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Chemistry of hydrocarbon compounds May archived by USPTO category 05/09

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.
  
05/28/2009 > patent applications in patent subcategories. archived by USPTO category

20090137854 - Integration of molecular redistribution and hydroisomerization processes for the production of paraffinic base oil: The process as described herein produces a moderately aromatic isoparaffinic base oil from a distillate range product. This process comprises: (a) providing a distillate range paraffin feed comprising paraffins and cycloparaffins; (b) mildly reforming the distillate range paraffin feed to convert at least a portion of the cycloparaffins to alkylaromatics... Agent: Crowell & Moring LLP Intellectual Property Group

20090137855 - Alkylaromatics production: A process is described 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 and one or more alkanes are... Agent: Exxonmobil Chemical Company Law Technology

20090137856 - Method and device for producing lower olefins from oxygenates: Method and device for manufacturing at least one low olefin from an oxygenate-containing first reaction mixture (11) through conversion by a catalyst (20) to an olefin and paraffin-containing second reaction mixture (21) where the second reaction mixture (21) is flowed through a separation system (300), in which one at least... Agent: Norris, Mclaughlin & Marcus, P.A.

20090137857 - Method for preparation of ethylene and propylene by catalytic cracking using a fluid-bed catalyst: A method for preparation of ethylene and propylene by catalytic cracking using a fluid-bed catalyst. The main technical problems to be solved are a relatively high reaction temperature, and low activities and poor selectivities of the catalyst at a low temperature, during the reaction for preparing ethylene and propylene by... Agent: Birch Stewart Kolasch & Birch

  
05/21/2009 > patent applications in patent subcategories. archived by USPTO category

20090131729 - Method for production of adamantane: Provided is a method for production of adamantanes, in which, when a tricyclic saturated hydrocarbon compound having 10 or more carbon atoms is isomerized in the presence of a solid catalyst to give adamantanes, no solid matter derived from an oxygen-containing compound is formed or accumulated in the inlet or... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090131730 - Oxygenate conversion using boron-containing molecular sieve cha: A process for the production of light olefins from a feedstock comprising an oxygenate or mixture of oxygenates, the process comprising reacting the feedstock at effective conditions over a catalyst comprising boron-containing molecular sieve having the CHA crystal structure and comprising (1) silicon oxide and (2) boron oxide or a... Agent: Chevron Corporation

20090131731 - Process for the production of linear alpha-olefins: The present invention relates to a process for the production of linear alpha-olefins. In particular, the present invention relates to a process for the production of linear alpha-olefins (LAO's) in which Fischer Tropsch (FT)-derived liquids are autothermally cracked to produce linear alpha-olefins or an LAO-containing feed is autothermally cracked to... Agent: Nixon & Vanderhye, PC

  
05/14/2009 > patent applications in patent subcategories. archived by USPTO category

20090124838 - Liquid crystalline styryl derivative, process of preparing same, and liquid crystal semiconductor device using same: R1 and R2, which may be the same or different, each preferably represent a branched alkyl or alkoxy group represented by CH3—(CH2)x—CH(CH3)—(CH2)y—CH2— or CH3—(CH2)x—CH(CH3)—(CH2)y—CH2—O—, respectively, wherein x is an integer of 0 to 7, and y is an integer of 0 to 7. The styryl derivative is suitable for use... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20090124839 - Production of liquid alkanes in the jet fuel range (c8-c15) from biomass-derived carbohydrates: Described is a method for making a composition comprising alkanes. The composition is suitable for use as a liquid transportation fuel in general, and jet fuel in particular. The method includes dehydrating a feedstock solution comprising a carbohydrate, in the presence of an acid catalyst, to yield at least one... Agent: Intellectual Property Dept./dewitt Ross & Stevens Wisconsin Alumni Research Foundation

20090124840 - Extending the life of an aromatization catalyst: A method of extending the life of an aromatization catalyst comprising identifying a rapid deactivation threshold (RDT) of the catalyst, and oxidizing the catalyst prior to reaching the RDT. A method of aromatizing a hydrocarbon comprising identifying a rapid deactivation threshold (RDT) for an aromatization catalyst, and operating an aromatization... Agent: Chevron Phillips Chemical Company

20090124841 - Process and plant for producing c2-c4 olefins from methanol and/or dimethyl ether: In producing C2-C4 olefins, in particular propylene, from an educt mixture containing steam and oxygenates, such as methanol and/or dimethyl ether, the educt mixture is reacted in a reactor on a catalyst to a reaction mixture comprising low-molecular olefins and gasoline hydrocarbons, which in a first separating device is separated... Agent: Pauly, Devries Smith & Deffner, L.L.C.

20090124842 - Fcc catalyst for light olefin production: An improved cracking catalyst is disclosed for the production of propylene from a hydrocarbon feedstock. The process uses a catalyst blend comprising a large pore catalyst and a medium or small pore catalyst, where the medium or small pore catalyst includes a metal deposited on the medium or small pore... Agent: Honeywell International Inc Patent Services

  
05/07/2009 > patent applications in patent subcategories. archived by USPTO category

20090118556 - Zeolitic catalyst with a controlled doping element content, and improved process for processing hydrocarbon feeds: The present invention concerns doped catalysts on a mixed zeolite/alumino-silicate support with a low macropore content, and hydrocracking/hydroconversion and hydrotreatment processes employing them. The catalyst comprises at least one hydrodehydrogenating element selected from the group formed by elements from group VIB and group VIII of the periodic table and a... Agent: Millen, White, Zelano & Branigan, P.C.

20090118557 - Dehydrogenation of alkyl aromatics: Dehydrogenation of a reactor system of one or more vertically oriented flow reactors equipped with a system for introducing a catalyst extender into the inlet of the reactor. A vertically oriented radial flow reactor comprises inner and outer reactor tubes having perforated wall members extending longitudily of the reactor and... Agent: Fina Technology Inc

20090118558 - Dehydration process: A process for producing an olefin and/or an ether is described, which comprises heating an alcohol in the presence of an acidic ionic compound which exists in a liquid state at a temperature of below 150° C.... Agent: Nixon & Vanderhye, PC

20090118559 - Oxidic metal composition, its preparation and use as catalyst composition: Oxidic composition consisting essentially of oxidic forms of a first metal, a second metal, and optionally a third metal, the first metal being either Fe or Zn and being present in the composition in an amount of from about 5 to about 80 wt %, the second metal being Al... Agent: Albemarle Netherlands B.v. Patent And Trademark Department

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