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| Number | Title | Issue Date |
| 7381853 | Production of higher olefins A method of making a higher olefin product from a C4+ fraction separated from the hydrocarbon product produced by an oxygenate to olefin reaction unit. The C4+ fraction primarily contains butenes which may be directed to a... | 06/03/2008 |
| 7361794 | Zone reactor In a method of converting alkanes to their corresponding alcohols and ethers a vessel comprises a hollow, unsegregated interior defined first, second, and third zones. In a first embodiment of the invention oxygen reacts with metal bromide in the first zone to provi... | 04/22/2008 |
| 7319178 | Molecular sieve compositions, catalysts thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene. The catalyst composition comprises a mole... | 01/15/2008 |
| 7312369 | Attrition resistant molecular sieve catalyst, method of making and process for using This invention provides an attrition resistant metalloaluminophosphate molecular sieve catalyst composition, methods of making the catalyst composition and processes for using the catalyst composition. The metalloaluminophosphate molecular sieve catalyst composition... | 12/25/2007 |
| 7303660 | Electrochemical treatment of an aqueous solution A method and apparatus are provided for the electrochemical treatment of an aqueous solution in an electrolytic cell. Output solution having a predetermined level of available free chlorine is produced by applying a substantially constant current across the cell bet... | 12/04/2007 |
| 7253331 | Molecular sieve catalyst composition, its making and use in conversion processes The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a conversion process f... | 08/07/2007 |
| 7250150 | Chemical reactor with pressure swing adsorption A chemical reaction is performed with separation of the product(s) and reactant(s) by pressure swing adsorption (PSA), using an apparatus having a plurality of adsorbers cooperating with first and second valve assemblies in a PSA module. The PSA cycle is characteriz... | 07/31/2007 |
| 7250543 | Preparation of catalyst and use for high yield conversion of methane to ethylene A perovskite catalyst is prepared using a ceramic sol-sol methodology comprising preparing slurry in water of an alkaline earth metal salt, a powdered metal salt and a powdered transition metal oxide, adding a polymeric binder to form a paste, drying and comminuting... | 07/31/2007 |
| 7241713 | Molecular sieve catalyst composition, its making and use in conversion processes This invention provides methods of making molecular sieve catalyst particles, molecular sieve slurries that can be used in such methods, molecular sieve catalyst compositions and their use in catalytic hydrocarbon conversion processes. In one of its aspects, the inv... | 07/10/2007 |
| 7235510 | Catalysts A tethered ligand comprising the reaction product of an organofunctional silica and a ligand containing a functional group capable of reaction with said organofunctional silica, wherein the organofunctional silica is prepared from an alkyl silicate and an organofunc... | 06/26/2007 |
| 7230150 | Zone reactor In a method of converting alkanes to their corresponding alcohols, ethers, olefins, and other hydrocarbons, a vessel comprises a hollow, unsegregated interior defined first, second, and third zones. In a first embodiment of the invention oxygen reacts with metal hal... | 06/12/2007 |
| 7227049 | Ni catalysts and methods for alkane dehydrogenation Catalysts and methods for alkane oxydehydrogenation are disclosed. The catalysts of the invention generally comprise (i) nickel or a nickel-containing compound and (ii) at least one or more of titanium (Ti), tantalum (Ta), niobium (Nb), hafnium (Hf), tungsten (W), y... | 06/05/2007 |
| 7214844 | Molecular sieve catalyst compositions, its making and use in conversion processes The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular s... | 05/08/2007 |
| 7208647 | Process for the conversion of natural gas to reactive gaseous products comprising ethylene A process for converting natural gas to reactive gaseous products, comprising heating the gas through a selected range of temperature for sufficient time, or combusting a portion of the gas at a sufficient temperature and under suitable conditions for a reaction tim... | 04/24/2007 |
| 7176342 | Method for the preparation of hydrogenated hydrocarbons A method for the preparation of hydrogenated hydrocarbons comprising a preliminary treatment of natural gas with a catalyst at a high temperature and the subsequent hydrogenation of the mixture of cyclic and/or aromatic hydrocarbons formed. ... | 02/13/2007 |
| 7166267 | Solid solutions, applicable as catalysts, with perovskite structure comprising noble metals Materials with a perovskite structure in form of solid solutions with general formula: AzZr1−xBxO3 Where A is Ba or a rare earth element, B is Pt, Ir, Rh or Ce z is 1 when A is Ba and is ⅔ when A is a rare earth, x is ... | 01/23/2007 |
| 7160834 | Soluble group-10 α-diimine catalyst precursors, catalysts and methods for dimerizing and oligomerizing olefins This invention relates to late transition metal catalyst precursors and catalysts for olefin dimerizations and oligomerizations, and to methods for making and using these catalysts. ... | 01/09/2007 |
| 7161050 | Method and apparatus for synthesizing olefins, alcohols, ethers, and aldehydes A reactant selected from the group consisting of alkanes, alkenes, alkynes, dienes, and aromatics is reacted with a halide selected from the group including chlorine, bromine, and iodine to form a first reaction product. The first reaction product is reacted with a ... | 01/09/2007 |
| 7157533 | Process of obtaining an isoprene-enriched FCC C5 fraction and selective polymerization of isoprene from said fraction A process is described for obtaining from an “FCC” initial C5 fraction which is enriched with isoprene and purified and usable for the selective polymerization of isoprene. A process is also described for obtaining an isoprene homopolymer from a polymerization m... | 01/02/2007 |
| 7148390 | Integrated process for synthesizing alcohols, ethers, aldehydes, and olefins from alkanes Alcohols, ethers, aldehydes, and olefins are manufactured from alkanes by mixing an alkane and a halogen selected from the group including chlorine, bromine, and iodine in a reactor to form alkyl halide and hydrogen halide. The alkyl halide only or the alkyl halide ... | 12/12/2006 |
| 7145051 | Combined oxydehydrogenation and cracking catalyst for production of olefins A catalyst is provided comprising (1) at least one solid acid component, and (2) at least one metal-based component comprised of one or more element from Groups 1–3, one or more element from Groups 4–15 and one or more element from Groups 16 and 17 of the Period... | 12/05/2006 |
| 7125817 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Group 3 a... | 10/24/2006 |
| 7122494 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of two or more elements from Groups 4... | 10/17/2006 |
| 7122492 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Groups 1 ... | 10/17/2006 |
| 7122493 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises: (1) at least one solid acid component, (2) at least one metal-based compo... | 10/17/2006 |
| 7122495 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst system contains at least one solid acid component and at least one metal-based component which consists of (a) oxygen and/or sulfur and ... | 10/17/2006 |
| 7119240 | Method for converting natural gas to olefins A process for converting natural gas to an olefin includes heating the gas to a selected range of temperature to convert a fraction of the gas stream to reactive hydrocarbons, primarily ethylene or acetylene, and reacting with hydrogen in the presence of a catalyst ... | 10/10/2006 |
| 7097786 | Supported rhodium-spinel catalysts and process for producing synthesis gas Rhodium-spinel catalysts with activity for efficiently catalyzing the net partial oxidation of methane at high selectivities for CO and H2 products are disclosed, along with their method of making. A syngas production process employing such catalysts for ... | 08/29/2006 |
| 7094898 | Ruthenium compounds, their production and use A new class of compounds is disclosed that in preferred embodiments relate to Ru-based catalysts suitable for use in olefin metathesis reactions. Such compounds demonstrate high rates of catalytic turnover in comparison with other Ru catalysts known in the art. More... | 08/22/2006 |
| 7094384 | Combined methane decomposition and ammonia formation cell An ammonia synthesis process and apparatus are provided which are energy efficient and minimize greenhouse-gas-emission during the processing of natural gas and air. In the process a stream of natural gas is divided into two streams, one of which is mixed with air a... | 08/22/2006 |
| 7087794 | Oxygenate conversion in the presence of highly unsaturated compounds The present invention provides a process for treating a stream, say, an olefins stream, e.g., propylene, containing at least one ether, e.g., dimethyl ether, and/or at least one of an alkyne and an alkadiene, e.g., methyl acetylene and propadiene, typically present ... | 08/08/2006 |
| 7079304 | Structured fluid compositions for electrophoretically frustrated total internal reflection displays A structured fluid composition comprising: (a) a low refractive index liquid; (b) particles including light absorbing charged particles such as pigments, non-light absorbing uncharged particles such as teflon, sili... | 07/18/2006 |
| 7074971 | Recovery of ethylene and propylene from a methanol to olefin reaction system The present invention provides new highly-efficient separation processes and systems for separating polymerization-grade ethylene and propylene from an initial effluent stream comprising ethane, ethylene, propylene, dimethyl ether, and one or more of propane, acetyl... | 07/11/2006 |
| 7066972 | Continuous tracer generation apparatus The invention provides an apparatus for online and on-site tracer generation for tagging natural gas stored in underground storage fields wherein feedstock is drawn from a feedstock source. The feedstock undergoes initial analysis to determine hydrocarbon levels. Th... | 06/27/2006 |
| 7067455 | Copper modified catalysts for oxidative dehydrogenation Catalysts and methods useful for the production of olefins from alkanes via oxidative dehydrogenation (ODH) comprise at least one base metal and copper with an optional promoter. The catalyst preferably comprises a base metal and a copper-modified Groups 8, 9, or 10... | 06/27/2006 |
| 7037874 | Process for the preparation of porous crystalline silicoaluminophosphate molecular sieves The present invention relates to an improved process for the preparation of porous crystalline silicoaluminophosphate molecular sieves designated as SAPO-35. These molecular sieves are useful as catalysts in the transformation of hydrocarbons especially in the metha... | 05/02/2006 |
| 7033952 | Apparatus and method using a remote RF energized plasma for processing semiconductor wafers Chemical generator and method for generating a chemical species at a point of use such as the chamber of a reactor in which a workpiece such as a semiconductor wafer is to be processed. The species is generated by creating free radicals, and combining the free radic... | 04/25/2006 |
| 7025872 | Process for obtaining a feedstock that can be used in an etherification unit Process for obtaining a hydrocarbon fraction that can be used as a feedstock of an etherification unit and that contains a small amount of diene compounds, nitrogen-containing compounds and sulfur-containing compounds, starting from an initial hydrocarbon feedstock ... | 04/11/2006 |
| 7019182 | Method of hydrocarbon preservation and environmental protection Gas phase hydrocarbons resulting from the operation of offshore petroleum wells are converted into corresponding liquid products which are mixed with liquid phased hydrocarbons resulting from operation of the offshore petroleum well for delivery therewith. ... | 03/28/2006 |
| 7000427 | Process for cooling a product in a heat exchanger employing microchannels This invention relates to a process for cooling or liquefying a fluid product (e.g., natural gas) in a heat exchanger, the process comprising: flowing a fluid refrigerant through a set of refrigerant microchannels in the heat exchanger; and flowing the product throu... | 02/21/2006 |
