Chemistry of hydrocarbon compounds inventions 01/07

20070021636 - Process to upgrade kerosenes and a gasoils from naphthenic and aromatic crude petroleum sources: A process to prepare a kerosene and a gasoil product from a crude petroleum source having a Watson characterization factor K value of equal or below 12.0 by (a) isolation of a petroleum derived kerosene fraction and a petroleum derived gasoil fraction from said crude petroleum source, wherein the petroleum... Agent: Shell Oil Company

20070021637 - Absorption and conversion of acetylenic compounds: A method for the absorption of alkynes and diolefins from an ethylene or propylene containing stream with conversion to alkenes by catalytic hydrogenation in a solvent over a fixed bed comprising a supported catalyst.... Agent: Conley Rose, P.C.

20070021638 - Process for liquid phase hydrogenation: A process and catalyst for the liquid phase selective hydrogenation of alkynes to alkenes with high selectivity to alkenes relative to alkanes, high alkyne conversion, and sustained catalytic activity comprising a reactant comprising an alkyne and a non-hydrocarbon solvent/absorbent, contacting the reactant stream with a hydrogen-containing stream in the presence... Agent: Conley Rose, P.C.

20070015945 - Process for preparing a gas oil by oligomerization: 1) oligomerizing an olefinic C2-C12 hydrocarbon cut, preferably C3-C7 and more preferably C3-C5; 2) separating the mixture of products obtained in step 1) into three cuts: a light cut containing unreacted C4 and/or C5 olefinic hydrocarbons, an intermediate cut having a T95 in the range 200-220° C. and a heavy... Agent: Millen, White, Zelano & Branigan, P.C.

20070015946 - Process for the preparation of substituted fluorenes: Methods for the preparation of fluorenyl-type ligand structures and substituted fluorenyl groups which may be employed in metallocene-type olefin polymerization catalysts. There is provided a 2,2′-dihalogen-diphenylmethylene having a methylene bridge connecting a pair of phenyl groups. Each phenyl group has a halogen on a proximal carbon atom relative to the... Agent: Fina Technology Inc

20070015947 - Production of olefins from biorenewable feedstocks: A process for producing olefins from biorenewable feedstocks has been developed. The process comprises first pretreating the feedstock, e.g. vegetable oil, to remove contaminants such as alkali metals and then cracking the purified feedstock in a fluidized catalytic cracking (FCC) zone operated at conditions to provide C2-C5 olefins.... Agent: Honey Well Intellectual Property Inc Patent Services

20070010698 - Catalyst and process for the preparation of linear alkanes: The present invention relates to a catalytic composition comprising at least one lanthanide, at least one metal belonging to group VIII B and a zeolite selected from zeolite Y and zeolite Y modified by the partial or total substitution of Si with Ti or Ge and/or the partial or total... Agent: C. Irvin Mcclelland Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070010699 - Process for production of light olefins from hydrocarbon feedstock: Disclosed is a process for producing light olefins from hydrocarbon feedstock. The process is characterized in that a porous molecular sieve catalyst consisting of a product obtained by evaporating water from a raw material mixture comprising a molecular sieve with a framework of Si—OH—Al— groups, a water-insoluble metal salt, and... Agent: Darby & Darby P.C.

20070004945 - Method for excluding salt and other soluble materials from produced water: A method for reducing the salinity, as well as the hydrocarbon concentration of produced water to levels sufficient to meet surface water discharge standards. Pressure vessel and coflow injection technology developed at the Oak Ridge National Laboratory is used to mix produced water and a gas hydrate forming fluid to... Agent: Ut-battelle, LLC Office Of Intellectual Property

20070004946 - Process for removal of alkynes and/or dienes from an olefin stream: The present invention is a process for removing alkynes and/or dienes from an olefin product stream withdrawn from an oxygenate-to-olefins reactor. The process comprises hydrogenating a first olefin stream that has alkynes and/or dienes in the presence of excess hydrogen and a first hydrogenation catalyst. The hydrogenation of the first... Agent: Exxonmobil Chemical Company Law Technology

20070004948 - Selective aromatics isomerization process: A process for isomerizing xylenes while retaining ethylbenzene in a C8-aromatics stream in liquid phase uses a gallium-substituted pentasil zeolite in the absence of hydrogen.... Agent: Honey Well Intellectual Property Inc Patent Services

20070004947 - 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 improved... Agent: Honey Well Intellectual Property Inc Patent Services

20070004949 - Gas-solids separation device and method: A multi-stage gas-solids separator having at least 4 stages is configured so that the penultimate stage of separators is operated in an underflow condition. The underflow from the penultimate stage is used as the input flow for the final stage of separators. The multi-stage separator is preferably composed of cyclone... Agent: Exxonmobil Chemical Company

20070004950 - Enhancement of molecular sieve performance: A catalyst for converting methanol to light olefins and the process for making and using the catalyst are disclosed and claimed. SAPO-34 is a specific catalyst that benefits from its preparation in accordance with this invention. A seed material is used in making the catalyst that has a higher content... Agent: Honey Well Intellectual Property Inc Patent Services

20070004951 - Methods for recovering activity of molecular sieve catalysts: The invention is directed to a method of rejuvenating silicoaluminophosphate molecular sieve catalyst that has been deactivated hydrothermally as well as a method of using the rejuvenated catalyst to make an olefin product from an oxygenate feed. In particular, the invention is directed to rejuvenating the catalyst by contacting it... Agent: Honey Well Intellectual Property Inc Patent Services

20070004952 - Steam cracking of partially desalted hydrocarbon feedstocks: A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is partially desalted, e.g., by passing through a centrifugal separator, heated, then separated into a vapor phase and a liquid phase by flashing in a flash/separation vessel, separating and... Agent: Exxonmobil Chemical Company

20070004953 - Protection of solid acid catalysts from damage by volatile species: The invention provides a method to avoid catalyst damage and achieve longer catalyst life by selecting appropriate materials for reactor spacers, liners, catalyst binders, and supports, in particular, by not using crystalline silica-containing and high phosphorus-containing materials, if the presence of even small amount of steam is anticipated. In addition,... Agent: Honey Well Intellectual Property Inc Patent Services

20070004954 - Method for producing liquefied petroleum gas: A liquefied petroleum gas containing propane or butane as a main component is produced by passing a raw material gas comprising hydrogen and at least one selected from the group consisting of methanol and dimethyl ether through a catalyst layer comprising, in the direction of flowing of the raw material... Agent: Knobbe Martens Olson & Bear LLP

20070004955 - Process for preparing branched chain hydrocarbons: The present invention relates to a process for the production of branched chain hydrocarbons from methanol and/or dimethyl ether, which process comprises contacting, in a reactor, methanol and/or dimethyl ether with a catalyst comprising indium halide.... Agent: Nixon & Vanderhye, PC

20070004956 - Purification process of aromatics: Process for reduction of bromine index in aromatics, comprising the steps of: (VI) feeding an aromatics feed stream to a distillation column; (VII) subjecting the aromatics feed stream to a distillation process; (VIII) withdrawing an overhead stream and/or product stream from the column; (IX) subjecting at least a part of... Agent: Sabic Americas, Inc.