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Matches 501 - 550 out of 1,405

Document Document Title
WO/2003/106058A2
The present invention relates to hydrocarbon extraction method and apparatus therefor.  
WO/2003/090945A1
The invention consists of a method for treating polychlorinated biphenyl (PCB) contaminated media by: a) combining the media with a fluid containing one or more liquid hydrocarbons to form a media/fluid mixture; b) sonicating the mixture...  
WO/2003/089547A1
The invention relates to a method for the desulphurization of gasoline, diesel, gas oil and other crude oil fractions, using compounds of formula (1) as the extracting agent, wherein R1 represents H, C1 to C10 alkyl, alkenyl or C6-C18 ar...  
WO/2003/072215A2
Environmentally friendly solvents used to dissolve or remove residues and/or substances from substrates wherein the residue and/or substance is contacted with a Generally Recognized As Safe solvent to dissolve the residue and/or substanc...  
WO/2003/060040A2
Methods for producing a substantially paraffinic Fischer-Tropsch product or a blended Fischer Tropsch product comprising a selected oxygenate concentration, and if required, a selected oxygenate concentration of specific individual oxyge...  
WO/2003/040264A1
A process for the removal of organosulfur compounds from hydrocarbon materials is disclosed. The process includes contacting an ionic liquid with a hydrocarbon material to extract sulfur-containing compounds into the ionic liquid. The su...  
WO/2003/037835A2
The invention relates to a method for eliminating polarizable impurities from hydrocarbons and hydrocarbon mixtures by using ionic liquids as an extraction medium, in order to reduce the degree of impurity of the hydrocarbon or hydrocarb...  
WO/2003/031537A1
A process oil comprising a 95&sol 5 to 5&sol 95 by weight mixture of: an extract having a DMSO extractable content less than 3 wt.% obtained by solvent−extracting an oil obtained by deasphalting a vacuum distillation bottom&semi and ei...  
WO/2003/025097A1
The invention relates to a method of desulphurising and/or denitrogenating a hydrocarbon mixture containing sulphur compounds and/or nitrogen compounds. The inventive method comprises: (i) an oxidation step using an oxidising agent in or...  
WO/2002/102935A1
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...  
WO/2002/102940A1
The invention relates to a method for desulfurizing naphtha boiling-range hydrocarbons such as cracked naphtha. More particularly, the invention relates to hydrotreating the naphtha under selective hydrotreating conditions, and then remo...  
WO/2002/102934A1
The invention relates to a composition and method for treating liquid hydrocarbons in order to remove acidic impurities, such as mercaptans, particularly mercaptans having a molecular weight of about C¿4? (C¿4?H¿10?S=90 g/mole) and hi...  
WO/2002/102933A1
The invention relates to a method for treating naphtha, such as catalytically cracked naphtha, in order to remove acidic impurities, such a mercaptans. In particular, the invention relates to a method for mercaptans having a molecular we...  
WO/2002/102936A1
The invention relates to a method for treating and upgrading a hydrocarbon containing acidic species such as mercaptans, comprising: (a) contacting the hydrocarbon, in the essential absence of oxygen, with a first phase of a treatment co...  
WO/2002/099013A2
A process for deacidifying a crude oil and/or crude oil distillate containing organic acids the steps of (a) contacting the oil containing organic acids with a polar solvent comprising a C¿1? to C¿6? aliphatic alcohol in the presence o...  
WO/2002/081597A1
A method and a device for separating sulfuric compound contained in oil; the method, comprising the step of feeding fog oil into an ozone atmosphere to perform a treatment for catalytic reaction to ozone so as to oxidize the sulfuric com...  
WO/2002/074886A1
A method of refining a crude extract of a material of natural origin is provided and comprises: a. contacting the crude extract with a first solvent comprising a blend of a first liquefied gas having a first solvating range and a second ...  
WO/2002/074884A1
Fossil fuels are combined with a hydroperoxide, a surface active agent, and an aqueous liquid to form an aqueous-organic reaction medium which is passed through an ultrasound chamber on a continuous flow-through basis. The emerging mixtu...  
WO/2002/066583A1
A method of petroleum refining which comprises a solvent extraction step in which a heavy oil is subjected to solvent extraction to obtain an extracted oil and a hydrotreating step in which the extracted oil is hydrotreated in the presen...  
WO/2002/064233A1
A method for cleaning materials containing solids and/or liquids is disclosed which involves contacting the materials with an extracting fluid including Xe, NH3, lower aromatics, nitrous oxide, water, CO, CO2, H2O, lower alcohols, lower ...  
WO/2002/059234A1
A process for upgrading oil feedstock wherein the feedstock is hydrotreated, hydrocracked, and flashed and/or distilled. The bottoms are then vacuum distilled to adjust viscosity and volatility. The refined feed is then extracted, dewaxe...  
WO/2002/057394A1
A method of refining a petroleum product to remove aromatics and to separate paraffinic oils and waxes is provided. The method involves the utilization of phase equilibria wherein crystallized or solidified waxes, normally present in the...  
WO/2002/055634A1
A process for treating nitrogen-containing, substantially paraffinic product derived from a Fischer-Tropsch process. The substantially paraffinic product is purified in a purification process to lower the concentration of oxygen, nitroge...  
WO/2002/050212A2
A process for separating a polar solvent from an organic acid and/or a neutralization salt thereof, said process comprising: feeding a stream comprising a polar solvent and an organic acid and/or a neutralization salt thereof to a select...  
WO/2002/049736A1
There is disclosed apparatus and a method for extracting biomass from a liquid biomass supply, the apparatus including a hollow vessel (11) in which is established a countercurrent flow of biomass in liquid form (or including particles o...  
WO/2002/050884A1
A cleaning method for removing fats, oils, and silicon small particles, which are conventionally difficult to remove, adhering to devices and carriers used to manufacture a semiconductor wafer or a semiconductor device. An etching method...  
WO/2002/050883A1
A cleaning method and an etching method for removing, by cleaning grease components and silicon micro pieces hard to remove, used for an apparatus and a carrier for manufacturing a semiconductor wafer or a semiconductor device. Matters t...  
WO/2002/048283A1
A process for producing a lubricating oil basestock having at least 90 wt.% saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hyd...  
WO/2002/048291A1
A process for producing a high VI/low volatility lubricating oil basestock and a lubricating oil basestock prepared by said process. The process comprises subjecting the raffinate from a solvent extraction step to a two step, single stag...  
WO/2002/038703A1
A process for manufacturing a lube base stock, and the lube base stock produced by the process, is disclosed. The method involves converting a light hydrocarbon feedstock into syngas, converting the syngas to hydrocarbon products via Fis...  
WO/2002/034864A1
A process for deacidifying a crude oil, comprising: a) contacting the crude oil with a polar solvent, such that at least part of the organic acid present in the crude oil is extracted into the polar solvent as an extract phase, b) separa...  
WO/2002/031085A2
This invention relates to a method for separating olefins and paraffins from oxygenates in a liquid hydrocarbon stream containing a high proportion of olefins, paraffins and oxygenates (mainly alcohols). Typically, the hydrocarbon stream...  
WO/2002/024836A1
The invention concerns a complexing agent comprising a $g(p) electron acceptor, characterised in that the $g(p) electron acceptor is an organic compound and has a LUMO energy level not more that - 1 eV, and said electron acceptor is graf...  
WO/2002/024837A1
The invention concerns a method for denitrogenation of a fraction containing nitrogenous hydrocarbons. The method comprises at least a step which consists in contacting said fraction with a complexing agent comprising at least a $g(p) el...  
WO/2002/018519A1
A process for deacidifying a crude oil and/or crude oil distallate containing organic acids, said process comprising: (a) contacting the crude oil and/or crude oil distillate with (i) a Group IA metal salt selected from the group contain...  
WO/2002/016530A1
This invention involves heat integration of a solvent deasphalting process with a gasification process and an improved process for separating a resin phase from a solvent solution comprising a solvent, deasphalted oil (DAO) and resin. Th...  
WO/2002/016989A1
A fiber optic connector system (100) for connecting at least one optical fiber cable (174) mounted near the edge of a planar substrate (102) to a backplane (104), each optical fiber cable including a plurality of optical fibers and a ter...  
WO2000042126A9
A process fo hydroprocessing petroleum and chemical feedstocks by use of a bulk multimetallic catalyst comprised of at least one Group VIII non-noble metal and at least one, preferably two Group VIB metal wherein the ratio of Group VIB m...  
WO/2001/096496A1
US0118523ng component for a solvated mesophase pitch. The solvated component includes a mixture of aromatic hydrocarbons having boiling points in the atmospheric equivalent boiling point range of about 285° to about 460 °C (about 550 Â...  
WO/2001/093986A1
The invention relates to a method for neutralising a stream of hydrocarbon fluid which contains carbon dioxide (CO¿2) and/or additional acidic gases in the form of impurities. According to the method, the stream of fluid is brought into...  
WO/2001/093989A2
Sample processing methods that utilize a graphitized carbon matrix are useful for determining the relative amounts polyhalogenated biphenyls (PHBs), polyhalogenated dibenzofurans (PHDFs), and polyhalogenated dibenzo-p-dioxins (PHDDs) in ...  
WO/2001/092439A1
A process for removing metal ions from crude oil comprising contacting a non-ionic amphiphilic solvent with the crude oil, optionally, in the presence of water, so as to produce a metal ion-containing phase, and separating the metal ion-...  
WO/2001/088063A1
In this invention a heavy crude is heated to from about 300 °F to about 600 °F. The crude is maintained at this temperature and gases are flashed off the crude. Salts such as magnesium chloride and calcium chloride react with water in ...  
WO2000077120A9
The invention may be used to evaluate suitability of hydrocarbon materials to various types of processing methodologies, or to determine processing parameters, either prior to processing or during processing. Prediction of proximity to f...  
WO/2001/079388A2
An embodiment of the present invention is a method for isolating conducting polymer precursors by contacting a non-basic heterocyclic nitrogen containing hydrocarbon stream having a boiling point of from 232 °C /450 °F) to 566 °C (105...  
WO/2001/079389A1
The invention relates to a plant for the extraction of aromatic substances from a hydrocarbon mixture, containing aromatic and non-aromatic substances, comprising an extraction column (1), for liquid/liquid extraction, a distillation col...  
WO/2001/079387A2
An embodiment of the present invention is a method for isolating conducting polymer precursors by contacting a non-basic heterocyclic nitrogen containing hydrocarbon stream having a boiling point of from 232 °C (450 °F) to 566 °C (105...  
WO/2001/079396A1
The present invention is a process to reduce the fouling of equipment for processing petroleum feedstreams. The fouling is reduced by reducing the presence of peroxides and hydroperoxides in the feedstream. The steps of the process inclu...  
WO/2001/079384A1
The invention describes a method for preparing a low sulfur motor gasoline utilizing ethanol and caustic extraction.  
WO/2001/077257A1
Process to prepare a process oil with an aromatic content of more than 50 wt% (according to ASTM D 2007) and a polycyclic aromatics (PCA) less than 3 wt% (according to IP 346) by (a) contacting a feed mixture of a petroleum fraction boil...  

Matches 501 - 550 out of 1,405