| Document |
Document Title |
|
WO/2003/044132A1 |
The invention concerns a method for hydrotreating of a hydrocarbon feedstock, comprising at least two steps with intermediate stripping of the effluent of the first step with pressurized hydrogen substantially free of unwanted impurities...
|
|
WO/2003/033622A1 |
The present invention discloses a process for producing a low haze heavy base oil including the steps of: (a) providing a heavy waxy feed stream having an initial boiling point greater than 900 °F. and having a paraffin content of at le...
|
|
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/2003/025096A1 |
A method for reducing the sulfur content of a hydrocarbon stock containing sulfur, which comprises admixing a hydrocarbon stock containing sulfur with steam, and contacting the resulting admixture with a desulfurization chemical and a ca...
|
|
WO/2003/014266A1 |
A process for removing sulfur from hydrocarbon streams is described. The organic sulfur compounds are first oxidized to create oxidized sulfur in the hydrocarbon stream and then processing the hydrocarbon stream with hydrogen at hydrodes...
|
|
WO/2003/012276A2 |
Economical processes are disclosed for the production of fuels of reduced sulfur content from a feedstock, typically derived from natural petroleum, wherein the feedstock is comprised of limited amounts of sulfur-containing organic compo...
|
|
WO/2003/012010A2 |
Economical processes are disclosed for the production of fuels of reduced sulfur content from a feedstock, typically derived from natural petroleum, wherein the feedstock is comprised of limited amounts of sulfur-containing organic compo...
|
|
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/2002/099014A2 |
Process to prepare a base oil starting from a slack wax containing feedstock by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurisation catalyst comprising nickel and tungsten on an acid amorphous ...
|
|
WO/2002/097006A2 |
Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compound...
|
|
WO/2002/094426A2 |
A process is disclosed for preparing a finished fuel product from a stabilized product mixture, which is produced from the effluent of a Fischer-Tropsch synthesis process. In the process, a Fischer-Tropsch synthesis process is conducted ...
|
|
WO/2002/092730A1 |
A four stage process for producing high quality white oils, particularly food or medicinal grade mineral oils from mineral oil distillates. The first reaction stage employs a sulfur resistant hydrotreating catalyst and produces a product...
|
|
WO/2002/092543A1 |
An integrated process for producing a hydrocarbon stream including C¿5-20? normal and iso-paraffins is disclosed. A de-sulfurized methane-rich stream and a natural gas condensate are isolated from the natural gas source. The methane-con...
|
|
WO/2002/081594A1 |
Heavy oil containing not greater than 12 wt% of hydrogen as a raw material oil is subjected to solvent extraction, so that the hydrogen content increases by 0.2 wt% or more with respect to the raw material oil. After this, hydrotreating ...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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...
|
|
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 ...
|
|
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...
|
|
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...
|
|
WO/2002/068568A2 |
A membrane process for the removal of sulfur species from a naphtha feed, in particular, a FCC light cat naphtha, without a substantial loss of olefin yield is disclosed. The process involves contacting a naphtha feed stream with a membr...
|
|
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/2002/062925A2 |
Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compound...
|
|
WO/2002/062927A2 |
Economical processes are disclosed for the production of component for refinery blending of transportation fuels by selective oxidation of feedstocks comprising a mixture of hydrocarbons, sulfur-containing and nitrogen-containing organic...
|
|
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/2002/059235A1 |
A slurry hydroprocessing process (SHP) where a hydrocarbon feedstock is treated at slurry hydrotreating conditions, in the presence of a hydrogen containing treat gas and in the presence of a supported metallic catalyst which is a suppor...
|
|
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...
|
|
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/2002/046333A2 |
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...
|
|
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...
|
|
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 ...
|
|
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...
|
|
WO/2002/008361A1 |
A process to regenerate metal oxide desulfurization sorbents using hydrogen gas. The sorbents may be mono- or multi-metallic in nature, and preferably comprise Ni and/or Co. If desired, secondary metals may be incorporated to increase re...
|
|
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/2001/098239A1 |
Methods for separating olefins from non-olefins, such as paraffins, including cycloparaffins, oxygenates and aromatics, are provided. The methods use metal salts to complex olefins, allowing the non-olefins to be separated by a variety o...
|
|
WO/2001/094502A1 |
The invention relates to naphtha hydrodesulfurization incorporating either high temperature depressurization or controlled heating for mercaptan removal. More particularly, the invention relates to a naphtha hydrodesulfurization process,...
|
|
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 ...
|
|
WO/2001/081508A1 |
The invention concerns an improved method for making very high quality oil bases optionally with simultaneous production of high quality middle distillates, comprising hydrotreating, hydrocracking preferably on Y or beta zeolite, topping...
|
|
WO/2001/079384A1 |
The invention describes a method for preparing a low sulfur motor gasoline utilizing ethanol and caustic extraction.
|
|
WO/2001/079391A1 |
A gasoline blendstock is produced having a decreased amount of sulfur by first selectively hydrodesulfurizing a cracked naphtha that contains both non-mercaptan and mercaptan sulfur to produce a first product having a decreased amount of...
|
|
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...
|
|
WO/2001/072931A1 |
Freshly picked plant material of Halopetalea Integrifolia is suspended in water containing Citric Acid, Sodium Chloride, Aluminium Silicate, Zinc Sulphate and Copper Sulphate. This mixture is allowed to stand for about seventy-two hours....
|
