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WO/2000/077106A1 |
Coatings with the use of natural materials such as a paint, which contains glue as an organic matter and is to be applied onto substrates such as lumbers, an undercoating, an adhesive, etc. aiming at minimize the generation of environmen...
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WO/2000/063320A1 |
The vaporized fraction is passed via line (11) to soaker drum (2) which is maintained at effective conditions so that the highest boiling materials are condensed out. Typically these conditions will include controlled quenching of vapor ...
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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/2000/055257A1 |
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/2000/046164A1 |
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/2000/044699A1 |
A phenolic-rich pyrolysis oil is produced by pyrolysing lignocellulosic material at a temperature of no more than about 550 °C under an absolute pressure of no more than about 50 kPa to produce pyrolysis vapors, and condensing the pyrol...
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WO/2000/043184A1 |
Method for the recycling of bituminous materials, more in particular for the recycling of bituminous roofing materials made up of bitumen and any possible inlaids such as polyester fleece of glass fleece or -fabric and such like, and of ...
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WO/2000/042127A1 |
A slurry hydroprocessing process for upgrading a hydrocarbon feedstock containing nitrogen and sulfur using bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least two Group VIB metals wherein the ra...
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WO/2000/042131A1 |
Hydroprocessing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/042120A1 |
Hydrotreating a petroleum feedstream comprised of at least 50 wt. % of an atmospheric distillation distillate boiling range product stream, preferably hydrodesulfurization of raw virgin petroleum distillates, using a bulk multimetallic c...
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WO/2000/042128A1 |
Hydrocracking process for hydrocracking petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/042121A1 |
Hydrofining of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/042125A1 |
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or ...
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WO/2000/042124A1 |
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrdesulfurzing stage containing one or mo...
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WO/2000/041988A1 |
An improved process for preparing alcohols by the Oxo process. More particularly this invention relates to an improvement in the hydrogenation step of the Oxo process characterized in the use of certain bulk multimetallic hydrogenation c...
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WO/2000/042082A1 |
This invention provides a process for hydrotreating hydrocarbon resins, which process comprises contacting a feedstock comprising a hydrocarbon resin or rosin, under suitable hydrotreating conditions, with a bulk multimetallic catalyst c...
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WO/2000/042129A1 |
A two stage hydrodesulfurizing process for producing low sulfur distillates. A distillate boiling range feedstock containing in excess of about 3,000 wppm sulfur is hydrodesulfurized in a first hydrodesulfurizing stage containing one or ...
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WO/2000/042119A1 |
Hydroconversion processing of petroleum and chemical feedstocks using bulk Group VIII/Group VIB catalysts. Preferred catalysts include those comprised of Ni-Mo-W.
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WO/2000/040671A1 |
In a method for reducing hydrogen chloride emissions from an asphalt air-blowing process, an asphalt is subjected to an air-blowing process where air is bubbled through hot asphalt to raise the softening point of the asphalt. The fumes f...
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WO/2000/040670A1 |
In a method for reducing hydrogen chloride emissions from an asphalt blowing process, ferric chloride and/or ferrous chloride are added to the asphalt. A chemical modifier is also added to the asphalt. The asphalt is subjected to a blowi...
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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/2000/024671A1 |
A waste carbonizing method for producing charcoal and/or activated charcoal from solid wastes such as waste lumber and rendering a producer gas completely harmless, wherein a solid waste (B) is exposed to a gas produced when another wast...
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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/1999/065843A2 |
The present invention provides an inexpensive, open cell, mechanically robust and graphitizable foam preform. The graphitizable foam is produced via a modified standard flower foam formulation. The invention provides a modified formula f...
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WO/1999/061549A1 |
A mesophase pitch material having a melting point in excess of 350 °C has a solvent added thereto to provide a solvated mesophase pitch. A low molecular weight solvent is used so that the melting point can be brought low enough to creat...
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WO/1999/038935A1 |
This invention is directed to a method of preparing a natural resin by liquefying wood, bark, forest residues, wood industry residues, or other biomass using fast pyrolysis in order to produce product vapours and char. Following removal ...
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WO/1999/033536A2 |
New process for separating the isotropic and anisotropic (mesophase) phases of tars through hot filtration. The process is based on the differences of the softening points of the two phases and using an intermediary temperature between t...
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WO/1999/017870A1 |
The process of the invention comprises feeding gaseous reactants into a slurry bed of particles suspended in a liquid. The gaseous reactants (13) react in the slurry bed (16), to form liquid and, optionally, gaseous products. The liquid ...
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WO/1998/056497A1 |
Viscoelastic surfactant based aqueous fluid systems useful as thickening agents in various applications, e.g. to suspend particles produced during the excavation of geologic formations. The surfactants are zwitterionic/amphoteric surfact...
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WO/1998/056858A1 |
The present invention relates to a paving comprising a bitumen composition containing an acid blown bitumen and a polymer containing epoxy groups, which paving is a paving which is in frequent contact with oil fractions, more specificall...
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WO/1998/047966A1 |
The invention concerns a method for producing bitumen/polymer compositions which consists in contacting, between 100 �C and 230 �C and under agitation, a bitumen or a mixture of bitumen's with at least one styrene and butadiene copol...
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WO/1998/047967A1 |
The invention concerns a method consisting in contacting, between 100 �C and 230 �C and under agitation, an elastomer, a functionalising agent and optionally a peroxide compound. The functionalising agent is a thiolcarboxylic acid po...
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WO/1998/046954A1 |
The present invention relates to a method and a furnace for electric calcining of carbonaceous material for the production of graphite or graphite-containing material. Carbonaceous materials supplied to the top of a vertically arranged f...
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WO/1998/045386A1 |
The present invention provides a process for thermosetting pitch fibers in reduced times, at low concentrations of oxygen and at higher temperatures than previously possible. Additionally, the present invention provides a pitch fiber whi...
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WO/1998/040447A1 |
The invention concerns a coal tar extract with reduced polycyclic aromatic hydrocarbon content and a method for obtaining same using two sequentially linked distillation systems. The invention also concerns cosmetic and dermatological pr...
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WO/1998/031519A1 |
Method for recycling bituminous materials, more in particular for recycling bituminous roofing materials, made up of bitumen and other components from roofing material, such as insulation materials made up of polystyrene, polyurethane, m...
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WO/1998/027023A1 |
A carbon-carbon composite material is made by providing an open-celled carbon foam preform, and densifying the preform with carbonaceous material. The open-celled carbon foam prefrom may be oxygen stabilized prior to carbonization, and t...
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WO/1998/027032A1 |
A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of fluidized hot ...
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WO/1998/027031A1 |
A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock includes a first stage and a second stage. The first stage, having a short residence time, includes a thermal process unit containing a r...
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WO/1998/013439A1 |
A process for converting coal tar containing quinoline-insoluble particles (Q.I.) produces a substantially Q.I.-free coal tar pitch and a separate Q.I.-containing coal tar pitch. Dehydrated coal tar, soft coal tar pitch or hard coal tar ...
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WO/1997/036970A2 |
Process for the preparation of an aqueous tar suspoemulsion by mixing a mixture comprising: (a) a viscous tar composition formed from a tar, from inorganic solids and, optionally, from water; (b) water (W); (c) a surface-active agent (SA...
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WO/1997/034676A1 |
The invention concerns a method and device for disposing of a liquid in the form of a mixture of viscous bituminous hydrocarbons and water, in particular a sheet of tar. The liquid is sucked by means of a water-jet suction pump (26) into...
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WO/1997/029168A1 |
A method for substantially reducing sulfur-oxide emissions from an asphalt air-blowing process (51) involves adding an emission reducing additive (53) to the asphalt prior to air blowing, or early in the air-blowing process. The emission...
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WO/1997/020770A1 |
This invention provides a process for preparing a solvated isotropic pitch having a fluid temperature at least 40 �C lower than the same pitch in the non-solvated state. Additionally, the present invention provides a solvated isotropic...
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WO/1997/014754A1 |
Functionalised elastomer/bitumen compositions with a broad plasticity range are produced by contacting a bitumen or bitumen mixture with an elastomer, a functionalising agent and optionally a peroxide compound at 100-230 �C under stirr...
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WO/1997/004041A1 |
A process for deasphalting a residua feedstock by use of a short vapor contact time thermal process unit comprised of a horizontal moving bed of fluidized hot particles. It is preferred that a mechanical means be used to fluidize a bed o...
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WO/1996/040838A2 |
A consumable container is molded from a composition comprising 40 to 90 weight % of an asphalt and 10 to 60 weight % of a polymer material, which advantageously can include a first polymer such as PP that imparts heat resistance and a se...
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WO/1996/034059A1 |
A pavement rejuvenating and/or conditioning composition in which particular coal tar derivatives and other optional ingredients are supplemented with an elastomeric constituent. A rejuvenating or conditioning composition containing an el...
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WO/1996/033244A1 |
An improved, substantially anhydrous, cross-linking agent is disclosed for use in asphalt compositions of the type used for roofing and paving materials. The cross-linking agent comprises a blend of tall oil, a strong base, an anhydrous ...
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