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Chemistry of hydrocarbon compounds July category listing 07/09

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
07/30/2009 > patent applications in patent subcategories. category listing

20090192338 - Method for adjusting catalyst activity: Systems and methods for producing and using one or more doped catalysts are provided. One or more coked-catalyst particles can be fluidized in the presence of one or more oxidants to provide a fluidized mixture. The coke from the one or more coked-catalyst particles can be removed to provide regenerated... Agent: Christian N. Heausler Kellogg Brown & Root LLC

20090192339 - Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefins: A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1-butene with an isomerization catalyst under conditions favoring the isomerization of 1-butene to 2-butene so the isomerized stream contains a greater concentration of 2-butene than... Agent: Chevron Corporation

20090192340 - Alkylaromatic dehydrogenation system and method for monitoring and controlling the system: An alkylaromatic dehydrogenation system is described. In addition, a method is described for monitoring an alkylaromatic dehydrogenation process comprising: drawing a sample from the process at a first sample point; passing the sample through an analyzer; and measuring the amount of at least one component present in the sample wherein... Agent: Shell Oil Company

20090192341 - Method of circulating catalyst between a catalyst regenerator and an external catalyst cooler: This invention relates to efficiently regenerating catalyst particles by minimizing the formation of localized “hot spots” and “cold spots” in a regeneration zone. Specifically this invention relates to a method for controlling regenerator temperature in an oxygenates-to-olefins system, comprising the steps of: contacting an oxygenate feed in a reactor with... Agent: Exxonmobil Chemical Company

20090192342 - Process for oligomerizing olefins using a catalyst based on silica-alumina: i

20090192343 - Method for producing olefins using a doped catalyst: Processes for producing one or more olefins are provided. In one or more embodiments, a doped catalyst can be prepared by fluidizing one or more coked-catalyst particles in the presence of one or more oxidants to provide a fluidized mixture. At least a portion of the coke can be removed... Agent: Christian N. Heausler Kellogg Brown & Root LLC

  
07/23/2009 > patent applications in patent subcategories. category listing

20090187053 - Modified ets-10 zeolites for olefin separation: An as prepared Na-ETS-10 zeolite was modified by ion exchange with a mono-, di-, or tri-valent cation and mixtures thereof. Several of the modified ETS-10 zeolites showed improved pressure swing capacity during the selective adsorption of ethylene from an ethylene/ethane mixture, relative to Na-ETS-1 0, although the selectivity of adsorption... Agent: Kenneth H. Johnson Patent Attorney

20090187054 - Isomerization of benzene-containing feedstocks: The benzene content in a gasoline pool is reduced by a process that hydrogenates a benzene-containing isomerization zone feedstream. The additional cyclic hydrocarbons produced by the saturation of benzene can be processed in the isomerization zone for ring opening to increase the available paraffinic feedstock or the isomerization zone can... Agent: Honeywell/uop Patent Services

20090187055 - Process for the preparation of styrene and/or a substituted styrene: The invention relates to a process for the preparation of styrene and/or a substituted styrene from a feed containing 1-phenylethanol and 2-phenylethanol and/or a substituted 1-phenylethanol and a substituted 2-phenylethanol, comprising a gas phase dehydration of the feed at elevated temperature in the presence of a catalyst comprising particles of... Agent: Shell Oil Company

20090187056 - Process for the preparation of an olefin: Process for the preparation of an olefin comprising contacting a diluted olefinic hydrocarbon feed, containing an oxygenate feed, an olefinic co-feed and one or more diluents, with a solid zeolite catalyst to obtain a reaction product containing one or more olefins, and wherein the diluted feed is contacted with the... Agent: Shell Oil Company

20090187057 - Process for the preparation of c5 and/or c6 olefin: Process for the preparation of C5 and/or C6 olefins from a lower olefin, which lower olefin comprises from 2 to 5 carbon atoms, and an oxygenate, which oxygenate comprises at least one oxygen-bonded alkyl group, comprising contacting the lower olefin with the oxygenate, in a molar ratio of oxygen-bonded alkyl... Agent: Shell Oil Company

20090187058 - Process for the preparation of an olefin: Process for the preparation of an olefin comprising a) reacting a combination of an oxygenate feed selected from the group consisting of alcohols and ethers, and an olefinic co-feed in a reactor in the presence of a one-dimensional zeolite having 10-membered ring channels to prepare an olefinic reaction mixture; b)... Agent: Shell Oil Company

20090187059 - Process for the preparation of an olefin: Process for the preparation of ethylene and/or propylene comprising reacting an oxygenate feed and an olefinic co-feed in a reactor in the presence of a zeolite catalyst to prepare an olefinic reaction mixture; wherein the olefinic co-feed is partially obtained from an olefinic refinery stream and partially obtained from a... Agent: Shell Oil Company

  
07/16/2009 > patent applications in patent subcategories. category listing

20090182180 - Low pressure acetylene storage: Methods and apparatus for the storage of acetylene include providing an acetylene storage device which has an interior volume. A carbonaceous adsorbent is disposed in the interior volume of the storage device, and acetylene is introduced into the storage device to be reversibly adsorbed by the carbonaceous adsorbent. A pressure... Agent: Air Liquide Intellectual Property

20090182181 - Nickel catalyst for hydrogenation reactions: The present invention relates to a catalyst nickel, silica, alumina and magnesium, wherein the nickel to magnesium atomic ratio is 5-75. In particular the present invention relates to a catalyst comprising nickel, silica, alumina and magnesium, wherein the nickel to silicium atomic ratio (Ni/Si) is 2 to 30 to nickel... Agent: Basf Catalysts LLC

20090182182 - Process for isomerizing a non-equilibrium alkylaromatic feed mixture and an aromatic production facility: One exemplary embodiment can be a process for the isomerization of a non-equilibrium alkylaromatic feed mixture. The process can include contacting the non-equilibrium alkylaromatic feed mixture in a C8 isomerization zone. The C8 isomerization zone may include a first isomerization stage and a second isomerization stage. At the first isomerization... Agent: Honeywell/uop Patent Services

20090182183 - Propylene oligomerization process: A process for the oligomerization of propylene is disclosed wherein a tungstated zirconia catalyst prepared as a distillation structure is used in a reaction distillation zone under conditions of temperature and pressure to concurrently react the propylene to produce oligomers thereof and separate the oligomer products from unreacted propylene by... Agent: Osha Liang LLP / Cdtech

20090182185 - Acetylene removal methods and apparatus: The present invention provides a method and apparatus for removing acetylene from a gasoeus mixture comprising hydrogen, methane, ethane, ethylene, acetylene, propane, propylene, butane, butenes, butadiene, and other C4 or higher hydrocarbons. The method of the invention utilizes a front-end acetylene removal unit (“ARU”) located after a charge gas compressor... Agent: Brett L. Nelson Eastman Chemical Company

20090182184 - Method for producing ethylene and propylene: e

20090182186 - Supported catalyst for conversion of propane to propene and its use in a process for that conversion: A process for the conversion of propane to propene is disclosed wherein a silica chromium catalyst composition is contacted with a propane feed stream and a carbon dioxide. The silica chromium catalyst composition is further disclosed wherein the composition, optionally, includes a promoter component.... Agent: Rohm And Haas Company Patent Department

  
07/09/2009 > patent applications in patent subcategories. category listing

20090177019 - Process for producing adamantane: Provided is a method for production of adamantane which enables producing a high-purity adamantane at low cost and with high efficiency by using effectively trimethylenenorbornane contained in a heavy raffinate heavy and having conventionally been no use other than fuels and the like, and which enables alleviating poisoning of a... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090177020 - Process for production of aromatic hydrocarbons: The present invention provides a process for producing aromatic hydrocarbons at a sufficiently high yield, from a light hydrocarbon containing mainly hydrocarbons having 7 or fewer carbon atoms. The process of the present invention comprises bringing a feedstock containing mainly light hydrocarbons having 2 to 7 carbon atoms into contact... Agent: Panitch Schwarze Belisario & Nadel LLP

20090177021 - Aromatic transalkylation using a modifed lz-210 zeolite: A process for converting polyalkylaromatics to monoalkylaromatics, particularly cumene, in the presence of a modified LZ-210 zeolite catalyst is disclosed. The process attains greater selectivity, reduced formation of undesired byproducts, and increased activity.... Agent: Hin/uop Patent Services

20090177022 - Cracking tube having helical fins: A cracking tube (50) for use in thermal cracking furnaces for producing ethylene or the like has fins (1) formed on an inner surface thereof and inclined with respect to an axis of the tube for stirring a fluid inside the tube. The fins are arranged discretely on one or... Agent: Kratz, Quintos & Hanson, LLP

20090177023 - Filtration tray for fixed bed reactor with a co-current down-flow of gas and liquid: c

  
07/02/2009 > patent applications in patent subcategories. category listing

20090171133 - Ionic liquid catalyst alkylation using a loop reactor: Provided is a process for producing low volatility, high quality gasoline blending components which comprises recirculation of at least a portion of a recovered stream comprising primarily isoparaffins. Recirculation of the stream allows for an enhanced I/O ratio and a more cost effective process.... Agent: Crowell & Moring LLP Intellectual Property Group

20090171134 - Ionic liquid catalyst alkylation using split reactant streams: Provided is a process for producing low volatility, high quality gasoline blending components from a number of isoparaffin feed streams, olefin feed streams, and ionic liquid catalyst streams. The process entails providing an isoparaffin feed stream comprising isoparaffins, an olefin feed stream comprising olefins, and a catalyst stream comprising ionic... Agent: Crowell & Moring LLP Intellectual Property Group

20090171135 - Process for c8 alkylaromatic isomerization: A process for isomerizing ethylbenzene into xylenes such as para-xylene using a zeolitic catalyst system based on low Si/Al2 MTW-type zeolite that preferably is substantially free of mordenite. The catalyst may be bimetallic where the two metals are platinum and tin.... Agent: Honeywell International Inc Patent Services

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