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WO/2000/068329A1 |
Road repair methods which involve application of an aggregate-free rapid setting aqueous asphalt residue emulsion onto a road surface, followed by application of aggregate to the applied emulsion. The emulsion comprises a fatty acid/ethy...
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WO/2000/060028A1 |
According to the invention bitumen or a bitumen-like substance is produced by mixing a petroleum distillation residue with paraffin obtained by Fischer-Tropsch synthesis or montan wax.
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WO/2000/055280A1 |
In a method of melting asphalt (24) in a vessel (10), the molten asphalt normally emitting fumes, 0.2 weight percent to 6 weight percent of a polymer is added to the asphalt to reduce the visual opacity of the fumes by at least 25% over ...
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WO/2000/055271A1 |
A pipe coating comprising a bitumen composition obtainable by mixing bitumen and a premixed additive comprising i) from 20 to 90 % by weight of one or more block copolymers of a vinyl aromatic hydrocarbon and a conjugated diene based on ...
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WO/2000/055257A1 |
Processed used motor oil containing motor oil additives is distilled at relatively high temperature and relatively low pressure to provide still bottoms having the motor oil additives contained therein which are then utilized as an aspha...
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WO/2000/051734A1 |
Method for treating a used catalyst mass, which catalyst mass comprises aluminium oxide in the main. According to the invention, said catalyst mass is treated by calcining at 300 - 2200 °C, following which it is used as an additive or m...
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WO/2000/049091A1 |
The invention relates to a modifier for improving the behavior of bituminous mixtures used in road paving. Said modifier disperses easily in any given proportion and provides improved properties in comparison with traditional bituminous ...
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WO/2000/046164A1 |
Solid-state composition having a flexural strength of at least 0.5 N/mm?2¿, which composition comprises from solid particles and a hydrocarbonaceous binder containing (i) from 15 to 95 % by weight, based on total binder, of asphaltenes,...
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WO/2000/046305A1 |
This invention relates to an adhesive composition which requires no heating to effect curing and which is beneficially employed to join roofing or siding membranes or to provide membrane coating suitable for adhesion of granules, which c...
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WO/2000/046304A1 |
An asphalt modifier containing 1 to 50 wt.% asphalt. This asphalt modifier is mixed with an asphalt to produce a modified asphalt. The modifier has so high dispersibility into asphalts that it can be evenly dispersed into and mixed with ...
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WO/2000/044975A1 |
Roofing membranes are provided with both high stiffness at high temperature (greater than 110 °C) and good flexibility at low temperature (less than -20 °C). Bituminous compositions may be more effectively used in such membranes at low...
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WO/2000/032546A1 |
The present invention is an asphaltene dispersant containing an aromatic, a sulfonic acid head, and an alkyl tail containing 16 carbons or more and at least one branch of a methyl or longer alkyl. Preferably, the aromatic is a fused two ...
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WO/2000/023522A1 |
The present invention relates to an asphalt mixture particularly well suited for road paving applications. The asphalt mixture comprises asphalt and a polymer having at least one polar functional group and having a density from about 0.9...
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WO/2000/021839A1 |
Asphalt is packaged in containers having breakage means, such as short notches, long channels, wedges or molded parts, to allow for easy breakage into smaller portions for ease of handling and feeding into kettles. Asphalt is also packag...
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WO/2000/020689A1 |
The invention provides a method for repairing a damaged area of a bituminous wearing course. The method comprises heating the damaged area, applying a liquid to the damaged area that rejuvenates damaged bitumen, adding new material to th...
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WO1999058325A9 |
This invention provides reinforced, water-resistant structures (100), and methods of manufacturing and installing such structures (100). These structures (100) include bituminous mastic material (10) having first and second major surface...
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WO/2000/018840A1 |
[1] A resin composition comprising a resin obtained by polymerizing cyclopentadiene or the like and a specific styrene resin, [2] a resin composition comprising (a) a polystyrene-based polymer component and (b) a specific petroleum resin...
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WO/2000/015715A1 |
Asphaltic materials are provided with increased resistance to damage from water, oil and weather by a process which comprises treating said materials with an aqueous composition containing: (A) from about 0.1 to 4% by weight, on a 100% s...
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WO/2000/015719A1 |
The invention relates to a method for producing asphalt-containing coverings in road building and industrial constructions on good bearing, optionally rolled, beds, by applyingith finishers or by hand a hot asphalt mixture consisting of ...
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WO/2000/014027A1 |
There is disclosed a cementitious composition comprising a hydraulic cement, and a hydrocarbon binder mixed in at least one organic solvent which mixture is dispersed essentially throughout the cement. The hydrocarbon binder is substanti...
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WO/2000/014161A1 |
The invention concerns a bitumen emulsion with controlled viscosity comprising a first type of cationic emulsifier and a second type of non-ionic emulsifier and an included water fraction ranging between 1 and 15 % of the total water. Th...
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WO/2000/012631A1 |
The invention relates to a method for using powdery quebracho resin as breaking inhibitor in order to produce slow and superstable cationic emulsions. The invention relates to the use of quebracho resin for producing emulsions of the cat...
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WO/2000/011111A2 |
The elastomeric polyurethane interpenetrating network compositions of the invention are developed by in situ reaction of polyols with different isocyanates and polyisocyanates in bituminous material. (2) Suitable bituminous materials inc...
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WO/2000/006638A2 |
A composition comprising a binder and a residue wherein the residue comprises a blend of polypropylene, styrene butadiene rubber and calcium carbonate. The residue is a novel material derived as a coproduct from the medium-pressure depol...
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WO/2000/005303A1 |
Composition containing bitumen and mineral particles, which particles have been provided with a polymer coating, the composition containing mineral particles with a particle diameter $m(f) 63 $g(m)m, which particles have been provided wi...
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WO/2000/004990A1 |
This invention concerns an agglomerating agent for use with particulate materials which are inert to the agglomerating agent and which agent consists of an admixture of urea, formaldehyde and bitumen emulsion. The urea may be in the form...
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WO/2000/004096A1 |
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 surfactant; 0 % to 5 % of thickening age...
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WO/2000/002962A1 |
A process for manufacturing a granular mastic compound comprising desired amounts of bitumen, filler and aggregate, the process comprising spraying fluid bitumen onto at least some of the aggregate and an optional partial volume of fille...
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WO1999051708B1 |
A fuel composition comprising a hydrocarbon in water colloidal dispersion including spherical hydrocarbon particles having a mean softening point exceeding about 95 DEG C, and a water soluble dispersion agent comprising a surfactant and ...
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WO1999051676B1 |
A composition of a hydrocarbon in water colloidal dispersion including hydrocarbon particles having a mean softening point exceeding 95 DEG C, a water soluble dispersion agent and water, process and apparatus for the production thereof a...
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WO/1999/064517A1 |
The invention concerns a composition and a method for producing a road surface course for roadways with little or moderate traffic corresponding to not more than about 5000 vehicles per day. The composition is based on black japanned agg...
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WO/1999/058491A1 |
The present invention provides an amine or polyamine, which has a surface activity not inferior to a solid tallow-based amine and an excellent workability. A salt of the amine is suited for emulsifying asphalt and the like, and also prov...
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WO/1999/058600A1 |
The present invention relates to novel polymer modified asphalt polyphosphoric and superphosphoric acid treated binder compositions having enhanced high service temperature performance properties and the method of making them and to road...
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WO/1999/057199A1 |
The invention concerns a method for making a bituminous binder emulsion consisting in: a) preparing a concentrated primary emulsion containing a surfactant and at least 65 wt.% in the case of an anionic emulsion, respectively at least 70...
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WO/1999/054413A1 |
The present invention relates generally to the field of release agents commonly in use in preventing asphalt and other sticky compounds such as rubbers from sticking to the transporting vehicles such as dump truck beds and processing too...
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WO/1999/052981A1 |
The invention concerns an expansion joint for road works, consisting of a binder formed by a hot sealant incorporating fibrous materials characterised in that the fibrous materials consist of cellulose fibres whereof the average length i...
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WO/1999/051678A1 |
Filler and heated aggregate are mixed in a first stage with a partial amount of bitumen heated into liquid state, whereupon the mixture is allowed to cool to ambient temperature. After cooling the mixture appears as a granular semifinish...
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WO/1999/051677A1 |
A mastic product comprising bitumen, filler and aggregate is prepared by introducing into a mixer aggregate in an unheated and undried condition and with a water content controlled to be at least about 3 % by weight by reference to the t...
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WO/1999/048835A1 |
The invention relates to a flowable, hydraulic setting mortar system comprising a powder component (A) and a liquid component (B). Component (A) contains: between 20 and 60 weight % of at least one hydraulically setting binding agent, be...
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WO/1999/043890A1 |
A bituminous emulsion for cold waterproofing, elastic, modified with elastomers, that may be spray applied with a catalyst dissolved in water, comprising a bitumen percentage, in weight, of 35 % to 70 %, modified with a percentage variab...
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WO/1999/042526A1 |
A lignin based colloidal dispersion into lubricating oil or bitumen is prepared from black liquor residue. In one process, in the first step, the black liquor is converted from its aqueous colloidal system to an anhydrous colloidal dispe...
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WO/1999/031180A1 |
A method and apparatus for packaging a low-fuming meltable asphalt composition which includes the introduction of pellets comprising one or more polymeric materials into molten asphalt flowed into a conventional container or carton (28).
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WO/1999/029780A1 |
The present invention relates to a method for the remediation of contaminated material, comprising mixing said contaminated material with fortification material and a filler, cold mixing the resulting mixture with an aqueous cationic bit...
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WO/1999/027018A1 |
Stable rubberized bitumen concentrates are prepared by initially forming a mass comprising bitumen and crumb rubber particles in an amount of at least about 15 wt.% of the mass with the crumb rubber being swollen in-situ, and applying sh...
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WO/1999/019423A1 |
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 the melting point of the TLA to produce...
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WO/1999/011737A1 |
The invention relates to bitumen or asphalt for producing a road topping, whereby said bitumen or asphalt contains a proportion of paraffin obtained by Fischer-Tropsch synthesis (FT paraffin). The invention also relates to a road topping...
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WO/1999/010434A1 |
The invention concerns a surfacing material comprising a) particulate material comprising 45-80 % by weight of coarse aggregate having a particle size greater than 4.75 mm, and 40-15 % by weight of fine aggregate having a particle size o...
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WO/1999/007801A1 |
Improved coatings which incorporate Trinidad Lake Asphalt (TLA), also known as Trinidad Natural Asphalt or Epure, as a raw material therein. The invention provides improved paints, primers, sealers, epoxies, roofing compounds, sound dead...
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WO/1999/007792A1 |
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 oxidised wax into the bituminous binder pr...
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WO/1999/005074A2 |
The invention relates to a method for colouring building materials and asphalt by means of pigment granules, whereby different compressed and built-up granules are used.
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