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| Number | Title | Issue Date |
| 8119006 | Ethanol stable epoxy amine based membrane for aromatics separation The present invention is directed to a membrane for aromatics separation that is stable in an alcohol containing environment. The polymeric membrane is a epoxy amine based membrane. ... | 02/21/2012 |
| 8051828 | Multiple fuel system for internal combustion engines A fuel management system mounted on a vehicle is operative to feed individually or a mixture of grades of relatively low, intermediate, and high autoignition temperature fuels to an associated internal combustion engine. The system includes an on board separation un... | 11/08/2011 |
| 8005645 | Application of abnormal event detection technology to hydrocracking units The present invention is a method for detecting an abnormal event for process units of a hydrocracking unit. The method compares the operation of the process units to a model developed by principle components analysis of normal operation for these units. If the diff... | 08/23/2011 |
| 7875402 | Proton conducting solid oxide fuel cell systems having temperature swing reforming The present invention provides an improvement in the process of producing energy from fuel cells. A cyclic reforming process, referred to as temperature swing reforming, provides an efficient means for producing a hydrogen containing synthesis gas for use in proton ... | 01/25/2011 |
| 7837979 | Synthesis of ITQ-12 A process for synthesizing the porous crystalline material ITQ-12 is disclosed and employs an organic directing agent having the formula: where n is an integer from 1 to 3 and Q− is an anion. The resultant ITQ-... | 11/23/2010 |
| 7815892 | Integration of hydrogen and power generation using pressure swing reforming The invention provides a method for generating power with a gas turbine which utilizes pressure swing reforming under conditions that facilitate CO2 capture. First a synthesis gas stream at a first pressure is produced in a pressure swing reformer. Next t... | 10/19/2010 |
| 7815873 | Controlled combustion for regenerative reactors with mixer/flow distributor The overall efficiency of a regenerative bed reverse flow reactor system is increased where the location of the exothermic reaction used for regeneration is suitably controlled. The present invention provides a method and apparatus for controlling the combustion to ... | 10/19/2010 |
| 7761172 | Application of abnormal event detection (AED) technology to polymers The present invention is a method and system for detecting an abnormal event for process units of a Polymers Unit. The method compares the operation of the process units to statistical, engineering or heuristic models. The statistical models are developed by princip... | 07/20/2010 |
| 7635462 | Method of making porous crystalline materials The present invention relates to new methods of making crystalline materials isostructural to ITQ-21, as well as to new crystalline materials obtainable by such methods, and their use in hydrocarbon conversion processes. In one of its aspects, the invention relates ... | 12/22/2009 |
| 7598487 | Micro-hydrocarbon analysis The present invention is a method to determine the composition of a hydrocarbon feedstream from a small sample of hydrocarbons including the steps analyzing the sample with a combination of chromatograph and mass spectrometer, and reconciling output from step a) wit... | 10/06/2009 |
| 7591879 | Integration of rapid cycle pressure swing adsorption with refinery process units (hydroprocessing, hydrocracking, etc.) The present invention is a method for operating a rapid cycling pressure swing adsorption (RCPSA) having a cycle time, T, to separate a feed gas into a non-adsorbed gas and tail gas. The method includes the steps of passing the feed gas having a purity of F % at hig... | 09/22/2009 |
| 7515781 | Fiber optic, strain-tuned, material alteration sensor The present invention includes a method and system of measuring alteration, alteration type, and alteration-causing species in process fluids and equipment and for controlling the process feeds and conditions to maximize the yields and equipment lifetime by minimizi... | 04/07/2009 |
| 7507328 | Selective hydrodesulfurization and mercaptan decomposition process with interstage separation A process for the selective hydrodesulfurization of olefinic naphtha streams containing a substantial amount of organically-bound sulfur and olefins. The olefinic naphtha stream is selectively desulfurized in a hydrodesulfurization reaction stage. The hydrodesulfuri... | 03/24/2009 |
| 7507327 | Desulfurizing organosulfur heterocycles in feeds with supported sodium Refractory or hard sulfur found in a hydrocarbon stream containing refractory sulfur heterocycle compounds, particularly those exhibiting steric hindrance, is removed from the stream by contacting it with a sodium reagent comprising a sodium component, having free s... | 03/24/2009 |
| 7503948 | Solid oxide fuel cell systems having temperature swing reforming The present invention provides an improvement in the process of producing energy from fuel cells. A cyclic reforming process, referred to as temperature swing reforming, provides an efficient means for producing a hydrogen containing synthesis gas for use in solid o... | 03/17/2009 |
| 7497895 | Membrane separation process The invention relates to an improved membrane pervaporation and vapor permeation system in which the vacuum is produced by a fluid passing through a Venturi-type nozzle. The fluid is chosen from solvents that have little or no affinity for the permeate molecules. It... | 03/03/2009 |
| 7491250 | Pressure swing reforming Synthesis gas is produced though a cyclic method where the first step of the cycle includes reforming a hydrocarbon feed over a catalyst to synthesis gas in a first zone of a bed and the second step reheats this first zone. A hydrocarbon feed is introduced to a bed ... | 02/17/2009 |
| 7481854 | Alkoxylated alkyl ester and alcohol emulsion compositions for fuel cell reformer start-up The present invention relates to emulsion compositions for starting a reformer of a fuel cell system. In particular, the invention includes emulsion compositions comprising hydrocarbon fuel, water and alkoxylated alcohol surfactants for starting a reformer of a fuel... | 01/27/2009 |
| 7447597 | Data processing/visualization method for two (multi) dimensional separation gas chromatography xmass spectrometry (GCxMS) technique with a two (multiply) dimensional separation concept as an example This invention is a data processing/visualization method which includes the software development and operation to apply to any multi-dimensional separation. The GC-MS analysis of diesel is an example to demonstrate this software development and operation. The steps ... | 11/04/2008 |
| 7442840 | Synthesis of severely sterically hindered amino-ether alcohols and diaminopolyalkenyl ethers using a high activity powder catalyst The present invention relates to a process for preparing severely sterically hindered secondary amine ether alcohols and diamine polyalkenyl ethers by reacting a primary amino compound with a polyalkenylether glycol in the presence of a high activity nickel powder h... | 10/28/2008 |
| 7429680 | Synthesis of sterically hindered secondary aminoether alcohols Severely sterically hindered secondary aminoether alcohols are prepared by reacting an organic carboxylic acid or alkali metal salt of an organic carboxylic acid with a sulfonyl halide, a sulfuryl halide, a mixed sulfuryl ester halide or a mixed sulfuryl amide halid... | 09/30/2008 |
| 7424395 | Application of abnormal event detection technology to olefins recovery trains The present invention is a method for detecting an abnormal event for process units of an ethylene processing system. The method compares the operation of the process units to a model developed by principal components analysis of normal operation for these units. If... | 09/09/2008 |
| 7420170 | Fourier transform infrared (FTIR) chemometric method to determine cetane number of diesel fuels containing fatty acid alkyl ester additives The present invention is a method to determine the cetane number of a diesel fuel containing a fatty acid alkyl ester including determining the infrared spectrum of the fuel and correlating the spectrum to the cetane number using a multivariate-based Mid-FTIR model.... | 09/02/2008 |
| 7413584 | Alkoxylated alkyl ester and alcohol emulsion compositions for fuel cell reformer start-up The present invention relates to emulsion compositions for starting a reformer of a fuel cell system. In particular, the invention includes emulsion compositions comprising hydrocarbon fuel, water and alkoxylated alcohol surfactants for starting a reformer of a fuel... | 08/19/2008 |
| 7407909 | Ex-situ reduction and dry passivation of noble metal catalysts A method of ex-situ activation and dry passivation of supported noble metal catalysts including the steps of reducing in the presence of hydrogen and dry passivation by cooling in an inert atmosphere and exposing to air or by filling the pores of the catalyst with a... | 08/05/2008 |
| 7339003 | Antioxidants and antioxidant boosters capable of producing hydroperoxyl radicals An antioxidant which comprises a primary aliphatic hydroxyl group linked to an organic backbone such that upon oxidation a hydroperoxyl moiety capable of boosting the efficacy of free radical scavengers and hydroperoxide decomposer type antioxidants is generated in ... | 03/04/2008 |
| 7255849 | EMM-3, new crystalline microporous material EMM-3 (ExxonMobil Material number 3) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms, the tetrahedral atom framework being defined by the interconnections between the tetrah... | 08/14/2007 |
| 7217304 | Electric power generation with heat exchanged membrane reactor This invention is directed to a heat exchanged membrane reactor for electric power generation. More specifically, the invention comprises a membrane reactor system that employs catalytic or thermal steam reforming and a water gas shift reaction on one side of the me... | 05/15/2007 |
| 7217303 | Pressure swing reforming for fuel cell systems The present invention provides an improvement in the process of producing hydrogen from hydrocarbon-containing streams. A cyclic reforming process, referred to as pressure swing reforming, provides an efficient means for producing a hydrogen containing synthesis gas... | 05/15/2007 |
| 7208078 | Diesel fuel formulation for reduced emissions The invention is directed to a method and formula for producing a fuel having reduced particulate emissions from an internal combustion engine. The fuel taught herein is characterized as having a cetane number ranging from about 45 to about 65, a T95 dist... | 04/24/2007 |
| 7148392 | Separation of 1-butene from Cfeed streams In a process for selectively separating 1-butene from a C4 feed stream comprising at least 1-butene, cis-2-butene and trans-2-butene, the feed stream is passed through a first bed of an adsorbent comprising a crystalline microporous material to form a sub... | 12/12/2006 |
| 7132180 | Alkyl sorbitan emulsion compositions for fuel cell reformer start-up The present invention relates to emulsion compositions for starting a reformer of a fuel cell system. In particular, the invention includes emulsion compositions comprising hydrocarbon fuel, water and alkyl sorbitan surfactants for starting a reformer of a fuel cell... | 11/07/2006 |
| 7117722 | Method for determining viscosity of water-in-oil emulsions Method to determine the viscosity of a water-in-oil emulsion that will be formed by an oil comprising organic acids when mixed with water comprising: determining the value of the expression: η ... | 10/10/2006 |
| 7107942 | Fuel composition supply means for spark ignition engines A fuel system for on-board vehicle fuel separation to supply engine fuel compositions formulated as a function of driving cycle conditions. The invention results in improvements in one or more of feed efficiency and combustion emissions. ... | 09/19/2006 |
| 7081143 | Alkoxylated triazine emulsion compositions for fuel cell reformer start-up The present invention relates to emulsion compositions for starting a reformer of a fuel cell system. In particular, the invention includes emulsion compositions comprising hydrocarbon fuel, water and alkoxylated triazine surfactants for starting a reformer of a fue... | 07/25/2006 |
| 7063752 | Grain refinement of alloys using magnetic field processing A method for refining the grain size of alloys which undergo ferromagnetic to paramagnetic phase transformation and an alloy produced therefrom. By subjecting the alloy to a timed application of a strong magnetic field, the temperature of phase boundaries can be shi... | 06/20/2006 |
| 7052597 | Tuning fuel composition for driving cycle conditions in spark ignition engines Tuning fuel composition delivered to a spark ignition, internal combustion engine as a function of driving cycle conditions results in improvements in one or more of fuel efficiency and combustion emissions. ... | 05/30/2006 |
| 7053128 | Hydrocarbon synthesis process using pressure swing reforming The invention provides a method for producing liquid hydrocarbons by first generating in a pressure swing reformer a synthesis gas stream having a mole ratio of H2:CO greater than 2:1. Then, a portion of the hydrogen is separated to produce a synthesis ga... | 05/30/2006 |
| 6852229 | Method for preparing high-purity ionic liquids A method for preparing a high-purity ionic liquid having a pH value of 7 and an elemental analysis deviation of less than 0.5 wt % between a calculated elemental analysis and a found elemental analysis for each of carbon, hydrogen and nitrogen, wherein the method co... | 02/08/2005 |
| 6830596 | Electric power generation with heat exchanged membrane reactor (law 917) This invention is directed to a heat exchanged membrane reactor for electric power generation. More specifically, the invention comprises a membrane reactor system that employs catalytic or thermal steam reforming and a water gas shift reaction on one side of the me... | 12/14/2004 |
