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WO/2002/092727A2 |
An integrated process for producing a hydrocarbon stream, preferably including predominantly C¿5-20? normal and iso-paraffins, is disclosed. The process involves isolating a C¿4-? stream and, optionally a C¿5+? stream ('natural gas co...
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WO/2002/091813A2 |
An integrated process for producing a hydrocarbon stream including C¿5-20? normal and iso-paraffins is disclosed. The process involves isolating a non-sulfur containing methane stream and a sulfur-containing C¿5?+ stream from a natural...
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WO/2002/088279A1 |
A process for isomerization dewaxing of a hydrocarbon feed which includes contacting the hydrocarbon feed with a large pore size, small crystal size, crystalline molecular sieve and an intermediate pore size, small crystal size, crystall...
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WO/2002/086025A1 |
Process to prepare a base oil having a saturates content of more than 90 wt%, a sulphur content of less than 0.03 wt% and a viscosity index of between 80 and 120 from a solvent refined base oil feedstock, which process comprises: (a) con...
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WO/2002/081598A1 |
A method for hydroprocessing hydrocarbon products, preferably Fischer-Tropsch products, and a reactor useful for performing the method, are disclosed. The reactor includes one or more first catalyst beds (30) comprising a catalyst useful...
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WO/2002/081599A1 |
The present invention is directed to a method for hydroprocessing Fischer-Tropsch products. The invention in particular relates to an integrated method for producing liquid fuels from a hydrocarbon stream provided by Fischer-Tropsch synt...
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WO/2002/081596A1 |
The present invention is directed to a method for hydroprocessing Fishcer-Tropsch products. The invention in particular relates to an integrated method for producing liquid fuels from a hydrocarbon stream provided by Fisher-Tropsch synth...
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WO/2002/074882A1 |
A two stage hydrocracking process is characterized by operation of the second hydrocracking zone at a reduced pressure, which is conducive to cracking the highly paraffinic effluent of the first hydrocracking zone. The process is also ch...
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WO/2002/072739A1 |
The invention relates to a method for producing low-sulphur petrol comprising at least one sulphur compound transformation step consisting of the alkylation or adsorption of the sulphur compounds and/or in increasing the weight of the li...
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WO/2002/072730A2 |
A hydrofining process in which a sulfur- and hydrocarbon-containing processing stream is supplied to a multi-stage hydrotreating reactor incorporating separate stages of cobalt molybdenum catalysts. Hydrogen may be supplied concurrently ...
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WO/2002/072738A1 |
The invention relates to a method for producing petrol having a low sulphur content comprising at least one selective hydrogenation of diolefins, optionally at least one transformation stage, preferably an increase stage, of light sulphu...
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WO/2002/072740A1 |
The invention relates to a method for producing low-sulphur petrol from an initial petrol containing sulphur compounds comprising the following steps: a) the selective hydrogenation of the non-aromatic polyunsaturated compounds present i...
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WO/2002/070636A1 |
Automatic transmission fluid having a kinematic viscosity at 100 °C of between more than 4 and 10 cSt, a dynamic viscosity at -40 °C of less than 10000 mPas comprising an additive package and a base oil, wherein the base oil fraction c...
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WO/2002/070630A1 |
Process to prepare a waxy raffinate product by (a) hydrocraking/hydroisomerisating a Fisher-Tropsch derived feed, wherein weight ratio of compounds having a least 60 or more carbon atoms and compounds having at least 30 carbon atoms inth...
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WO/2002/070629A1 |
Process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerisating a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon ...
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WO/2002/070628A2 |
A process for the preparation of one or more hydrocarbon fuel products boiling in the kero/diesel range from a stream of hydrocarbons produced in a Fischer-Tropsch process, in which process synthesis gas is converted into liquid hydrocar...
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WO/2002/070631A2 |
Process to prepare two or more base oil grades, which base oil grades having different kinematic viscosity's at 100°C from a waxy paraffinic Fischer-Tropsch product having a content of non-cyclic iso-paraffins of more than 70 wt% by (a)...
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WO/2002/070627A2 |
Process to prepare two or more lubricating base oil grades and a gas oil by (a) hydrocracking/hydroisomerisating a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at...
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WO/2002/066582A1 |
An integrated process for producing desulfurized hydroprocessed products from Fischer-Tropsch synthesis is disclosed. The process involves isolating and desulfurizing a methane-rich stream from a natural gas source in a first separation ...
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WO/2002/066580A1 |
A process for concurrently fractionating and treating of a full range naphtha stream. The full boiling range naphtha stream is first subjected to simultaneous thioetherification or selective hydrogenation and splitting into a light boili...
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WO/2002/064711A1 |
A lubricant composition comprising a base oil and one or more additives wherein the lubricant composition has a kinematic viscosity at 100 °C of more than 5.6 cSt, a cold cranking simulated dynamic viscosity at -35 °C according to ASTM...
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WO/2002/064707A2 |
A process for preparing branched alkyl aromatic hydrocarbons, which process comprises contacting branched olefins within an aromatic hydrocarbon under alkylating conditions, which branched olefins have been obtained by a process which co...
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WO/2002/064710A2 |
Lubrication base oil composition comprising at least 95 wt % saturates, of which saturates fraction between 19 and 30 wt % are cyclo-paraffins and the remainder being n-and iso-paraffins, said composition having a viscosity index of abov...
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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...
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WO/2002/055192A1 |
The invention concerns a catalyst containing at least a silica-alumina, said silica-alumina having the following characteristics: silica SiO¿2? weight content ranging between 10 and 60 wt. %, Na content less than 300 ppm by weight, a to...
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WO2000069993A9 |
This application is related to a process for hydrocracking of heavy naphtha feeds. An improvement in the selectivity of the hydrocracking process was observed by decoupling aromatics saturation and hydrocracking reactions. This benefit h...
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WO/2002/050213A2 |
Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade by (a) performing a separate catalytic dewaxing on a spindle oil fraction, a light machine oil fraction and a medium machine oil fraction as obta...
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WO/2002/048288A1 |
The invention concerns a method for hydrotreating a heavy hydrocarbon fraction in a first hydrodemetallation section, then in a second hydrodesulphurization section into which the effluent is made to pass from the first section. The hydr...
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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...
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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...
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WO/2002/048289A1 |
The invention concerns an improved method for simultaneously producing very high quality oil bases and high quality middle distillates, comprising in successive steps of hydroisomerization and catalytic dewaxing. The hydroisomerization s...
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WO/2002/048285A1 |
This invention relates to a two stage hydroprocessing process with stripping zones (20) and (40) between the hydroprocessing zones (12) and (32) and following the last hydroprocessing zone. The stripping occurs at high pressure and tempe...
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WO/2002/048290A1 |
The invention concerns a method for simultaneously producing very high quality oil bases and high quality middle distillates comprising successive steps of hydroisomerization and catalytic dewaxing. The hydroisomerization is carried out ...
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WO/2002/046333A2 |
Lube base stocks and lube stock compositions, as well as a process for preparing lube base stocks and lube stock compositions, are disclosed. The lube oils preferably have a viscosity index above about 115. The process involves obtaining...
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WO/2002/044307A1 |
A method of petroleum refining which comprises: a distillation/separation step 1 in which a feedstock oil is distilled to separate it into a distillate oil M1 and a bottom M2; a hydrofining step 2 in which at least part of the distillate...
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WO/2002/040617A1 |
A method of desulfurizing a gas oil fraction which comprises: a step (I) in which a low-boiling gas oil fraction obtained by dividing the gas oil fraction into two parts at t°C (280 $m(F) t $m(F) 360 (°C)) is hydrogenated at an H¿2?/o...
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WO/2002/038705A1 |
An oil feedstock (6) is upgraded by hydrocracking and flashing and/or distilling. A distillate fraction (46) boiling in the diesel range is isolated and dewaxed under high pressure by a medium pore molecular sieve. The dewaxed material i...
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WO/2002/038702A1 |
An oil feedstock (6) is upgraded wherein the feedstock is hydrocracked, flashed and/or distilled. The bottoms are then vacuum distilled to adjust viscosity and volatility. The refined feed (30) is then dewaxed under high pressure by a me...
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WO/2002/036718A1 |
The invention relates to a process for forming a low-sulfur motor gasoline and the product made therefrom. In one embodiment, process involves separating a catalytically cracked naphtha into at least a light fraction boiling below about ...
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WO/2002/034865A1 |
A process for producing a refined oil which comprises contacting a feed oil with hydrogen in the presence of a demetallization/desulfurization catalyst (3) and a hydrogenolysis catalyst (5) to thereby obtain a refined oil which has a vis...
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WO/2002/034866A1 |
A process for the production of lube oil basestock wherein a high boiling hydrocarbonaceous feedstock is hydrocracked to produce hydrocarbons boiling in the range of lube oil basestock and the resulting hydrocracker effluent is hot, hydr...
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WO/2002/033027A2 |
A process for concurrently fractionating and hydrotreating of a full range naphtha stream. The full boiling range naphtha stream (1) is subjected to simultaneous hydrodesulfurization and splitting into a light boiling range naphtha (3) a...
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WO/2002/031087A1 |
A hydrocarbonaceous feed is hydroprocessed in a single stage vessel containing two reaction stages represented by (14) and (18) and a stripping stage. The feed is fed into the first reaction stage (14) to produce a vapor and liquid efflu...
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WO/2002/031088A1 |
A diesel fraction is purified by a process having two reaction stages represented by (14) and (18) and a stripping stage in a single vessel. Heteroatoms are removed in the first stage (14), to permit the use of a sulfur sensitive aromati...
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WO/2002/028988A1 |
Sulfur levels in a mercaptan sulfur cotaining hydrocarbon feedstream are decreased by passing the feedstream over a fixed bed catalyst in the presence of a stripping gas under conditions sufficient to decompose at least a portion of the ...
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WO/2002/028989A1 |
The invention concerns a moderate pressure hydrocracking method (that is partial hydrogen pressure higher than 70 bars up to a maximum of 100 bars) with conversion of at least 80 % by volume, of a feedstock having a temperature T¿5? ran...
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WO/2002/026917A1 |
A catalytic hydrocracking process wherein a hydrocarbonaceous feedstock and a liquid recycle stream is contacted with hydrogen in a hydrocracking reaction zone at elevated temperature and pressure to obtain conversion to lower boiling hy...
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WO/2002/026669A1 |
The method of producing high purity isooctane useful as a gasoline blending component from diisobutylene or isooctane contaminated with minor amounts of oxygenated impurities which comprises converting the impurities at conditions of ele...
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WO/2002/020702A1 |
The present invention pertains to a process for reducing the sulfur content of a hydrocarbon feedstock to a value of less than about 200 ppm, comprising optionally subjecting a catalyst comprising a Group VIB metal component, a Group VII...
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WO/2002/010315A1 |
The invention concerns an improved method for hydrocracking of hydrocarbon feedstocks, in two steps with intermediate separation, wherein the second hydrocracking step is carried out in the presence of an added nitrogen content which is ...
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