Chemistry of hydrocarbon compounds inventions 07/08

20080183022 - Process for converting gaseous alkanes to liquid hydrocarbons: A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over a synthetic crystalline alumino-silicate catalyst, such as a... Agent: Marathon Oil Company C/o Law Office Of Jack E. Ebel

20080183023 - Two-stage aromatics isomerization process: This invention is drawn to a process for isomerizing a non-equilibrium mixture of alkylaromatics in two sequential zones, the first zone operating in the absence of hydrogen using a platinum-free catalyst and the second zone using a catalyst comprising a molecular sieve and a platinum-group metal component to obtain an... Agent: Honeywell Intellectual Property Inc Patent Services

20080183024 - Method for producing butadiene from n-butane: i

20080183025 - Alkylation process using a catalyst comprising rare earth containing zeolites and a hydrogenation metal: An improved alkylation process utilizing a solid-acid catalyst comprising a rare earth containing zeolite and a hydrogenation metal is disclosed.... Agent: Albemarle Netherlands B.v. Patent And Trademark Department

20080177117 - Integrated catalytic process for converting alkanes to alkenes and catalysts useful for same: The present invention relates to an integrated multi-zone process for conversion of alkanes to their corresponding alkenes, involving exothermically converting a portion of an alkane to its corresponding alkene by oxidative dehydrogenation in an exothermic reaction zone, in the presence of oxygen and a suitable catalyst, and then feeding the... Agent: Rohm And Haas Company Patent Department

20080177118 - Novel transition metal substituted polyoxometalates and process for their preparation: This invention relates to polyoxometalates represented by the formula (An)m+[My(H2O)pXzZ2W18O66]m− or solvates thereof, wherein A represents a cation acting as counterion of the polyanion, n is the number of the cations A, m is the charge of the polyoxoanion, M represents a transition metal selected from Cu, Zn, Pd, Pt... Agent: Exxonmobil Chemical Company

20080177119 - Process of using zeolite catalyst for hydrocarbon conversion: This invention is for a catalyst for conversion of a hydrocarbonaceous feed. The catalyst is a zeolite aluminosilicate with a silicon to aluminum molar ratio from about 70:1 to about 100:1 on which a noble metal has been deposited. The zeolite catalyst may contain other optional tetravalent and trivalent elements... Agent: Jim Wheelington Sabic Americas, Inc.

20080177120 - Liquid phase alkylation with multiple catalysts: A process is disclosed for producing an alkylaromatic compound in a multistage reaction system comprising at least first and second series-connected alkylation reaction zones, each containing an alkylation catalyst. A first feed comprising an alkylatable aromatic compound and a second feed comprising an alkene are introduced into the first alkylation... Agent: Exxonmobil Chemical Company

20080177122 - Methods of preparation of an olefin oligomerization catalyst: A method of making a catalyst for use in oligomerizing an olefin, comprising a chromium-containing compound, a pyrrole-containing compound, a metal alkyl, a halide-containing compound, and optionally a solvent, the method comprising abating all or a portion of water, acidic protons, or both from a composition comprising the chromium-containing compound,... Agent: Chevron Phillips Chemical Company

20080177121 - Process to produce high viscosity fluids: This invention relates to processes to produce liquid poly-alpha-olefins (PAOs) having a kinematic viscosity at 100° C. of more than 20 cSt in the presence of a metallocene catalyst with a non-coordinating anion activator and hydrogen.... Agent: Exxonmobil Chemical Company

20080177123 - Hf alkylation process with internal acid regeneration: An improved process for removing polymeric by-product (ASO) from the HF alkylation acid in an HF alkylation unit used for the production of gasoline boiling range alkylate product by olefin/iso-paraffin alkylation, comprises fractionating a portion of the circulating HF alkylation acid inventory of the unit with a portion of hot... Agent: Exxonmobil Research & Engineering Company

20080177124 - Process for the hydroconversion in a slurry of heavy hydrocarbonaceous feedstocks in the presence of a dispersed phase and an alumina-based oxide:

20080171898 - Process for converting gaseous alkanes to liquid hydrocarbons: A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over a synthetic crystalline alumino-silicate catalyst, such as a... Agent: Marathon Oil Company C/o Law Office Of Jack E. Ebel

20080171899 - Production of synthesis gas from biomass and any organic matter by reactive contact with superheated steam: Organic matter, i.e., biomass, fibrous plant matter, organic chemicals or organic waste, or other carbon-based matter is converted to synthesis fuel gas by reactive contact with superheated steam at a temperature of about 200 to 2000 degrees C., typically 500 to 1700 degrees. A reactor has a generally tubular envelope,... Agent: Bernhard P. Molldrem, Jr.

20080171900 - Dual zone aromatic alkylation process: A process for the catalytic alkylation of an aromatic substrate with an alkylating agent is disclosed that comprises contacting the aromatic substrate and the alkylating agent in sequential alkylation zones to obtain an alkylaromatic. The first catalyst comprises UZM-8 zeolite and the second catalyst comprises beta zeolite. The process is... Agent: Honeywell Intellectual Property Inc Patent Services

20080171901 - Aromatic transalkylation using a lz-210 zeolite: A process for converting polyalkylaromatics to monoalkylaromatics, particularly cumene, in the presence of a modified LZ-210 zeolite is disclosed. The process attains greater selectivity, reduced formation of undesired byproducts, and increased activity.... Agent: Honeywell Intellectual Property Inc Patent Services

20080171902 - Aromatic transalkylation using a y-85 zeolite: A process for converting polyalkylaromatics to monoalkylaromatics, particulary cumene, in the presence of a modified Y-85 zeolite is disclosed. The process attains greater selectivity, reduced formation of undesired byproducts, and increased activity.... Agent: Honeywell Intellectual Property Inc Patent Services

20080171903 - Method for preparing oxidized polyolefin waxes: A method for producing an oxidized wax comprising (a) providing a uniform high molecular weight polyolefin resin feedstock having an average particle size smaller than about 30 mesh and a standard deviation in particle size of not greater than about 125 μm; and (b) oxidizing the resin particles in their... Agent: Honeywell International Inc.

20080167507 - Formation of substances by mechanical breaking of carbon-carbon chains molecules: A method including mechanically breaking a source substance including relatively long carbon chains so as to produce a product comprising shorter chain carbon molecules.... Agent: Dekel Patent Ltd., David Klein

20080167508 - Process and catalyst for the transalkylation of aromatics: Disclosed herein is a process and catalyst for producing a monoalkylated aromatic compound from a polyalkylated aromatic compound, comprising the step of contacting an alkylatable aromatic compound with a polyalkylated aromatic compound under at least partial liquid phase conditions in the presence of a zeolite beta catalyst having a phosphorus... Agent: Exxonmobil Chemical Company

20080167509 - Solvent treatment methods and polymerization processes employing the treatment methods: A method for treating a hydrocarbon solvent, the method comprising continuously introducing a hydrocarbon solvent to a liquid medium containing hydrogen ions; allowing the hydrocarbon solvent to be in contact with the liquid medium for at least 1 minute; continuously removing hydrocarbon solvent from the liquid medium to provide a... Agent: Bridgestone Americas Holding, Inc.

20080167510 - Method for producing internal olefin, internal olefin mixture, and oil drilling fluid containing internal olefin mixutrue: A method for producing an internal olefin by stably isomerizing an α-olefin by using an inexpensive zeolite catalyst while preventing an oligomerization reaction is provided. The method for producing an internal olefin comprises a step of isomerizing an α-olefin having from 16 to 18 carbon atoms by passing through a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080167511 - Carbon dioxide fractionalization process: A process comprising receiving a hydrocarbon feed stream comprising carbon dioxide, separating the hydrocarbon feed stream into a light hydrocarbon stream and a heavy hydrocarbon stream, separating the light hydrocarbon stream into a carbon dioxide-rich stream and a carbon dioxide-lean stream, and feeding the carbon dioxide-lean stream into a hydrocarbon... Agent: Conley Rose, P.C.

20080167512 - Systems and methods for the separation of propylene and propane: Embodiments of the present invention generally disclose membrane-based systems and methods for the separation of propylene and propane that overcome certain issues associated with prior art devices and take advantage of a temperature drop across the associated separation membrane.... Agent: Air Liquide Intellectual Property

20080161615 - Method of converting feedstocks coming from renewable sources into high-quality gas-oil fuel bases: The invention relates to a method of treating feedstocks coming from renewable sources, so as to produce gas-oil fuel bases of excellent quality. The feedstocks used may for example be vegetable oils, whether unprocessed or having undergone beforehand a prerefining step, animal fats, or mixtures of such feedstocks. The invention... Agent: Millen, White, Zelano & Branigan, P.c.

20080161614 - Methods of hydrotreating a mixture made up of oils of animal or vegetable origin and of petroleum cuts with intermediate stripping: The invention relates to a hydrotreating method (HDT) using two plants working under different operating conditions with an intermediate stripping for co-treating a mixture made up of oils of vegetable or animal origin and petroleum cuts (gas oil cuts (GO) and middle distillates) in order to produce gas oil fuel... Agent: Millen, White, Zelano & Branigan, P.c.

20080161616 - Oxygenate to olefin processing with product water utilization: Processing schemes and arrangements for the production of olefins and, more particularly, for the production of light olefins from an oxygenate-containing feedstock are provided. Such processing schemes and arrangements offer improved energy utilization, additional light olefin products, and provide efficient uses for product water.... Agent: Honeywell Intellectual Property Inc Patent Services

20080161617 - Process and apparatus for alkylation of aromatic compound with aliphatic mono-olefin compound of 8 to 18 carbon atoms: Continuous processes for monoalkylating aromatic compound with an aliphatic feedstock comprising aliphatic olefin of 8 to 18 carbon atoms per molecule are effected using at least 3 reaction zones in series, each containing solid alkylation catalyst with effluent cooling between reaction zones, each of which reaction zones is supplied a... Agent: Honeywell Intellectual Property Inc Patent Services

20080161618 - Apparatus and methods for separating butene-1 from a mixed c4 feed: A process is disclosed for recovering 1-butene from a feed steam comprising n-butane, isobutane and butene isomers using a single, divided wall distillation column. The disclosed process includes introducing the feed steam into an inlet of a first side of a distillation column, wherein the distillation column comprises a top,... Agent: Honeywell Intellectual Property Inc Patent Services

20080161619 - Process for producing phenylalkanes of desired 2-phenyl content: The alkylation of aromatic compound with acyclic mono-olefin is effected under alkylation conditions including the presence of solid catalyst to provide a phenylalkane product having a consistent, desired 2-phenyl content. At least a portion of the aromatic compound and mono-olefin is contacted with a catalyst comprising FAU molecular sieve and... Agent: Honeywell Intellectual Property Inc Patent Services

20080161620 - Aromatics co-production in a methanol-to-propylene unit: The present invention provides a reactor system having: (1) a first reactor receiving an oxygenate component and a hydrocarbon component and capable of converting the oxygenate component into a light olefin and the hydrocarbon component into alkyl aromatic compounds; (2) a separator system for providing a first product stream containing... Agent: Honeywell Intellectual Property Inc Patent Services

20080161621 - Processes for producing alkylbenzenes over solid acid catalyst at low benzene to olefin ratios and low heavies make: The alkylation of aromatic compound with acyclic mono-olefin is effected at low aromatic compound to mono-olefin ratios with reduced co-production of heavies. In the processes a small crystal, acidic FAU molecular sieve is used as a catalyst under alkylation conditions. This invention also relates to catalysts containing small crystal, acidic... Agent: Honeywell Intellectual Property Inc Patent Services

20080161622 - Multi-zone process for the production of xylene compounds: A multi-zone process for the conversion of a hydrocarbon feedstock comprising cyclic compounds to produce aromatic compounds, and in particular xylene compounds. A naphtha boiling range stream having a boiling point range from about 71° C. (160° F.) to about 216° C. (420° F.) is reformed and/or transalkylated within reforming... Agent: Honeywell Intellectual Property Inc Patent Services

20080161623 - Method for manufacturing high viscosity polyalphaolefins using ionic liquid catalysts: A method of continuously manufacturing a high viscosity polyalphaolefin product by introducing a monomer and an ionic liquid catalyst together into a reaction zone while simultaneously withdrawing from the reaction zone a reaction zone effluent that contains the high viscosity polyalphaolefin. The reaction zone is operated under reaction conditions suitable... Agent: Chevron Phillips Chemical Company

20080161624 - Fluidized bed reactor with back-mixing for dehydrogenation of light paraffins: An improved process and system for the endothermic dehydrogenation of an alkane stream is described. The process and system of the present invention comprise a back-mixed fluidized bed reactor. The alkane stream is dehydrogenated in a single reactor stage by contacting the alkane stream with a back-mixed fluidized bed of... Agent: Honeywell Intellectual Property Inc Patent Services

20080161625 - Zsm-5- additive: A catalyst composition suitable for reacting hydrocarbons such as in fluidized catalytic cracking (FCC) comprises an attrition-resistant particulate having at least 30% of an intermediate pore zeolite, kaolin, a phosphorous compound, and a high density unreactive component. An example of an unreactive component is alpha-alumina. The catalyst can also contain... Agent: Raymond F. Keller, Esq. Senior Councel

20080161626 - Low temperature process for recovering and producing para-xylene and heat exchange network therefore: Recent experimental work with currently available adsorbents indicates that operating the adsorption section at lower temperatures improves the para-xylene productivity. As a result, an aromatics complex and heat recovery network for a low temperature adsorptive separation-isomerization loop is disclosed resulting in adsorbents savings in combination with higher capacity thereby enabling... Agent: Honeywell Intellectual Property Inc Patent Services

20080161627 - Olefinic feedstock treatment processes: Aromatic by-products are sorbed from mono-olefin-containing feedstocks of olefins having from about 6 to 22 carbon atoms per molecule that contain aromatic by-products having from 7 to 22 carbon atoms per molecule. A benzene-containing regenerant displaces and desorbs the aromatic by-products from the sorbent and a regeneration effluent is provided.... Agent: Honeywell Intellectual Property Inc Patent Services