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8993657 Stable emulsions for producing polymer modified asphalt  
An acid modified asphalt binder is combined with an emulsifier solution to produce an emulsified asphalt binder. The acid modified asphalt binder may be formed by combining an asphalt binder, a...
8926742 Asphalt-rubber compositions and systems and methods for preparing same  
One embodiment provides a process for preparing an asphalt-coated crumb rubber composition that meets the specification set forth in ASTM D80-02 or deviations thereof which may be established by...
8575251 Recycled elastomer and method  
The present disclosure provides a method comprising reducing the size of elastomeric particles in the presence of a liquid, wherein said liquid comprises an antidegradant and optionally a...
8444760 Bituminous composition  
This disclosure relates to bituminous compositions and methods of producing the same. More particularly, the disclosure relates to the production of bituminous compositions formulated with...
8202922 Process for cross-linking bitumen/polymer compositions having reduced emissions of hydrogen sulphide  
The disclosure relates to a method of preparing crosslinked bitumen/polymer compositions having reduced emissions of hydrogen sulphide, in which, while operating at temperatures between 100° C....
8197588 Use of amides and/or polyamides as auxiliary agents for asphalt and bitumen compositions  
Suggested is the use of amides and/or polyamides obtainable by condensation of (a) mono- and/or dicarboxylic acids and (b) amines and/or polyamines as auxiliary agents for aqueous asphalt and...
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...
8026300 Aqueous resin dispersion, process of making thereof, and product thereof  
The invention relates to watery resin dispersions, a process for their manufacture, and a product. To make available resin dispersions that do not pollute the environment during their processing,...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
5929144 Plasticized styrene ethylene butylene styrene (SEBS) copolymer rubber modified asphalt mixture  
Process and composition for styrene-ethylene-butylene-styrene (SEBS) block copolymer modified asphalt mixtures for use in roofing, sealing, paving, and waterproofing membranes. A plasticized SEBS...
5854322 Coal tar pitch modified by nitrile butadiene rubber  
A modified coal tar pitch useful in roofing applications, containing coal tar pitch, and a nitrile butadiene rubber, is blended by heating the coal tar pitch to a molten temperature, adding the...
5834539 Multiple phase emulsions in burner fuel, combustion, emulsion and explosives applications  
A multiple phase emulsion or gel including a water phase within at least one oil phase in which either or both of the phases contains one or more chemical moieties selected from a group consisting...
5795929 Polymer enhanced asphalt emulsion  
The present invention relates to an asphalt composition prepared from bitumen (asphalt), linear and non-linear copolymers of styrene and butadiene, cross-linking agents, and emulsifiers. The...
5776234 Anionic bituminous emulsions with improved adhesion  
This invention relates to rapid set, medium set, and slow set anionic emulsions prepared from straight bitumen or bitumen modified by the incorporation of polymers such as styrene butadiene...
5750598 Bitumen/polymer composition vulcanizable at temperatures below 100°C  
The bitumen/polymer composition comprises a bitumen, an elastomeric polymer vulcanisable with sulphur in an amount of 0.5 to 20% by weight of the bitumen, a sulphur-donating vulcanising agent, a...
5670562 Adhesion enhancers for anionic bituminous emulsions  
This invention relates to rapid set, medium set, and slow set anionic emulsions prepared from straight bitumen or bitumen modified by the incorporation of polymers such as styrene butadiene...
5668197 Anionic bituminous emulsions  
This invention relates to rapid set, medium set, and slow set anionic emulsions prepared from straight bitumen or bitumen modified by the incorporation of polymers, solvents, or polymer latices....
5521235 Bitumen emulsion and its use  
A bitumen emulsion of the cationic type is disclosed which contains a thickener comprising at least one substance selected from the group consisting of associative thickeners of the nonionic type....
5372643 Agent increasing the rate of hardening of cements, mortars and concretes while maintaining their workability  
The invention relates to an agent increasing the rate of hardening of cements, mortars and concretes while maintaining their workability. It also concerns an adjuvant for cements, mortars and...
5306343 Tagging and identifying asphalt additives  
A tag is added to an asphalt additive, typically an anti-stripping agent. The additive dye is mixed with other components of an asphalt composition and melt processed at 300° F. (149° C.) or above...
5177130 Rubberized chemical emulsion  
A rubberized chemical emulsion having rubber added to an anionic material after the anionic material has passed through a colloid mill.
5110833 Preparation of synthetic enzymes and synthetic antibodies and use of the thus prepared enzymes and antibodies  
A method of preparing synthetic enzymes and synthetic antibodies in which method use is made of the so called molecular imprinting method, is described. As imprinting molecules use is made of...
5045576 Latex conversion to cationic form use, for example in cationic asphalt emulsion  
The present invention provides for a method of converting an anionic latex to a cationic latex by the addition of a steric stabilizer and a cationic surfactant. The invention also provides for a...
5019610 Process for the production of polymer-modified asphalts and asphalts emulsions  
Disclosed is a polymer-modified asphalt composition which comprises a mixture of (a) a blend of from about 10 to 75 weight-percent of one or more of a thermoplastic rubber polymer and from about...
4997868 Cationic asphalt emulsions  
The setting time of cationic emulsions of asphalt, bitumen, coal tar or a mixture thereof may be shortened by incorporating into such emulsion at least 0.001 parts by weight per 100 parts by dry...
4990592 Anionic slurry seal emulsifiers  
An anionic emulsifier obtained from the reaction products of an alkyl phenol, polyamine, and formaldehyde or of an alkyl phenol, fatty acid/polyamine condensate, and formaldehyde followed by the...
4921892 Setting asphalt emulsions  
Anionic Emulsions of asphalt, bitumen, or tar which may optionally contain a latex of a rubbery polymer may be set using a destablizing system comprising either an alkali silicofluoride in the...
4812327 Emulsion-type rust preventive baking composition  
Emulsion type rust-preventive baking composition which comprises a polymer emulsion such as an aqueous acrylic resin emulsion and a heat-fusible organic filler having a melting or softening point...
4780146 Modified asphalt  
An asphalt composition comprises a bituminous material blended with a reaction product of ethylene diamine and a blend of a dibasic acid and one or more fatty acid residues.
4745155 Emulsified crack or joint filler  
The present invention provides an aqueous emulsion joint and crack filler capable of passing the ASTM Specification 1190 for joint and crack fillers. The emulsion solids are the reaction product...
4724245 Process for the preparation of an aqueous emulsion composition of asphalt-polyurethane  
The process according to the invention is characterized by the following stages: (A) an emulsion of asphalt composition is made starting from (a) an asphalt composition prepared by adding, at a...
4663370 Fiberized joint/crack sealant composition  
Polyolefin reinforced asphalt paving and sealing composition containing straight chain unsaturated fatty acid having up to 30 weight percent rosin as a plasticizer, plus an adhesion control...
4576648 Cationic emulsions of bituminous binders of the bitumen type and their process of preparation  
Cationic emulsions of bituminous binders of the type consisting of an organic phase formed of a bituminous binder dispersed in an aqueous phase containing a cationic emulsifying agent and an...
4370429 Dispersing solid carbonaceous material in water  
Quaternized ammonium synthetic polymers having a solution viscosity, as measured on a 1% solution in deionized water at 25° C. using a suspended level viscometer of from 1 to 500 cs are used as...
4340518 Process for the production of a cationic polychloroprene latex and a mixture of this latex with bitumen emulsion  
Process for producing a cationic polychloroprene latex by homo- or copolymerizing chloroprene in an aqueous emulsion in the presence of ammonium salts of inorganic or organic acids as emulsifiers...
4104211 Sealants  
This invention relates to a non-cationic bitumen and rubber in water emulsion sealant for internally sealing leakages in pipes, particularly gas mains. Sealant is applied by pressurizing the...
4073759 Protecting rusty metal  
Rust or corroded metal is very effectively protected by a coating deposited from an emulsion of asphalt, acrylic resin and rubber containing a polyamine surface active agent. No sand blasting,...
3933710 Asphalt composition  
A latex-asphalt emulsion composition comprising a cationic latex prepared by the emulsion-polymerization of a diene in the presence of an emulsifier of an inorganic or organic acid salt of an...
3831382 METHOD FOR REDUCING WATER LOSS THROUGH SOIL BY SEEPAGE  
A composition for reducing the loss of liquids by seepage through permeable ground surfaces is shown. The composition desirably comprises an aqueous emulsion of asphalt including a combination of...

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