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Matches 301 - 350 out of 1,430

Document Document Title
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...  
WO/2004/078656A2
Embodiments include processes for producing streams containing organic molecules (for example, diesel fuels and diesel fuel blending agents) including ultra-low severity hydrotreatment of at least a portion of a hydrocarbon synthesis pro...  
WO/2004/074407A1
The invention concerns a process for the preparation of detergents containing a relatively low amount of isoparaffins, comprising separating a hydrocarbonaceous product stream from a Fischer-Tropsch process using a cobalt based catalyst ...  
WO/2004/067486A2
The invention provides a process for the preparation of lower olefins by a thermal cracking process, a process for the preparation of a synthetic hydrocarbon feedstock for such a process, and a composition of high performance feedstock u...  
WO/2004/065339A1
The invention relates to a method whereby an initial FCC C5 fraction is used to obtain a final, purified, isoprene-enriched C5 fraction which can be used for the selective polymerisation of isoprene, and a method of obtaining a homopolym...  
WO/2004/060794A2
The present invention relates to new crystalline molecular sieve SSZ-63 prepared using N-cyclodecyl-N-methyl-pyrrolidinium cation as a structure-directing agent, methods for synthesizing SSZ-63 and processes employing SSZ-63 in a catalyst.  
WO/2004/058921A1
The invention concerns a process for the preparation of detergents, comprising separating the hydro carbonaceous product stream from a Fischer-Tropsch, process producing normally liquid and normally solid hydrocarbons into a light fracti...  
WO/2004/056945A1
Enabling a transalkylation process to handle both C10 alkylaromatics and unextracted toluene permits the following improvements to be realized. No longer extracting toluene allows a reformate-splitter column to be eliminated. The extract...  
WO/2004/033596A2
A method to produce high quality lube oil products involving hydrotreating a waxy feed to produce a hydrotreated feed and subsequently hydrodewaxing the hydrofinishing the waxy feed.  
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...  
WO/2004/033597A2
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343°C minus is less than ...  
WO/2004/033606A1
This invention relates to 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 -30C or lower and the meth...  
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 ...  
WO/2004/005437A1
Process for the recovery of an ethylene and propylene containing stream from a cracked gas resulting from cracking a hydrocarbon stream, wherein the cracked gas is treated in an absorptive demethanizer with a C4/C5 solvent at a temperatu...  
WO/2004/003111A1
Systems and processes for the hydrotreatment of pyrolysis gasoline comprising reactors, monolithic catalyst beds and hydrogen-containing treatment gases that allow for improved efficiency and productivity over conventional trickle bed pr...  
WO/2003/104361A2
The invention provides a compression ignition engine fuel derived from a Fischer-Tropsch process, which fuel has a generally increasing iso:n paraffins ratio with increasing paraffin carbon number at least between C9 to C18, less than 0....  
WO/2003/089388A1
A process for upgrading a Fischer-Tropsch feedstock which comprises (a) recovering from a Fischer-Tropsch reactor (4) a Fischer-Tropsch wax fraction (6) and a Fischer-Tropsch condensate fraction (8), wherein the Fischer-Tropsch condensat...  
WO/2003/089548A1
A process for converting a blend of plastic waste and a Fischer-Tropsch waxy fraction into high VI lube oils. A Fischer-Tropsch wax is separated into a 1000°F+ fraction and a 1000°F- fraction. The higher boiling fraction is combined wi...  
WO/2003/089545A1
Provided is a continuous process for converting waste or virgin plastics into lube oils. The plastic feed is maintained in a heater (920) at preferred temperatures of 150°C-350°C. The feed is continuously passed to a pyrolysis reactor ...  
WO/2003/087267A1
A process and apparatus for removing particulate material from a flash zone gas oil stream produced in a delayed coking unit. The process and apparatus of the invention employ cyclonic separation to remove particulate material from the f...  
WO/2003/080769A1
This invention is directed to processes for the conversion of material (1) boiling in the Vacuum Gas Oil boiling to high quality middle distillates and/or naphtha and lighter products, and more particularly to a multiple stage process us...  
WO/2003/078550A2
The invention provides distillate fuel blend components (60) with improved seal swell and lubricity properties obtained from Fischer Tropsch products. The blends contain a highly paraffinic distillate fuel component and distillate-boilin...  
WO/2003/078364A1
The invention relates to a method of producing propylene from, for example, a C4 and/or C5 fraction derived from steam cracking and/or catalytic cracking, preferably comprising both butenes and pentenes. The inventive method comprises at...  
WO/2003/078547A2
A method for converting a hydrocarbonated charge comprising a relatively heavy charge having a boiling temperature of more than 350 °C, and a secondary charge which is relatively light having a boiling temperature of less than 320 °C, ...  
WO/2003/076551A1
A full boiling range naphtha is concurrently fractionated and treated. The full boiling range naphtha streams is first subjected to simultaneous thioetherification and splitting into a light boiling range naphtha, an intermediate boiling...  
WO/2003/076071A1
A process for producing a desulfurization isomerization catalyst for sulfurous hydrocarbon oil, characterized by causing a composition composed of alumina and sulfated zirconia carrying platinum to carry palladium.  
WO/2003/066778A1
The invention concerns a method for desulphurization a cracking or steam cracking effluent of hydrocarbons more particularly of a gasoline for example for catalytic cracking including elimination of thiophene compounds by alkylation of s...  
WO/2003/066777A1
A process for increasing the yield of C10 plus hydrocarbon products from a Fischer-Tropsch plant which comprises the steps of (a) separating a Fischer­- Tropsch product into a wax fraction (12) and a condensate fraction (20); (b) dewaxi...  
WO/2003/064354A1
A Fischer-Tropsch C3-C4 olefin stream is simultaneously dehydrated and isomerized in a reactor (40) to convert alcohols to olefins and 1-butenes to 2-butenes and thereby lower the oxygenate content. Another Fischer-Tropsch fraction is hy...  
WO/2003/064353A1
A Fischer-Tropsch C3-C4 olefin stream is treated to lower the oxygenate content to below 4000 ppm. Another Fischer-Tropsch fraction is hydrotreated and hydrocracked to provide an isobutane-containing stream. The treated C3-C4 olefin stre...  
WO/2003/064022A1
A process for upgrading at least one of a Fischer-Tropsch naphtha (21) and a Fischer-Tropsch distillate (22) to produce at least one of a gasoline component (30), a distillate fuel or a lube base feedstock component (32). The process inc...  
WO/2003/054113A2
A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas, in a hydrocarbon synthesis reactor, also hydroisomerizes the synthesized hydrocarbons in one or more external downcomer react...  
WO/2003/044125A2
A process is provided to produce a dilute ethylene stream and a dilute propylene stream to be used as feedstocks for producing olefin-based derivatives. Specifically, the dilute ethylene stream is used as a feedstock to produce ethylbenz...  
WO/2003/040069A2
A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from sythesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbons in one or more external lift reactor hydroisomerizing ...  
WO/2003/035800A2
A product of reduced sulfur content is produced from an olefin-containing hydrocarbon feedstock which includes sulfur-containing impurities. The feedstock is contacted with an olefin-modification catalyst in a reaction zone under conditi...  
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/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/2003/012008A2
A process for producing a clean wax product includes contacting, at an elevated temperature between 180°C and 250°C and at an elevated pressure between 10 bar and 40 bar, a synthesis gas comprising hydrogen and carbon monoxide with a c...  
WO/2003/004584A1
The method comprises the following steps: fractionation of the paraffinic product from a Fischer-Tropsch synthesis into at least three fractions, one intermediate fraction boiling between T1 and T2, with T1 between 120 and 200 °C and T2...  
WO/2002/094746A1
Process for the preparation of a mixture comprising C¿5?+ linear olefins, which process comprises the steps of (a) reacting carbon monoxide and hydrogen in the presence of an effective amount of Fischer-Tropsch catalyst under Fischer-Tr...  
WO/2002/092729A1
The present invention relates to poly $g(a)-olefins (PAO's) which exhibit superior Noack volatility at low pour points. Mixtures of 1-decene and 1-dodecene are polymerized using an alcohol pronoted BF¿3? in conjunction with a combinatio...  
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/2002/077127A2
A process for producing a diesel fuel stock from bitumen uses steam, naphtha and a hydroisomerized diesel fraction produced by a gas conversion process, to respectively (i) stimulate the bitumen production, (ii) dilute it for pipeline tr...  
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/2002/072739A1
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/2002/064707A2
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...  
WO/2002/062926A2
Economical processes are disclosed for the production of components for refinery blending of transportation fuels by selective oxidation of feedstocks comprising a mixture of hydrocarbons, sulfur-containing and nitrogen-containing organi...  
WO/2002/053685A1
A method of removing low boiling sulfur compounds from naphtha boiling range streams. The naphtha boiling range stream is contacted with a high silica zeolite at effective conditions to convert lower boiling sulfur compounds to higher bo...  
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...  

Matches 301 - 350 out of 1,430