Chemistry of hydrocarbon compounds inventions 10/08

20080262278 - Integrated process for producing xylenes and high purity benzene: Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an extraction or distillation to remove C6 naphthenes. The processes of this invention include a transalkylation section and a disproportionation... Agent: Honeywell Intellectual Property Inc Patent Services

20080262279 - Production of alkylaromatic compounds: A process for producing a monoalkylation aromatic product, such as ethylbenzene and cumene, utilizing an alkylation reactor zone and a transalkylation zone in series or a combined alkylation and transalkylation reactor zone. This process requires significantly less total aromatics distillation and recycle as compared to the prior art.... Agent: Exxonmobil Chemical Company

20080262280 - Integrated process for producing xylenes and high purity benzene: Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an extraction or distillation to remove C6 naphthenes. The processes of this invention include a transalkylation section and a disproportionation... Agent: Honeywell Intellectual Property Inc Patent Services

20080262281 - Catalyst used for the oxidation of hydrogen, and method for the dehydrogenation of hydrocarbons: A catalyst for the oxidation of hydrogen in a process for the dehydrogenation of hydrocarbons, wherein the catalyst comprises, supported on α-aluminum oxide, from 0.01 to 0.1% by weight of platinum and from 0.01 to 0.1% by weight of tin, based on the total weight of the catalyst, a process... Agent: Connolly Bove Lodge & Hutz, LLP

20080262282 - Method for producing paraxylene comprising an adsortion step and two isomerization steps: The extract is distilled and the distillate is optionally re-crystallized to recover para-xylene with a purity of at least 99.7%. The 2-raffmate is distilled then isomerized in a reactor preferably operating in the liquid phase and at a low temperature. The intermediate raffinate with an enriched ethylbenzene content is distilled... Agent: Millen, White, Zelano & Branigan, P.C.

20080262278 - Integrated process for producing xylenes and high purity benzene: Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an extraction or distillation to remove C6 naphthenes. The processes of this invention include a transalkylation section and a disproportionation... Agent: Honeywell Intellectual Property Inc Patent Services

20080262279 - Production of alkylaromatic compounds: A process for producing a monoalkylation aromatic product, such as ethylbenzene and cumene, utilizing an alkylation reactor zone and a transalkylation zone in series or a combined alkylation and transalkylation reactor zone. This process requires significantly less total aromatics distillation and recycle as compared to the prior art.... Agent: Exxonmobil Chemical Company

20080262280 - Integrated process for producing xylenes and high purity benzene: Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an extraction or distillation to remove C6 naphthenes. The processes of this invention include a transalkylation section and a disproportionation... Agent: Honeywell Intellectual Property Inc Patent Services

20080262281 - Catalyst used for the oxidation of hydrogen, and method for the dehydrogenation of hydrocarbons: A catalyst for the oxidation of hydrogen in a process for the dehydrogenation of hydrocarbons, wherein the catalyst comprises, supported on α-aluminum oxide, from 0.01 to 0.1% by weight of platinum and from 0.01 to 0.1% by weight of tin, based on the total weight of the catalyst, a process... Agent: Connolly Bove Lodge & Hutz, LLP

20080262282 - Method for producing paraxylene comprising an adsortion step and two isomerization steps: The extract is distilled and the distillate is optionally re-crystallized to recover para-xylene with a purity of at least 99.7%. The 2-raffmate is distilled then isomerized in a reactor preferably operating in the liquid phase and at a low temperature. The intermediate raffinate with an enriched ethylbenzene content is distilled... Agent: Millen, White, Zelano & Branigan, P.C.

20080255397 - Promotors for controlling acidity and pore size of zeolite catalysts for use in alkylation: A metal-modified alkylation catalyst including a metal/zeolite is provided where the metal is one or two selected from the group consisting of yttrium and a rare earth of the lanthanide series other than cerium. Where two metals are used, one may be Ce or La. The metal-promoted zeolite is useful... Agent: Fina Technology Inc

20080255398 - Aromatization of alkanes using a germanium-zeolite catalyst: This invention relates to a process for the aromatization of C6 to C12 alkanes, such as hexane, heptane and octane, to aromatics, such as benzene, ethyl benzene, toluene and xylenes, with a germanium-containing zeolite catalyst. The catalyst is a non-acidic aluminum-silicon-germanium zeolite on which a noble metal, such as platinum,... Agent: Jim Wheelington Sabic Americas, Inc.

20080255399 - Method for production of diphenylethylene: The invention relates to a method for production of diphenylethylene (DPE) comprising the steps of: (a) catalytic dehydrogenation of diphenylethane (DPA) in the presence of water, (b) addition of a light organic solvent to the mixture from step (a) and (c) decanting the mixture from step (b) with recovery of... Agent: Arkema Inc. Patent Department - 26th Floor

20080249341 - Method for preparing high energy fuels: A method for preparing the low carbon number petrochemical products along with the high energy fuels from pyrolysis gasoline is provided. In this method, the pyrolysis gasoline is used as feedstock, and the reactive non-aromatic, unsaturated moieties, and the sulfur impurity contained in the pyrolysis gasoline are removed. Then the... Agent: Birch Stewart Kolasch & Birch

20080249342 - Production of aromatics from methane: In a process for converting methane to aromatic hydrocarbons, a feed containing methane and a particulate catalytic material are supplied to a reaction zone operating under reaction conditions effective to convert at least a portion of the methane to aromatic hydrocarbons and to deposit carbonaceous material on the particulate catalytic... Agent: Exxonmobil Chemical Company Law Technology

20080249343 - Supported organoiridium catalysts for alkane dehydrogenation: Solid supported organoiridium catalysts, a process for preparing such solid supported organoiridium catalysts, and the use of such solid supported organoiridium catalysts in dehydrogenation reactions of alkanes is provided. The catalysts can be easily recovered and recycled.... Agent: Los Alamos National Security, LLC

20080249344 - Process for cracking an olefin-rich hydrocarbon feedstock: 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 moving bed reactor containing a crystalline silicate catalyst selected from an MFI-type crystalline silicate having a silicon/aluminium atomic ratio... Agent: Fina Technology Inc

20080249345 - Process and apparatus for para-xylene production: A process of producing PX comprising providing a C8+ feedstock, the C8+ feedstock has C8 hydrocarbons and C9+ hydrocarbons, to a crystallization unit under crystallization conditions to produce a PX enriched stream having a PX concentration of at least 99.5 wt % based on the weight of the PX enriched... Agent: Exxonmobil Chemical Company Law Technology

20080249346 - Catalyst for selective opening of cyclic naphtha and process for using the catalyst: A catalyst and process for opening aliphatic cyclic hydrocarbons have been developed. The catalyst comprises a catalytic metal component, a molecular sieve and refractory inorganic oxide component. The molecular sieve is selected from the group consisting of MAPSOs, SAPOs, UZM-8, UZM-8HS, UZM-15, UZM-15HS, UZM-16, UZM-16HS and mixtures thereof. Preferred catalytic... Agent: Honeywell Intellectual Property Inc Patent Services

20080242903 - Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreams: A catalyst and a method for selective hydrogenation of acetylene and dienes in light olefin feedstreams are provided. The catalyst retains higher activity and selectivity after regeneration than conventional selective hydrogenation catalysts. The catalyst contains a first component and a second component supported on an inorganic support. The inorganic support... Agent: Reed Smith LLP

20080242904 - Integrated alkylation-isomerization process: An integrated isomerization-alkylation process is disclosed that uses a common distillation zone. The process can comprise halogen removal. The process is suitable for the production of motor fuels from isoparaffins and olefins using solid alkylation and isomerization catalysts.... Agent: Honeywell Intellectual Property Inc Patent Services

20080242905 - Alkylaromatics production using dilute alkene: process for producing an alkylated aromatic product in a reactor by reacting an alkylatable aromatic compound feedstock with another feedstock comprising alkene component and alkane component in a reaction zone containing an alkylation catalyst. The reaction zone is operated in predominantly liquid phase without inter-zone alkane removal. The polyalkylated aromatic... Agent: Exxonmobil Chemical Company

20080242906 - Alkylation process: A process for the production of ethylbenzene by the ethylation of benzene in the critical phase in a reaction zone containing a molecular sieve aromatic alkylation catalyst comprising cerium-promoted zeolite beta. A polyethylbenzene is supplied into the reaction zone and into contact with the cerium-promoted zeolite beta having a silica/alumina... Agent: Fina Technology Inc

20080242907 - Multiphase alkylaromatics production: A process for producing a monoalkylated aromatic product in a reactor by reacting a mixed phase mixture of an alkylatable aromatic compound feedstock with another feedstock comprising alkene component in a reaction zone containing an alkylation catalyst. An effluent comprising the monoalkylated aromatic product and polyalkylated aromatic compounds exits from... Agent: Exxonmobil Chemical Company

20080242908 - Recycle of dme in an oxygenate-to-olefin reaction system: This invention is directed to a process for producing one or more olefins from an oxygenate feed. According to the invention, an oxygenate stream is provided and a recycle stream is added to the oxygenate stream to form a feed stream to an oxygenate-to-olefin conversion system. The recycle stream comprises... Agent: Exxonmobil Chemical Company Law Technology

20080242909 - Process for the production of high-octane hydrocarbon compounds by the selective dimerization of isobutene contained in a stream which also contains c5 hydrocarbons: A process is described for the production of high-octane hydrocarbon compounds by means of the selective dimerization of isobutene, in the presence of C5 hydrocarbons and oxygenated compounds (branched alcohols or alternatively blends of linear or branched alcohols and alkyl ethers) characterized in that it utilizes a catalytic distillation as... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080242910 - Conversion of dimethylether to propylene using moving bed technology: The average cycle propylene selectivity of an oxygenate to propylene (OTP) process using one or more fixed beds of a dual-function oxygenate conversion catalyst is substantially enhanced by the use of moving bed reactor technology in the hydrocarbon synthesis portion of the OTP flow scheme in lieu of fixed bed... Agent: Honeywell Intellectual Property Inc Patent Services

20080242911 - Ch activation/dehydrogenation of hydrocarbons: e

20080242912 - Methods and apparatus for providing a high purity acetylene product: Methods and apparatus for the purification and distribution of acetylene. Acetylene is removed from an acetylene storage device, and provided to a purifier where solvent is removed. The purified acetylene is then provided to a semiconductor processing tool.... Agent: Air Liquide Intellectual Property