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WO/2003/062178 |
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...
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WO/2003/062352 |
Method for the preparation of lower olefines by steam cracking, wherein the feed comprises heavy hydrocarbons obtained by Fischer-Tropsch synthesis are subjected to steam cracking in a naphtha designed steam cracking furnace for steam cr...
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WO/2003/059851 |
Provided is a process for converting methane at a remote natural gas site into ethylene and other products. Methane is converted into syngas which is converted into a low−sulfur liquid hydrocarbon mixture containing less than 1 ppm sul...
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WO/2003/053849 |
Porous hexagonal, cubic, lamellar, wormhole, or cellular foam aluminosilicates, gallosilicates and titanosilicates derived from protozeolitic seeds or zeolite fragments using an organic porogen directing agent are described. The porous a...
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WO/2003/051510 |
The granular, shape-selective zeolite catalyst used as a bulk material in a reactor for producing lower olefins on the basis of a mixture of higher olefins has to be decoked from time to time. For this purpose, the reactor is scavenged w...
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WO/2003/044125 |
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...
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WO/2003/040261 |
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...
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WO/2003/006370 |
The present invention relates to new crystalline zeolite SSZ-58 prepared using a N-butyl-N-cyclooctylpyrrolidinium cation or N-propyl-cyclooctylpyrrolidinium cation templating agent, and processes employing SSZ-58 in a catalyst.
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WO/2003/006369 |
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/2002/096804 |
Disclosed are processes for the recovery and purification of higher diamondoids from a hydrocarbonaceous feedstock. Specifically disclosed is a multi-step recovery process for obtaining diamondoid compositions enhanced in tetramantane co...
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WO/2002/085623 |
A pyrolysis heater particularly for the cracking of hydrocarbons in the production of olefins has a burner arrangement in the firebox which directly heats the hearth of the firebox such that it becomes a radiant surface. The base burners...
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WO/2002/081595 |
Dialkyl polysulfides can be added to hydrocarbon gas fed streams for alkene steam crackers for the petrochemical industry. The polysulfides act as sulfiding agents for surfaces of the steam crackers and thereby reduce coking and CO gener...
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WO/2002/074721 |
Process for pyrolyzing a light feed in a pyrolysis furnace designed for pyrolyzing heavy feed, in which process part of the light feed is introduced at the feed inlet of the convection zone of the pyrolysis furnace and further light feed...
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WO/2002/072507 |
A method of recovering cumene in a process in which cumene is used, characterized by hydrocracking in the presence of a catalyst the 2,3-dimethyl-2,3-diphenylbutane generated to thereby convert it into cumene, and recovering the cumene.
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WO/2002/070626 |
The present invention provides a pyrolysis tube for enhancing the yield of olefins and reducing a coking tendency in steam cracking of hydrocarbons. According to the present invention, the pyrolysis tube is characterized in that a plural...
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WO/2002/058139 |
Novel uses of diamondoid-containing materials in the field of microelectronics are disclosed. Embodiments include, but are not limited to, thermally conductive films in integrated circuit packaging, low-k dielectric layers in integrated ...
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WO/2002/057202 |
Higher diamondoids ranging from tetramantanes through undecamantanes are disclosed in isolated and enriched forms. Methods for obtaining these higher diamondoids are disclosed, as well.
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WO/2002/057201 |
Higher diamondoid derivatives capable of taking part in polymerization reactions are disclosed as are intermediates to these derivatives, polymers formed from these derivatives and methods for preparing the polymers.
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WO/2002/057203 |
Disclosed are compositions comprising C¿26?H¿30? hexamantane, referred to herein as peri-condensed hexamantane, fully condensed hexamantane, and cyclohexamantane. These enriched cyclohexamantane compositions comprise at least 5 percent...
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WO/2002/044306 |
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...
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WO/2002/036529 |
A production method of a highly pure dicyclopentadiene usable in the production of resins and nornbornene derivatives from C¿5?-fraction of hydrocarbon pyrolysis which comprises the steps of: dimerization of cyclopentadiene contained in...
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WO/2002/026628 |
A process for producing polymers from olefins selectively produced from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is introduced into a process unit comprised of a reaction zone, a...
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WO/2002/004390 |
A process for preparing an ethylene-rich composition from a C¿3-5? paraffinic feedstock is described. The C¿3-5? paraffinic feedstock is subjected to molecular redistribution via dehydrogenation to form olefins, metathesis of the olefi...
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WO/2001/092154 |
Mesoporous hexagonal, cubic, lamellar, wormhole, or cellular foam aluminosilicates, gallosilicates and titanosilicates derived from protozeolitic seeds using an ionic structure directing agent are described. The silicon and aluminum, gal...
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WO/2001/092155 |
The present invention relates to a new crystalline zeolite SSZ-53 prepared by using phenylcycloalkylmethyl ammonium cations as structure directing agents.
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WO/2001/090279 |
A process for producing propylene from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is contacted with a catalyst containing from 10 to 50 wt.% of a crystalline zeolite having an aver...
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WO/2001/090278 |
A process for producing polypropylene from olefins selectively produced from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is contacted with a catalyst containing from 10 to 50 wt.% o...
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WO/2001/090034 |
Process for the production of propylene starting from mixtures of hydrocarbons, prevalently olefins, the above hydrocarbons having a boiling point ranging from -15 °C to +80 °C, preferably from -12 °C to +60 °C, which comprises putti...
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WO/2001/081280 |
Propylene and ethylene are made by heating one or more C4 to C9 olefins with a zeolite catalyst that has a pore diameter within the range of 4.4 to 4.5 Ã… and one-dimensional, non-interconnecting channels having a pore size index within ...
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WO/2001/070387 |
The invention relates to a method for carrying out a metathesis reaction of unsaturated organic compounds, characterized in that at least one unsaturated organic compound in a liquid or dissolved form is mixed with at least one metathesi...
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WO/2001/064763 |
A process for producing polymers from olefins selectively produced from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is introduced into a process unit comprised of a reaction zone, a...
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WO/2001/064760 |
A process for producing polypropylene from olefins selectively produced from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is contacted with a catalyst containing from about 10 to 50 ...
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WO/2001/064762 |
A process for producing polymers from olefins selectively produced by a two stage process for selectively producing C¿2? to C¿4? olefins from a gas oil or resid is disclosed herein. The gas oil or resid is reacted in a first stage comp...
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WO/2001/064761 |
A process for producing polymers from C¿2?-C¿4? olefins selectively produced from a catalytically-cracked or thermally-cracked naphtha stream is disclosed herein. A mixture of the naphtha stream and a stream of steam is fed into a reac...
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WO/2001/064335 |
An aluminophosphate bound silicoaluminophosphate catalyst contains iron, cobalt and/or nickel is useful in a method of making a product including an olefin from a feedstock containing an oxygenate. The method includes contacting an oxyge...
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WO/2001/051590 |
The hydrocarbon to be used, together with water vapour, is subjected to thermal steam cracking, whereby said hydrocarbon is in the vapour state. The hydrocarbon is heated to temperatures ranging from 700 to 1,000 °C during steam crackin...
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WO/2001/034730 |
This invention relates to a process to produce propylene from a hydrocarbon feed stream, preferably a naphtha feed stream, comprising C¿5? and C¿6? components wherein a light portion having a boiling point range of 120 °C or less is i...
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WO/2001/034729 |
This invention is related to a catalytically cracked or thermally cracked naphtha stream. The naphtha stream is contacted with a catalyst containing from about 10 to 50 wt.% of a crystalline zeolite having an average pore diameter less t...
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WO/2001/034727 |
The invention is related to a catalyst and a process for selectively producing light (i.e., C¿2?-C¿4?) olefins from a catalytically cracked or thermally cracked naphtha stream. The naphtha stream is contacted with a catalyst containing...
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WO/2001/034731 |
The invention is related to a two step process wherein the first step comprises cracking an olefinic naphtha resulting in a cracked product having a diminished total concentration of olefinic species. The second step comprises hydroproce...
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WO/2001/021731 |
The invention concerns a method for reducing coking on the metal walls of a reactor cracking hydrocarbons or other organic compounds and on the metal walls of a heat exchanger placed downstream of the cracking reactor, whereby the metal ...
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WO/2001/009067 |
A process for toluene disproportionation which obtains high xylene yields while minimizing ethylbenzene production employs a dual catalyst bed. The first bed employs an acid zeolite, e.g., ZSM-5 which disproportionates toluene and the do...
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WO/2001/009269 |
The invention relates to a method for cracking hydrocarbons, especially for producing olefins, whereby a mixture consisting of hydrocarbons and water vapor is heated in a cracking furnace up to a temperature ranging from 750 °C to 900 Â...
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WO/2001/005909 |
The feed mixture containing C¿4? to C¿8? olefins and water vapor is introduced with an entry temperature ranging from 300 to 700 °C into a reactor which contains a feed material comprised of a granular shape-selective zeolite catalyst...
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WO/2001/002324 |
The invention provides a high temperature metathesis process for the metathesis of Fischer-Tropsch olefins in the C¿5? to C¿15? range, said metathesis process including the step of subjecting a Fischer-Tropsch olefin feedstock in the C...
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WO/2000/078894 |
A process for cracking an olefin-containing hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising passing a hydrocarbon feedstock containing one or more olefins through a reactor containin...
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WO/2000/066263 |
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/2000/061529 |
A process for producing 2,6-dialkylnaphtalene from a hydrocarbon feedstock that contains at least one component selected from the group consisting of dialkylnaphtalene isomers, monoalkynaphtalene isomers, polyalkylnaphtalenes, and naphta...
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WO/2000/043316 |
This invention relates to a new synthetic porous crystalline material, designated MCM-68, a method and novel polycyclic organic cation for its preparation and its use in catalytic conversion of organic compounds. The new crystalline mate...
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WO/2000/043466 |
A process for catalytic cracking of a hydrocarbon feedstock feeds to produce an enhanced yield butylenes and isobutane comprises contacting the feedstock with a catalyst composition comprising MCM-68. The MCM-68 may be used as the primar...
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