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Patent Searching and Data


Matches 351 - 400 out of 4,381

Document Document Title
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/2003/020843A1
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/2003/020856A1
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...  
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...  
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/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/2002/096837A2
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/2002/096836A2
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/2002/096842A2
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/2002/097010A2
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/2002/096838A1
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...  
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/2002/094747A1
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...  
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...  
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...  
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...  
WO/2002/064532A2
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/2002/044306A1
Fisclosed are a process for producing aromatic hydrocarbon compounds and liquefied petroleum gas (LPG) from a hydrocarbon feedstock having boiling points of 30-250 °C and a catalyst useful therefor. In the presence of said catalyst, aro...  
WO/2002/031089A1
A process for the production of triptane, said process comprising: isomerising a hydrocarbon feedstock by containing said feedstock with an isomerisation catalyst at a reaction temperature of -50 to 25 °C , and a contact time of 0.01 to...  
WO/2002/026667A1
A process for producing a liquid hydrocarbon product from hydrogen and carbon monoxide comprises: (a) providing a reaction vessel containing a slurry of particles of a particulates Fischer Tropsch catalyst in a liquid medium comprising a...  
WO/2002/022258A2
The present invention provides a catalyst for the oxidative dehydrogenation of a lower hydrocarbon to form at least one higher hydrocarbon and/or lower olefin. In one embodiment, the catalyst includes a nonstoichiometric rare earth oxyca...  
WO/2002/020439A1
There is provided an improved system and process for the catalytic hydrogenation of carbon monoxide to form a mixture of hydrocarbons utilizing a plurality of reactors in series. Synthesis gas entering the system under pressure is partia...  
WO/2002/008158A1
Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, along with catalysts which can be used in that process. The naphthene ring opening catalyst is a catalyst which comprises at least one of a Grou...  
WO/2002/008157A1
Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, along with catalysts which can be used in that process. The ring opening is accomplished using a ring opening catalyst system which combines an ...  
WO/2002/007883A2
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/2002/008156A1
Disclosed is a process for opening naphthenic rings of naphthenic ring containing compounds, and catalysts which can be used in that process. The naphthene ring opening catalyst is a polymetallic catalyst comprising Group VIII metals. In...  
WO/2002/008163A1
Methods for converting of syngas to higher molecular weight products using Fischer-Tropsch synthesis, and methods for optimizing the catalyst systems in the synthesis, are disclosed. In one embodiment, the methods use cobalt/ruthenium Fi...  
WO/2002/007877A1
Disclosed is a process for opening naphthenic rings of naphthenic ring-containing compounds, along with catalysts which can be used in that process. The naphthene ring opening catalyst is a catalyst comprising at least one Group VIII met...  
WO/2002/004529A2
A method of removing at least one inert reaction diluent and/or wash diluent from a waste stream from a catalyst precursor production unit, where the waste stream includes at least one reaction diluent or wash solvent, at least one titan...  
WO/2002/002491A1
The invention relates to a method for producing squalene, whereby hydrocarbon-containing intermediate products produced from vegetable oil processing are extracted by means of a compressed gas. The squalene is thereby enriched in the raf...  
WO/2001/094280A1
Fresh catalyst particles are added to a slurry hydrocarbon synthesis reactor and their activity increased by contact with hydrogen in-situ in the slurry in a catalyst activity increasing means, while the reactor is producing hydrocarbons...  
WO/2001/094281A1
Fresh catalyst particles are added to a slurry hydrocarbon synthesis reactor and their activity increased by contact with hydrogen in-situ in the slurry in a catalyst activity increasing means, while the reactor is producing hydrocarbons...  
WO/2001/092155A1
The present invention relates to a new crystalline zeolite SSZ-53 prepared by using phenylcycloalkylmethyl ammonium cations as structure directing agents.  
WO/2001/091901A1
The invention pertains to a catalyst comprising catalyst particles comprising a hydrogenation function and a solid acid, wherein the ratio between (i) the volume in catalyst pores with a diameter of 40 - 8000 nm and (ii) the specific len...  
WO/2001/085653A1
A process for purifying an olefin feed comprising a content of phosphorus-containing impurities, said process comprising contacting said olefin feed with a sorbent selected from the group consisting of an acidic ion exchange resin, an ac...  
WO/2001/081278A1
A process for the production of gasoline stocks wherein lower molecular weight olefins (line 102) are first oligomerized and the oligomers (line 105) hydrogenated is disclosed. In the first instance the oligomerization is carried out in ...  
WO/2001/079380A2
This invention relates to reducing the amount of thiols (mercaptans) in petroleum streams, specifically, mercaptans above the five carbon molecular weight range.  
WO/2001/070394A2
A method of conducting hydrocarbon synthesis and a highly stable cobalt on alumina catalyst therefor. The inventive method comprises the step of reacting a synthesis gas in a slurry bubble column reactor in the presence of the catalyst. ...  
WO/2001/070651A2
A process for polymerizing an olefin to produce liquid poly-olefins using a solid, porous, crystalline oxide type catalyst. The resulting liquid poly-olefins have low viscosity and low volatility and may be used in various functional flu...  
WO/2001/056692A1
The invention is directed to a process for carrying out a chemical reaction in a reactor, comprising passing a reaction mixture in liquid phase through at least one structured reactor element present in said reactor, the internal surface...  
WO/2001/051201A1
Compositions including oxycarbide-based nanorods and/or carbide-based nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-based nanor...  
WO/2001/051203A1
The inventive silica-rich carrier is used for preparing catalysers and can be used for other techniques: for producing fibre-optical materials, filters etc. The carrier has a specific structure which is characterised by a range of announ...  

Matches 351 - 400 out of 4,381