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Patent Searching and Data


Matches 601 - 650 out of 6,637

Document Document Title
WO/1993/006304A1
Obtainment of specific asphalt paving densities during roadbed repair by preshaping hot mat top surfaces concurrent with or/and prior to compaction. A conventional strike off bar (52) is modified with base indentations (56) which partial...  
WO/1993/005233A1
The invention concerns a powdery, hydrophobic filler for bituminized traffic areas, based on at least one substance that lowers the freezing point of water.  
WO/1992/021820A1
An improved paving composition includes between 89 - 93 % graded aggregate, 5.76 % asphalt cement, 0.24 % SBR polymer and 1 - 5 % graded recycled crumb rubber. The asphalt cement and SBR polymer are blended and heated to form a first mix...  
WO/1992/018573A1
An asphalt or other coating that contains bitumen as binder, which is visible when illuminating it with ultraviolet radiation by adding an oil component to it that is fluorescent in UV-light which is achieved for example by distillation ...  
WO/1992/016580A1
Light coloured petroleum binders free from asphaltenes are prepared by blending one or more highly cross-linked or high molecular weight polymers with an aromatic extract of petroleum origin obtained by liquid-liquid extraction of a dist...  
WO/1992/015536A1
A method of immobilizing a hazardous waste is provided. The method comprises providing a dry cementitious composition capable of hardening and in the form of finely divided particles of at least one cement binder, placing an amount of th...  
WO/1992/014000A1
The invention refers to a base structure, particularly for tennis courts, comprising a top layer (1) consisting of a solid microporous plate comprising a mixture from 50 % to 98 % fine clay and 2 % to 50 % cement, the thickness of the to...  
WO/1992/003392A1
A method of coloring cement-containing products includes applying a metal sulfate to the surface of the product in the presence of water.  
WO/1991/006606A1
Bituminous binder emulsion formed from a dispersion of an organic phase consisting of a bituminous binder in an aqueous phase incorporating an emulsifying system made up of one or more emulsifying agents, a water-soluble thickener and po...  
WO/1991/000881A1
Acrylic copolymer including, for 100 parts by weight: from 2 to 65 parts by weight of at least one (Meth)acrylate of polyoxyether of formula (I) in which: R1 is a methyl radical or an atom of hydrogen; R2 is a hydrocarbon radical with be...  
WO/1991/000315A1
The bitumen/polymer composition contains a bitumen and, based on the bitumen weight, 0.5 to 15 % of a polymer, 0.05 to 10 % of an adhesive-carrying component of the amine, amide or imidazoline type, and possibly 1 to 30 % of a flux agent...  
WO/1990/011331A1
A patch binder (14) for road surface repair is capable of being sprayed under pressure onto existing road surfaces (10, 12, 18, 20, 22) to foster seamless homogenizing and mending of existing road surface material with added asphalt patc...  
WO/1990/010751A1
A method and composition utilizing a coating containing a parent binding material (16). Stone chips (20, 22) are then spread onto the parent binding material (16) to form a composite (36) having an upper surface (28). A liquid compositio...  
WO/1990/008226A1
The stabilizing method of the invention comprises the impregnation of mineral substances present on the site with at least a mixture of a binder based on sodium and/or potassium alcaline silicates, at least a plastifying additive and at ...  
WO/1990/003951A1
The method of disposal of hydrocarbon sludge (such as petroleum-derived sludge residue from a hydrocracker) comprises mixing the sludge with spent silica-alumina catalyst particulate fines, of particle size not exceeding 50 micrometres, ...  
WO/1990/002776A1
Bitumen-polymer compositions are prepared, between 100�C and 230�C, by mixing bitumen with a copolymer of styren and a conjugated diene and a coupling agent susceptible of providing sulfur, the copolymer and the coupling agent being ...  
WO/1990/002226A1
Road-surface material intended for dressing asphalted roads comprises crushed rock-material, such as quartzite (SiO2) and a binder, such as pitch. The invention is characterised in that the road-surfacing material also includes an additi...  
WO/1990/000182A1
In a process for manufacturing a bituminous binder modified with a thermoplastic for building materials, in particular road building materials, molten bitumen is subjected to a homogenization treatment together with a thermoplastic or a ...  
WO/1990/000183A1
A gelled asphalt cement having improved properties over conventional asphalt cement, including reduced temperature susceptibility and lower rate of age hardening is disclosed. This multigrade asphalt cement is produced by gelling a lique...  
WO/1990/000161A1
The invention relates to the preparation of an agglomerate of basic components comprising pebbles, gravels and sand with a plastics-based binder. In order to produce the agglomerate use is made of a compound comprising a binder in which ...  
WO/1989/006259A1
A bitumin substitute synthetic plastics material binder is disclosed which includes at least one natural rosin, a mixture of two or more synthetic plastics materials and suitable lubricants or thickeners. The binder can be suitably colou...  
WO/1988/008438A1
In order to improve the manufacture of bituminous substances, including bitumen stabilized with fibrous fillers, so that the fibrous fillers can be easily and uniformly distributed throughout the bitumen, the fibrous fillers are incorpor...  
WO/1988/006971A1
A synthetic sporting surface for tennis courts comprises a laminate of (1) a porous base layer formed from a matrix of liquid polyurethane mixed with resilient particles; (2) a polymeric sealant which seals the upper porous surface of th...  
WO/1988/003214A1
The arrangement (1) as described consists of zones of easily-visible settlement units (2, 2a, 2b, 2c) of limited size, connected to one another by streets (6), having well facilities (4) and cultivation surfaces (7), and which are so arr...  
WO/1988/003157A1
A paving composition comprising about 80 to 97 % by weight of an open-graded aggregate and about 3 to 20 % asphalt, said composition being formed by successively mixing two asphalt-containing emulsions A and B with said aggregate wherein...  
WO/1987/005833A1
Dry cementitious compositions and methods for their application. The dry compositions do not have to be mixed with water but instead are poured, sprayed or troweled onto a substrate which contains a substantial excess of water than that ...  
WO/1987/005313A1
Bitumen - polyolefin compositions, e.g. for use as binders in paving composition, comprise a continuous bitumen phase and a dispersed polyolefin phase and are stabilized by an emulsifier system comprising a polyolefin wax with terminal f...  
WO/1987/002373A1
A paving composition formed of aggregate and asphalt cement in which the asphalt cement is treated with a combination of a primary catalyst comprising a compound chosen from the group consisting of asphalt cement soluble organic-manganes...  
WO/1986/004915A1
Cationic emulsions of bituminous binders of the bitumen/polymer type, formed by a dispersion of an organic phase of the binder in an aqueous phase containing a cationic nitrogenous emulsifier and a mineral or organic acid, said acid bein...  
WO/1986/004916A1
Cationic emulsions of bituminous binders of the bitumen/polymer type which are comprised of a dispersion of an organic phase consisting in the bitumen/polymer binder in an aqueous phase containing a cationic nitrogenous emulsifier and a ...  
WO/1986/000351A1
An asphalt pavement structural section (10), provides an optimum pavement design based upon the stress-bearing capacities of the conventional materials. It includes a plurality of material layers arranged to act as an integral mechanical...  
WO/1985/005388A1
A microwave energy reflecting zone (12, 12a, 12b) is provided below the surface of a pavement (11, 11', 11a, 11b) at a depth that is less than the maximum depth that such energy can penetrate into paving materials. The reflective zone, w...  
WO/1985/004914A1
In order to seal the cracks of road surfaces the following method is applied: a) a bituminous prelayer containing a solvent is sprayed on the contour of the cracks. b) Once the prelayer is dry, they are sprayed separately but simultaneou...  
WO/1985/000630A1
A porous resin concrete layer formed by resin-binding grains of a granular aggregate is integrated with a metal net member so as to cover the surface of a sandy or soil ground layer, thereby providing a water permeable outdoor floor. Fur...  
WO/1984/002709A1
A method of making and the resulting diatomite-modified pavement. The addition of small amounts (0.5 to 2%) diatomite by weight to conventional pavement mixes, serves to increase density, viscosity, aggregate interlock and temporarily vo...  
WO/1984/002520A1
Quartz sand molded elements, obtainable from dry quartz sand by the action of a high voltage electrostatic field due to the orientation and optionally the electrostatic charge of the quartz sand grains in the electric field, and to the s...  
WO/1984/000538A1
A soil stabilizing composition comprising Portland cement and a hydrated alkali metal silicate powder and the method of stabilizing soil comprising admixing the composition with a soil and compressing the mixture.  
WO/1983/002968A1
A coating comprises a lower or damping layer (1) and an upper or antiwear layer (2). Between the two layers there is arranged a metal reinforcing nest (3). Both layers contain rubber clippings (4), provided from worn out tyres. The lower...  
WO/1983/002619A1
A high asphalt content paving material containing diatomite. The diatomite stabilizes the additional asphalt preventing bleeding, rutting and shoving. The diatomite must be present in sufficient quantity to adsorb at least the excess asp...  
WO/1983/001798A1
To remove ice and snow from pavement (1) having a carbonaceous top surface (4), a 915 M-Hz micro-wave generator with wave guide (8) is passed over the ice (13) followed closely by a scraper (10). Concrete pavements (1) are first coated w...  
WO/1982/004081A1
The covering layer of the coating comprises brick dust and finely divided mineral aggregates, particularly coarse siliceous sand, which are bound by a hydraulic mortar, such as a mortar used particularly for paving. For the preparation, ...  
WO/1981/003039A1
Process for tack coating between layers of road surfacing material such as asphalt concrete, in which an existing layer is swept clean and sprayed with a thin layer of asphalt binder or tack coal, whereafter asphalt compound is laid out ...  
WO/1980/002435A1
Road surfacing (3) which emits reduced rolling noise and method for the manufacture of such a road surfacing. The road surfacing material is relatively soft and incorporates air-permeable, preferably intercommunicating channels or pores....  
WO/1980/002030A1
A uniform asphalt pavement of substantial area composed of aggregates of varying natural qualities produced by a systematic process of mix design, mix analysis, and plant control. The method uses a Riguez Index which is characteristic of...  
WO/1980/001578A1
Improved process for surface treatment of roads by separately applying a liquid asphalt binder and an aggregate. The improvement consists in that the load distribution of the road is determined before the dosage of the binder and that th...  
JP6748468B2  
JP6751213B2  
JP6742585B2  
JP2020117995A
[Subject] Recycling of abandonment carbon black and a can tableau wastage rate of a porous asphalt paving mixture which carried out ultraviolet-rays exposure provide a porous asphalt paving mixture to which a standard is satisfied. [Mean...  
JP2020523279A
the present invention is based on gross weight -- 45~90% of the weight of portland cement;0~25 % of the weight limestone [ Siliceous fly ash;0~25 % of the weight ]; and 5~30% of the weight of polyvinyl alcohol, preferably D10= 170~270 mi...  

Matches 601 - 650 out of 6,637