymer comprising (1) a hydrogenated polymer obtained by hydrogenating at least one unhydrogenated polymer selected from the group consisting of a polymer...
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7462660 |
Copolymers containing styrene oxide and use thereof as emulsifiers and dispersing agents
The invention relates to copolymers of formula (I) wherein R 1 is hydrogen, a C 1 -C 5 -alkyl radical or C 2 -C 5 -alkenyl radical which can also contain heteroatoms, an acid group or an aliphatic...
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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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7374816 |
Prefabricated membrane based on modified polyurethane bituminous binder and process for production
The present invention has for its object a prefabricated sealing membrane formed by a support, coated on at least one surface, and preferably impregnated throughout, with a modified bitumen base...
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7317051 |
Moisture curable sealer and adhesive composition
A low cost moisture curable sealer and adhesive composition containing a polymer having reactive silyl groups and a bituminous material and having many advantages over conventional moisture cure...
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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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7166666 |
Curing composition comprising a polymer having two or more thiol groups per molecule, a compound having two or more isocyanate groups per molecule, carbon black and silicic acid or silicate filler, and/or a pulverized coal filler
A curing composition contains a polymer having two or more thiol groups per molecule, a compound having two or more isocyanate groups per molecule, and carbon black, and further contains a filler...
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7160943 |
Aqueous crumb rubber composition
A fluid or semifluid additive composition useful for asphalt paving comprises between about 10% and about 50% crumb rubber, about 10% and about 50% petroleum hydrocarbon having at least about 50%...
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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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7148273 |
Bituminous composition with reduced gelation tendency
The present invention concerns a bituminous composition which comprises a bituminous component (I), a block copolymer (II), comprising at least two terminal blocks of a poly(monovinylaromatic...
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7138437 |
Polyurethane composition containing a property-enhancing agent
A composition comprising at least a part A and a part B is disclosed. The part A comprises at least one polyol and the part B comprises at least one isocyanate. At least one part further comprises...
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7025822 |
Asphalt mastic utilizing petroleum refinery waste solids
An asphalt mastic is prepared by combining comminuted waste solids from a petroleum refinery with liquid asphalt that is either a hot asphalt or an asphalt emulsion. The resulting composition is...
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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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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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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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6802897 |
Biodiesel sulfur slurry
A slurry mixture of sulfur in a liquid carrier comprising an ester derived from vegetable oils or animals fats such as biodiesel is disclosed. Also disclosed is a method of preparing a mixture of...
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6790395 |
Method for producing a thermoplastic filler
A method for producing a thermoplastic filler for eliminating surface damage to concrete or asphalt surface is disclosed which includes mixing stone chips, sand, a powdered material and a...
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6759454 |
Polymer modified bitumen compositions
The present invention is a polymer modified bituminous composition having improved phase stability, heat aging and viscosity characteristics. The bituminous compositions are blends comprising...
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6759453 |
Asphalt compositions
The invention comprises polymers which have been functionalized so as to be able to chemically react with polyamines to form adducts containing at least one or more groups consisting of amino,...
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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...
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6750280 |
Thermosetting compositions based on polymers containing acid anhydride groups
A thermosetting composition consists essentially of a mixture of (A) a polymer containing acid anhydride groups, (B) a molecular sieve being partially loaded with at least one amine, and (C) a...
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6743838 |
Expoxy functionalized ethylene copolymer asphalt reaction products
The present invention relates to polyepoxy-polymer-linked-asphalt having enhanced properties made by reacting a glycidyl-functionalized ethylene copolymer with reactive asphalt, wherein the...
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6727299 |
Aromatic polysulfide and an asphalt composition containing the same
The present invention relates to a novel aromatic polysulfide and an asphalt composition containing the same, and more particularly, to a novel aromatic polysufide having repeating units of the...
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6713540 |
Method for crosslinking asphalt compositions and the product resulting therefrom
A process is provided for crosslinking polymer modified asphalt compositions using a combination of a crosslink initiator, crosslink co-agent and crosslinkable polymer, to provide a process that is...
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6713539 |
Storage-stable modified asphalt composition and its preparation process
A storage-stable modified asphalt composition, which comprises: 50-97.7 parts by weight of a base asphalt, 2.0-20.0 parts by weight of a polymer having double bonds, 0.1-20.0 parts by weight of a...
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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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6667354 |
Stable liquid suspension compositions and suspending mediums for same
Stable and environmentally friendly suspensions of solid particulates are provided through the addition of such solid particulates to a suspension medium which is comprised of a liquid carrier, a...
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6630534 |
Polyurethane paste composition and sealing material
Disclosed is a composition useful as a sealing or undercoating material for automobiles. The composition comprises fine particles (A) comprising polyurethane resin, a plasticizer (B) and fillers...
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6583202 |
Roofing membrane
This invention relates to a roofing or siding membrane comprising a non-woven mat coated with an asphaltic composition containing, in addition to 35-75 wt. % bitumen, a mixture of isotactic and...
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6569351 |
Accelerator-gel additive for use in the production of polymer-modified asphalt
The present invention is directed to a an accelerator-gel additive used to deliver an accelerator such as sulfur, into a system for the production of polymer modified asphalt, vulcanized rubber or...
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6558462 |
Method of making a powdered product from Trinidad Lake Asphalt for use in a road building mix
Method of processing Trinidad Lake Asphalt (TLA), including the steps of removing Trinidad Lake Asphalt from the earth and adding thereto at least one stabilizing material of a type which increases...
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6552105 |
Poly (arylene ether) composition, method for the preparation thereof, and articles derived therefrom
A composition comprises a bitumen and a poly(arylene ether) having an intrinsic viscosity less than 0.40 deciliters per gram. The composition exhibits high softening and flow temperatures, and high...
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6538060 |
Bituminous polyurethane interpenetrating elastomeric network compositions as coatings and sealants for roofing and other applications
Elastomeric polyurethane interpenetrating network compositions are disclosed which are preferably developed by in situ reaction of polyols with different isocyanates and polyisocyanates in a...
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6538053 |
Watertight roofing panels of a bituminous composition
Bituminous compositions modified with self-adhesive cold-application polymers generally used for manufacturing of watertight roofing panels, said compositions comprising a mixture containing a...
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6534571 |
Desiccant dispersion for rubber compounds
A solid calcium oxide desiccant dispersion for use in rubber compounds. The dispersion comprises 30-94 weight percent calcium oxide and 3-55 weight percent asphalt and optionally 0.5-12 weight...
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6521680 |
Resinous monocomponent composition with improved adhesive properties, particularly for the production of seals
Resinous monocomponent composition with improved adhesive properties, based on a bitumen/polyurethane prepolymer mixture and adapted to constitute a sealing layer or a portion of a sealing layer,...
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6492439 |
Asphalt compositions
A rubber-modified asphalt composition is provided. The asphalt composition includes asphalt, a rubber including at least high vinyl poly(conjugated diene), and at least one phenolic curing resin....
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6486236 |
Asphalt composition comprising bismaleimides
A rubber-modified asphalt composition is provided. The rubber includes at least a polydiene and may further include vinyl-substituted aromatic hydrocarbon monomer contributed units. The rubber is...
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6451886 |
Universal cross linking compound and polymer
A polymer modified asphalt which includes asphalt, a polymer, an aldehyde or a melamine resin, and an element chosen from a group consisting of Group VI-A of Periodic Table, such as sulphur.
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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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6444731 |
Modified asphalt
A method for manufacturing modified asphalt is characterized by adding a dispersion agent such as furfural or vegetable oil to a modifier material and then mixing the modifier material with...
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6441065 |
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 preparing a crosslinking elastomer concentrate that is added to a...
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6429241 |
Elastomer-modified bituminous compositions
Polymer modified bituminous compositions which are stable against phase separation are provided at greater levels of incorporation of elastomeric polymer having a conjugated diene structure, such...
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6414056 |
Asphalt compositions and method for making (LAW617)
The present invention relates to novel polymer modified asphalt polyphosphoric and superphosphoric acid treated binder compositions having enhanced high service temperature performance properties...
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6407152 |
Method for preparing asphalt and polymer compositions incorporating multi-component crosslinking agents
A process for the preparation of an asphalt and polymer composition in which a minor amount of polymer component is subjected to a crosslinking. An asphalt base material is heated in a mixing...
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6399680 |
Acid-reacted polymer-modified asphalt compositions and preparation thereof
An acid-reacted polymer-modified asphalt composition comprising (1) at least about 80 weight percent, based upon the composition, of an asphalt; (ii) about 0.2 to about 15 weight percent, based...
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