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JP2006509899A |
This invention relates to lubricants comprising base stocks and base oils that exhibit an unexpected combination of high viscosity index (130 or greater) and a ratio of measured-to-theoretical high-shear/low-temperature viscosity at -30 ...
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JP2006509091A |
Process to prepare a base oil having a viscosity index of between 80 and 140 starting from a distillate or a de-asphalted oil by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurization catalyst com...
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JP2006509090A |
Process to prepare a lubricant having a dynamic viscosity at -35° C. of below 5000 cP by performing the following steps: a) contacting a feed containing more than 50 wt % wax in the presence of hydrogen with a catalyst comprising a Grou...
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JP2006506484A |
A method for hydroisomerizing a waxy feed to favor one of VI or yield is described. The method uses a unitized pellet powder catalyst comprising a metal hydrogeneration component, a first catalytic component selected from 8, 10 and 12 ri...
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JP2006505403A |
Silica-alumina catalyst compositions and to a process for converting hydrocarbonaceous feed using the catalyst are disclosed. The present invention relates to a highly homogeneous, amorphous silica-alumina cogel material, the attributes ...
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JP2006502293A |
A waxy hydrocarbon feed is catalytically dewaxed with a catalyst that has been selectively activated. The selective activation of the catalyst involves contacting the dewaxing catalyst with a feed mixture containing waxy hydrocarbon and ...
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JP2006502299A |
A waxy hydrocarbon feed is catalytically treated with a dewaxing catalyst that has been selectively activated. The selective activation of the catalyst involves treating the catalyst with at least one oxygenate. The selectively activated...
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JP2006502307A |
An integrated process is disclosed for dewaxing hydrocarbon feedstocks in a sour environment. The process includes hydrotreating, dewaxing, hydrofinishing or combination thereof wherein there is no disengagement between any of the proces...
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JP2006502295A |
The present invention relates to a process for converting wax with a heavy component to high quality lube basestocks using a unidimensional intermediate pore molecular sieve with near circular pore structures having an average diameter o...
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JP3713222B2 |
To provide a method of manufacturing a metal-containing binary catalyst for dewaxing which is capable of effectively isomerizing a hydrocarbon having greater carbon atoms of wax, etc. This method of manufacturing the metal/Al-MCM-41 bina...
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JP3677039B2 |
A bottoms fraction of fuels hydrocracking which boils above about 600 DEG F. and contains at least 10 wt. % aromatics is converted to a reduced aromatics lube/base stock product over a catalyst comprising a crystalline material which exh...
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JP3669703B2 |
PCT No. PCT/EP95/00860 Sec. 371 Date Jan. 27, 1997 Sec. 102(e) Date Jan. 27, 1997 PCT Filed Mar. 8, 1995 PCT Pub. No. WO95/29213 PCT Pub. Date Nov. 2, 1995The invention relates to a novel wax and also to a process for preparing the wax w...
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JP3651951B2 |
PURPOSE: To provide a preparation process for a lubricating base oil having an extremely high viscosity index. CONSTITUTION: A process for the preparation of a lubricating base oil comprises subjecting a waxy raffinate to a pour point re...
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JP2005509058A |
Facilities to convert natural gas into syncrude often are located at remote sites. At these sites and in their surrounding communities there exists demand for salable products: gasoline, distillate fuels, solvents, lubricants, etc. While...
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JP3628023B2 |
This invention discloses a process for producing a high Viscosity Index lubricant having a viscosity of at least 125 from a waxy hydrocarbon feed having a wax content of at least 40 wt.%. The process comprises catalytically dewaxing waxy...
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JP3586465B2 |
A process for solvent dewaxing a waxy oil feed to obtain petroleum oil lubricating stock comprising the steps of contacting a warm waxy oil feed by indirect heat exchange first with cold filtrate, then with refrigerant to crystallize and...
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JP3581198B2 |
The present invention is directed to an improved isomerization process employing a catalyst wherein the catalyst comprises a pair of catalyst particles of different acidity utilized either as distinct beds of such discrete particles or a...
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JP2004529251A |
A 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 having nickel and tungsten on an acid amorphous si...
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JP2004528426A |
A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms i...
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JP2004528427A |
The invention is directed to a base oil having a saturates content of above 97 wt%, a kinematic viscosity at 100 °C of between 8 and 12 cSt, a pour point of below -30 °C and a viscosity index of above 120, to its use as white oil in me...
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JP2004523455A |
The invention relates to a novel microporous crystalline material ITQ-19 used in the catalytic conversion of organic compounds, such as, for example, the dewaxing and isodewaxing of paraffins and the disproportionation of toluene. Said m...
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JP2004522848A |
A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms i...
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JP2004518011A |
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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JP2004515601A |
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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JP2004515634A |
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 hy...
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JP2004515638A |
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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JP2004514020A |
A process for producing a basic lubricating oil material and a basic raw material for lubricating oil produced by the process are disclosed. The method converts light hydrocarbon raw materials into syngas, the synthetic gas into hydrocar...
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JP2004514019A |
A process for upgrading oil feedstock wherein the feedstock is hydrocracked, flashed and/or distilled. The bottoms are then vacuum distilled to adjust viscosity and volatility. The refined feed is then dewaxed under high pressure by a me...
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JP2003531008A |
The invention is a process for producing a mixture of wax and crude oil which can be pumped at ambient temperature. The wax is preferably a Fisher-Tropsch wax. The temperature of the crude oil is controlled to a level below the dissoluti...
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JP2003531273A |
The invention is a process for producing a mixture of Fischer-Tropsch product that is solid at ambient conditions (between 32° F. and 95° F.), such as wax, and hydrocarbon liquid, such as naphtha, that can be pumped at ambient temperat...
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JP2003529665A |
A novel process for forming hydrocarbon waxes from synthesis gas is disclosed. This invention teaches a process whereby a Fischer-Tropsch wax can be formulated such that the wax softness as defined by ASTM Standard Test Method for Needle...
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JP2003522250A |
During catalytic dewaxing of paraffinic hydrocarbons, the exothermic catalytic dewaxing reaction is moderated by separating and cooling a heavy dewaxate having an initial boiling point of at least 800 DEG F+, and recycling it back into t...
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JP3427264B2 |
To provide a method for transporting naphtha through a pipeline which is mainly used for transporting crude oil. A lot containing naphtha is transported through a pipeline, while being sandwiched between a head lot containing condensed l...
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JP2003520867A |
The invention concerns a novel hydrocarbon base oil for lubricants, having a viscosity index not less than 130, comprising mainly long isoparaffinic hydrocarbon chains, branched over several carbon atoms. The invention is characterized i...
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JP3415075B2 |
To remove and recover the impurities coming from casting molds at a high level by dissolving and dispersing waste wax compounds into an organic solvent, separating crude regeneration fillers, pickling the crude regeneration fillers in a ...
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JP2003516922A |
The present invention relates to new crystalline zeolite SSZ-50 prepared using a quaternary ammonium cation templating agent having the structurewhere X- is an anion which is not detrimental to the formation of the SSZ-50. SSZ-50 is usef...
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JP2003516464A |
A process for upgrading a hydrocarbon oil is provided which comprises introducing the oil and an aromatic extraction solvent containing 0.1 to 10 vol % water into an extraction zone for contact of the oil and solvent therein whereby an e...
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JP2003505234A |
Method for impregnating a Group VIII metal on a molecular sieve-binder extrudate wherein the binder comprises a low acidity refractory oxide binder material, which is essentially free of alumina, by a) contacting the molecular sieve-bind...
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JP2003505575A |
A method for concentrating the amount of alkylated mono-aromatics in a lubricating oil feedstock useful as a feedstock for sulfonation. The method comprises extracting a feedstock rich in aromatics with a solvent selected from NMP, pheno...
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JP2003003176A |
To obtain a dewaxing auxiliary, having an effect on a light or heavy wax hydrocarbon oil in a self-cooling type dewaxing method using a lower hydrocarbon solvent, capable of dewaxing without using an alkyl naphthalene condensate or a vin...
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JP2002542929A |
There is provided a zeolite bound zeolite catalyst which does not contain significant amount of non-zeolitic binder and can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeo...
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JP2002537309A |
The present invention relates to a mixture of plant-treatment agents and one or more waxes which are characterised by an acid value of 0-200 and a viscosity of 5 mPas (at 100 DEG C) to 30,000 mPas (at 140 DEG C). The volatility of active...
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JP3338524B2 |
PURPOSE: To efficiently run a dewaxing unit while attaining improvements in yield and filtering characteristics, by enabling the compsn. of solvents to be changed in line with a stock oil according to a simple method. CONSTITUTION: Pipin...
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JP2002530470A5 |
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JP2002530471A |
Process for the catalytic dewaxing of a hydrocarbon oil feed including waxy molecules and more than 500 ppmw of sulphur or sulphur containing compounds by contacting the oil feed under catalytic dewaxing conditions with a catalyst compos...
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JP2002530470A |
The invention relates to a process for the catalytic dewaxing of a hydrocarbon feed containing waxy molecules by contacting the hydrocarbon feed under catalytic dewaxing conditions with a catalyst composition having metallosilicate cryst...
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JP2002528368A |
The invention deals with a microporous crystalline material, with a characteristic X-ray diffractogram, comprised of oxygen tetrahedra and a metal (T<+4> and T<+3>) with the possibility of introducing surface acidity produced by the subs...
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JP2002523553A |
A process for distilling paraffinic hydrocarbons comprises feeding a Fischer-Tropsh derived paraffinic hydrocarbon feedstock comprising heavy paraffinic hydrocarbons and, optionally, light and/or medium paraffinic hydrocarbons, into a di...
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JP2002517170A |
Hydrocarbon dewaxing using propane or other autorefrigerative dewaxing solvent can be practiced in a centrifuge wherein the centrifugal force generated in the centrifuge produces a pressure gradient permitting dewaxing to be practiced on...
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JP2002097477A |
To develop a dewaxing method which uses a chlorine-free dewaxing auxiliary effective for all types (light type, heavy type, and bright stock) of wax-containing hydrocarbon oils in the solvent dewaxing method.This dewaxing method uses a r...
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