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Patent Searching and Data


Matches 401 - 450 out of 4,612

Document Document Title
WO/2003/064356A1
There is provided a process for hydrocarbon synthesis wherein a supported metal catalyst for hydrogenating carbon monoxide to form a mixture of hydrocarbons is regenerated by decresing its hydrocarbon content, impregnating under a non−...  
WO/2003/064033A1
There is provided a process for renewing the activity of used, supported metal catalysts for the hydrogenation of carbon monoxide to form a mixture of hydrocarbons comprising decreasing the hydrocarbon content of the catalyst, impregnati...  
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...  
WO2003018182A3
Improved methods for conduction solid acid-catalyzed, near- or supercritical heterogeneous chemical reactions (e.g., alkylation reactions) are provided which give enhanced product yields and permit longer processing runs. The preferred r...  
WO/2003/062178A1
A process is disclosed for preparing a C¿4? stream for feeding to an alkylation process which reacts isobutane with butene to produce isooctane. The C¿4? stream is treated in a first distillation column reactor to remove dienes and mer...  
WO2003019068A8
It is required to provide a gas hydrate dewatering device which performs dewatering and produces a gas hydrate with a low proportion of included water (40f) continuously at high efficiency, under conditions in which the gas hydrate is no...  
WO/2003/055583A2
Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous struct...  
WO2002096836A3
A process for converting synthesis gas to higher hydrocarbons, at an elevated temperature and pressure, comprising continuously introducing a synthesis gas feed stream comprising 0.1 to 50 % by volume of carbon dioxide into a continuous ...  
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...  
WO2002096834A3
A method of starting up a Fischer-Tropsch reaction in a system comprising at least one high shear mixing zone and a reactor vessel which method comprises a) passing a suspension of a particulate Fischer-Tropsch catalyst in a liquid mediu...  
WO/2003/041852A1
A channel geometry for monolith and honeycomb catalysts used in two- and three-phase catalytic reactions or gas-liquid mass transfer processes features a desirable channel shape that enhances liquid/structure contacting efficiency and ga...  
WO/2003/040067A2
A slurry Fischer-Tropsch hydrocarbon synthesis process for synthesizing liquid hydrocarbons from synthesis gas in a synthesis reactor also hydroisomerizes the synthesized hydrocarbon liquid, which comprises the slurry liquid, in one or m...  
WO/2003/040261A2
The present invention provides an upgraded synthetic gasoline having a true boiling point (TBP) range of between 50°C-300°C, a sulphur content of less than 1ppm, a nitrogen content of less than 1ppm, an aromatics content of between 0.0...  
WO2002096837A3
A process for the conversion of synthesis gas to hydrocarbons by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprising a solid particulate catalyst suspended in a liquid medium, which contactin...  
WO/2003/037835A2
The invention relates to a method for eliminating polarizable impurities from hydrocarbons and hydrocarbon mixtures by using ionic liquids as an extraction medium, in order to reduce the degree of impurity of the hydrocarbon or hydrocarb...  
WO2002097010A3
A process for the conversion of synthesis gas to hydrocarbons, at least a portion of which are liquid at ambient temperature and pressure, by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprisi...  
WO/2003/024605A2
In an undersea system, an aqueous liquid stream (14) is used to separate carbon dioxide (CO2) from hydrocarbon asset (10). The carbon dioxide is subsequently disposed in the sea (18) or underground (20).  
WO/2003/024902A1
The invention concerns a method for $g(a)-olefin trimerization comprising a number of carbon atoms not less than 3, by transforming an $g(a)-olefin or a hydrocarbon mixture containing $g(a)-olefins, at temperatures ranging between 0 and ...  
WO/2003/026048A1
The invention concerns a method for preparing an organic gel metal-doped or not comprising a mixture in a solvent of an hydroxylated benzene with an aldehyde to form a gel whereof the texture is regulated by adjusting the pH of the start...  
WO/2003/024904A1
A method for removing CO¿2? from a gas stream, including methane and CO¿2?. The method includes contacting a gas stream with an aqueous stream, so that at least a portion of the CO¿2? in the gas stream is dissolved into the aqueous st...  
WO/2003/020843A1
The present invention provides homogeneous mixtures of saturated hydrocarbons and tetrahydrocarbylphosphonium salt ionic liquids. The present invention further provides a process for expelling a hydrocarbon, preferably a saturated hydroc...  
WO/2003/020668A1
A process for the production of triptane, comprises: providing a hydrocarbon feedstock comprising at least 1 vol % of at least one cyclic hydrocarbon comprising a C¿5? and/or C¿6? ring; pre-treating the hydrocarbon feedstock by contact...  
WO/2003/020420A1
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4...  
WO/2003/020856A1
One or more oligomers of an olefin are prepared in the presence of a single-site catalyst. Preferably, the olefin is an $g(a)-olefin, and the oligomers are a poly-alpha-olefin (PAO). The PAO so prepared is completely or substantially fre...  
WO/2003/018182A2
Improved methods for conduction solid acid-catalyzed, near- or supercritical heterogeneous chemical reactions (e.g., alkylation reactions) are provided which give enhanced product yields and permit longer processing runs. The preferred r...  
WO/2003/019068A2
It is required to provide a gas hydrate dewatering device which performs dewatering and produces a gas hydrate with a low proportion of included water (40f) continuously at high efficiency, under conditions in which the gas hydrate is no...  
WO2002088148B1
The ability to design and construct solid-state materials with pre-determined structures is a grand challenge in chemistry. An inventive strategy based on reticulating metal ions and organic carboxylate links into extended networks has b...  
WO/2003/006577A2
A hydrocarbon wax product from a HCS slurry comprising liquid synthesis product and catalyst particles is purified by circulating the slurry from a synthesis zone with a first temperature through a treatment zone with a second temperatur...  
WO/2003/006149A1
A catalytic reactor (40) comprises a plurality of sheets (42) defining flow channels (44) between them. Within each flow channel (44) is a foil (46) of corrugated material whose surfaces are coated with catalytic material apart from wher...  
WO2002064532A3
A process for preparing branched olefins which process comprises dehydrogenating an isoparaffinic composition comprising 0.5 % or less quaternary aliphatic carbon atoms over a suitable catalyst, which isoparaffinic composition comprises ...  
WO/2002/100808A2
The present invention relates to a continuous alkylation process wherein an alkylatable compound is reacted with an alkylation agent in the presence of a solid acid alkylation catalyst to form an alkylate and wherein the catalyst is rege...  
WO/2002/100807A1
The present invention relates to a process for the catalytic alkylation of hydrocarbons comprising (i) reacting an alkylatable compound with an alkylation agent over a solid acid alkylation catalyst to form an alkylate, and (ii) regenera...  
WO/2002/098925A2
The invention relates to a method for the transfer of hydrogen to chemical compounds, whereby the hydrogen transfer is carried out in supercritical or subcritical phases by using stabilised and dispersed metal particles. The invention fu...  
WO/2002/097010A2
A process for the conversion of synthesis gas to hydrocarbons, at least a portion of which are liquid at ambient temperature and pressure, by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprisi...  
WO/2002/096836A2
A process for converting synthesis gas to higher hydrocarbons, at an elevated temperature and pressure, comprising continuously introducing a synthesis gas feed stream comprising 0.1 to 50 % by volume of carbon dioxide into a continuous ...  
WO/2002/096834A2
A method of starting up a Fischer-Tropsch reaction in a system comprising at least one high shear mixing zone and a reactor vessel which method comprises a) passing a suspension of a particulate Fischer-Tropsch catalyst in a liquid mediu...  
WO/2002/096837A2
A process for the conversion of synthesis gas to hydrocarbons by contacting the synthesis gas at an elevated temperature and pressure with a suspension comprising a solid particulate catalyst suspended in a liquid medium, which contactin...  
WO/2002/096842A2
The invention relates to a novel and completely synthetic microcrystalline paraffin, said paraffin being obtained in a simple manner and with a high yield by the catalytic hydromerisation of paraffin FT comprising 20 to 105 carbon atoms....  
WO/2002/096838A1
A process for the conversion of natural gas to higher hydrocarbons in a system comprising (1) a synthesis gas production unit and (2) a Fischer-Tropsch synthesis unit comprising at least one high shear mixing zone and a reactor vessel wh...  
WO2002074718A3
The invention relates to a method for separating close-boiling homo and heteroazeotropic mixtures using ionic liquids. The method is superior to conventional extractive rectification in terms of cost-effectiveness and exergetic aspects a...  
WO/2002/094747A1
At least one isoparaffin with 4-6 carbon atoms per molecule is reacted in the presence of a catalyst with at least one olefin with 2-6 atoms per molecule in a liquid phase to form an alkylate. The isoparaffin and a suspension containing ...  
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...  
WO2002070440A8
A continuous or semi-continuous process for the production of triptane and/or triptene from methanol and/or dimethyl ether in the presence in a reactor of an effective concentration of catalyst active for the conversion of methanol and/o...  
WO/2002/088148A1
The ability to design and construct solid-state materials with pre-determined structures is a grand challenge in chemistry. An inventive strategy based on reticulating metal ions and organic carboxylate links into extended networks has b...  
WO2002007883A3
A method of treating an untreated catalyst support includes contacting an untreated catalyst support which is partially soluble in an aqueous acid and/or a neutral aqueous solution with a modifying component precursor of the formula Me(O...  
WO/2002/079128A1
Three-phase chemical hydrogenation reactions involving the processing of gas-liquid reactant feed streams (14) over 'mini-structured' solid catalyst beds (12) formed e.g., of channeled honeycomb monoliths (18) incorporating solid catalys...  
WO/2002/076600A1
A process for rejuvenating reversibly deactivated catalyst particles in a three-phase slurry body (22) of gas bubbles and catalyst particles in a slurry liquid, includes passing slurry from the top down to the bottom of the body through ...  
WO/2002/074718A2
The invention relates to a method for separating close-boiling homo and heteroazeotropic mixtures using ionic liquids. The method is superior to conventional extractive rectification in terms of cost-effectiveness and exergetic aspects a...  
WO2000013788A3
The objective of the present invention is a polyvalent bifunctional catalyst and the process of its realisation. A catalyst characterized by the fact that it contains, over a TiO2 support, an oxide or a mixture of metallic oxides of MO2 ...  
WO/2002/070440A1
A continuous or semi-continuous process for the production of triptane and/or triptene from methanol and/or dimethyl ether in the presence in a reactor of an effective concentration of catalyst active for the conversion of methanol and/o...  

Matches 401 - 450 out of 4,612