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Patent Searching and Data


Matches 301 - 350 out of 1,480

Document Document Title
WO/2005/019390A1
Naphtha is desulfurized with reduced or no octane loss by adding four to six carbon atom olefins to a raw naphtha feed to form an olefin-enriched feed, which is catalytically converted to an iso-olefinic naphtha and then selectively hydr...  
WO/2005/019387A1
Naphtha streams, preferably cracked naphtha streams containing both olefinic compounds and mercaptans, are first treated to convert at least a portion of the mercaptans to disulfides followed by thiophene alkylation. This results in a su...  
WO/2005/012463A1
The instant invention relates to a process to produce high octane, low sulfur naphtha products through the removal of basic nitrogen-containing compounds with subsequent skeletal isomerization of feed olefins and hydrotreating.  
WO/2005/009926A2
An integrated Fischer-Tropsch process for production of a synthetic lubricant basestock incorporating light Fischer-Tropsch products by oligomerizing such light Fischer-Tropsch products is provided. Synthetic lubricant basestock produced...  
WO/2005/009926A3
An integrated Fischer-Tropsch process for production of a synthetic lubricant basestock incorporating light Fischer-Tropsch products by oligomerizing such light Fischer-Tropsch products is provided. Synthetic lubricant basestock produced...  
WO/2005/005353A1
A process for oligomerizing a Fischer-Tropsch derived feed containing oxygenates which comprises (a) reducing significantly the oxygenates present in the Fischer-Tropsch derived feed by contacting said feed with a hydrotreating catalyst ...  
WO/2005/005575A1
Process to prepare a waxy Raffinate product by performing the following steps: (a) subjecting a Fischer-Tropsch derived product having a weight ratio of compounds boiling above 540°C and compounds boiling between 370 and 540°C of great...  
WO/2005/003067A2
Process to prepare base oils from a Fischer-Tropsch synthesis product by (a) separating the Fischer-Tropsch synthesis product into a fraction (I) boiling in the middle distillate range and below, a heavy ends fraction (iii) and an interm...  
WO2003044125A3
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...  
WO2004081146A3
A process for the treatment of light naphtha hydrocarbon streams is disclosed wherein the mercaptans contained therein are reacted with diolefins simultaneous with fractionation into a light stream and a heavy stream. The heavy stream is...  
WO2004067486A3
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/2004/099346A1
A process for the extractive oxidation of contaminants from raw hydrocarbon streams rich in heteroatomic polar, compounds is described, the said process involving the extractive oxidation of sulfur and nitrogen compounds from said stream...  
WO2004060794A3
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/2004/094566A1
A process for reducing the aromatic content of a hydrocarbon fluid containing a polycyclic aromatic compound that comprises a transalkylation step and a hydrogenation step.  
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...  
WO/2004/081146A2
A process for the treatment of light naphtha hydrocarbon streams is disclosed wherein the mercaptans contained therein are reacted with diolefins simultaneous with fractionation into a light stream and a heavy stream. The heavy stream is...  
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...  
WO2004065339B1
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/2004/078656A2
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...  
WO2004033587A3
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...  
WO2004033596A3
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.  
WO2004033597A3
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 ...  
WO2003012008A3
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/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...  
WO2003104361A3
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/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 ...  
WO2002077127A3
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...  
WO2003078547A3
A method for converting a hydrocarbonated charge comprising a relatively heavy charge having a boiling temperature of more than 350 DEG C, and a secondary charge which is relatively light having a boiling temperature of less than 320 DEG...  
WO2003078550A3
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/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....  
WO2003040069A3
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 ...  
WO2003054113A3
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/2003/089388A1
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 ...  
WO2003035800A3
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/2003/087267A1
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...  

Matches 301 - 350 out of 1,480