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WO/2005/042144A2 |
The invention is directed to a method of making a small crystal SSZ-32 zeolite, known as SSZ-32X. The catalyst is suitable for use in a process whereby a feed including straight chain and slightly branched paraffins having 10 or more car...
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WO/2004/081154A2 |
A method for producing lubricant base oils is provided comprising the steps of: (a) separating a feedstock into a light lubricant base oil fraction and a heavy fraction; (b) hydroisomerizing the fractions over a medium pore size molecula...
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WO/2004/081153A2 |
A method for producing lubricant base oils is provided comprising the steps of: (a) hydroisomerizing a feedstock over a medium pore size molecular sieve catalyst under hydroisomerization conditions to produce an isomerized product having...
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WO/2004/033587A2 |
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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WO/2004/022675A1 |
A process for preparing Fischer-Tropsch derived lubricating base oils by blending a Fischer-Tropsch distillate fraction having a viscosity of 2 or greater but less than 3 cSt at 100 degrees C with at least one additional Fischer-Tropsch ...
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WO/2004/009739A2 |
Process to prepare a microcrystalline wax and a middle distillate fuel 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 l...
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WO/2004/009738A1 |
Silicon rubber composition comprising a hydrocarbon extender oil, wherein the oil is a Fischer-Tropsch derived oil. Process to prepare a silicon rubber extender oil having a CN number as measured according to IEC 590 of between 15 and 30...
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WO/2004/007647A1 |
Process to prepare a heavy and a light lubricating base oil from a partly isomerised Fischer-Tropsch derived feedstock (1), said feedstock having an initial boiling point of below 400 °C and a final boiling point of above 600 °C by (a)...
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WO/2003/074578A1 |
The invention relates to copolymers which are suitable for producing additives for solvent deparaffination of paraffin-containing mineral oil distillates and which consist of radically polymerized monomers of formulas A and B, wherein th...
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WO/2003/070858A1 |
A dewaxing aid consisting of a mixture of at least two polyalkyl (meth)acrylates which brings about a heat build−up initiation temperature within a specific range as determined by adding the aid together with a waxy hydrocarbon oil to ...
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WO/2003/042140A1 |
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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WO/2003/040266A1 |
There is provided with a process for separating normal paraffins from hydrocarbons of C5-10 using zeolite molecular sieve 5A, which comprises the steps of (a) selective adsorption (b) cocurrent purge (c) countercurrent desorption. The pr...
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WO/2003/006369A1 |
The prsent invention relates to new crystalline zeolite SSZ-60 prepared using a N-ethyl-N-(3,3,5-trimethylcyclohexyl)pyrrolidinium cation or N-ethyl-N-(2,4,4-trimethylcyclopentyl)pyrrolidinium templating agent, and processes employing SS...
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WO/2002/102941A2 |
Process to prepare a microcrystalline wax by contacting under hydroisomerisation conditions a feed, comprising at least 80 wt % of normal-paraffins and having a congealing point of above 60 °C, with a catalyst comprising a noble metal a...
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WO/2002/100986A1 |
A dewaxing additive for mineral oils which comprises a polymer (A) comprising units derived from a (C¿1-16? alkyl) methacrylate (a) and units derived from a (C¿18-22? alkyl) acrylate (b), the total amount of the units (a) and (b) being...
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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 ...
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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/2002/081596A1 |
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/2002/070636A1 |
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/2002/070631A2 |
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/2002/060815A1 |
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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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/2002/057394A1 |
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...
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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/2002/046333A2 |
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/2002/038703A1 |
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...
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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/2001/081503A2 |
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 temperatur...
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WO/2001/081504A2 |
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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WO/2001/074971A2 |
A wax blending process is disclosed which retains the desirable properties of a Fischer-Tropsch wax, while adjusting the hardness of the wax to within a desired range. The invention utilizes a synergistic effect between hard virgin Fisch...
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WO/2001/074969A2 |
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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WO/2001/070654A1 |
A method and system for separation of hydrocarbon oils from waxy feedstock comprising applying ultrasonic energy to a mixture of wax and solvent while crystallizing wax crystals by cooling. During cooling enough heat is removed to compen...
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WO/2001/057158A1 |
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 °F+, and recycling it back into the...
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WO/2001/057159A1 |
The present invention is a process for producing a high viscosity index and low pour point lubricating oil base stock which comprises catalytically converting a hydrotreated hydrocarbon lube oil feedstock containing waxy paraffins in the...
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WO/2001/044109A1 |
The present invention relates to new crystalline zeolite SSZ-50 prepared using a quaternary ammonium cation templating agent having structure (A) where X- is an anyon which is not detrimental to the formation of the SSZ-50. SSZ-50 is use...
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WO/2001/042395A1 |
An extraction zone (10) is shown having a feed inlet (14) for introducing a lube oil feedstock such as a distillate feed, an aromatic extraction solvent inlet (16), an extract outlet (18) and a raffinate outlet (20).
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WO/2001/018156A1 |
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 characterised i...
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WO/2001/007538A1 |
Process for preparing a lubricating base oil by contacting a synthetic waxes, which wax is obtained by a Fischer-Tropsch process and has not been subjected to a hydroisomerisation treatment, with a catalyst composition comprising at leas...
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WO/2001/007158A1 |
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-bi...
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WO/2001/007537A1 |
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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WO/2000/071639A1 |
The feed (8) to vacuum pipe still (10) is an atmospheric reduced crude. Various distillate cuts shown as (12) light, (14) (medium) and (16) heavy may be sent to solvent extract unit (30) via line (18). The bottoms from vacuum pipe still ...
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WO/2000/071645A1 |
The process is drawn to producing a lubricating oil basestock having at least 90 wt % saturates and a VI of at least 105 in unit (42) then the hydroconverted raffinate is conducted through line (46) to heat exchanger (48).
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WO/2000/071619A1 |
Chemical additive comprising selected surfactants, dispersants, and degreasers that liquefy, disperse, demulsify, degrease, inhibit corrosion and scale formation, lower pour-point/cloud-point of petroleum, coal, Fischer-Tropsch synthesiz...
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WO/2000/066263A1 |
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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WO/2000/049107A1 |
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° C) to 30,000 mPas (at 140° C). The volatility of active sub...
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WO/2000/029511A1 |
Process for the catalytic dewaxing of a hydrocarbon feed comprising waxy molecules by contacting the hydrocarbon feed under catalytic dewaxing conditions with a catalyst composition comprising metallosilicate crystallites, a binder and a...
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