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| Number | Title | Issue Date |
| 8114678 | Multi-dimensional high performance liquid chromatographic separation technique (STAR7) for quantitative determinations of 7 fractions in heavy petroleum streams boiling above 550 degrees F The present invention provides quantitation of seven classes of compounds (saturates, 1-4+ ring aromatics, sulfides, and polars) present in petroleum streams boiling from 550-1050° F. Operating the present invention in the preparative mode will allow us to load and... | 02/14/2012 |
| 7349746 | System and method for abnormal event detection in the operation of continuous industrial processes Thousands of process and equipment measurements are gathered by the modern digital process control systems that are deployed in refineries and chemical plants. Several years of these data are historized in databases for analysis and reporting. These databases can be... | 03/25/2008 |
| 7160728 | Methods for optimal usage and improved valuation of corrosive petroleum feedstocks and fractions (law521) The invention is a method to improve the prediction of the corrosivity of organic acids in petroleum crudes, feedstocks and distillation fractions by providing a more accurate, repeatable, and rapid means of determining the TAN from the IR spectrum of the material. ... | 01/09/2007 |
| 7127959 | Process for assessing inhibition of petroleum corrosion The present invention is an apparatus for simulating corrosion activity in liquid and vapor/condensate corrosion environments. The apparatus includes a container, including a lower region containing the liquid and an upper region, including a condenser, a heater for... | 10/31/2006 |
| 7029570 | Disaggregation of asphaltenes in incompatible petroleum oil mixtures The thermal decomposition of Athabasca asphaltene at relatively low ( | 04/18/2006 |
| 6933719 | Fluid flow properties from acoustically stimulated NMR This invention is a method to measure fluid flow properties of a porous medium, including, but not limited to, the fluid flow permeability. In a preferred embodiment, the measurements are made down hole in drill wells exploring for hydrocarbons or acquifers. The mea... | 08/23/2005 |
| 6869803 | Method to quantitatively analyze conjugated dienes in hydrocarbon feeds and products as an indicator of fouling potential A method to quantify the conjugated dienes in a feedstream including the steps of dissolving 4-methyl-1,2,4-trazoline-3,5-dione (MTAD) in said feedstream, and determining the molar concentration of said conjugated dienes and/or the carbon number distribution of said... | 03/22/2005 |
| 6839137 | Asphaltene aggregation in petroleum oil mixtures determined by small angle light scattering The present invention includes a method to determine if asphaltenes are soluble or insoluble in a solution. The solution may be a petroleum oil, a mixture of petroleum oils, petroleum derived oils and mixtures or similar combinations in a solvent. The invention incl... | 01/04/2005 |
| 6787124 | Synthetic porous crystalline material, EMM-1, its synthesis and use A new synthetic porous crystalline material, designated EMM-1, is disclosed having, in its calcined form, the X-ray diffraction pattern of Table 2 above. Also disclosed are methods of making EMM-1 in the presence of HF using various organic nitrogen compounds as dir... | 09/07/2004 |
| 6735541 | Process unit monitoring program The present invention is a method to monitor and analyze the performance of a hydrocarbon-processing unit such as pipestill or hydrocracker unit. The invention includes the steps of collecting historical data relating to the hydrocarbon processing unit, from a proce... | 05/11/2004 |
| 6734129 | Zeolite membrane composites (LAW730) The invention is related to a zeolite membrane composite composition comprising a first zeolite or zeolite-like layer, a second independently selected catalytic, permselective, or combined catalytic-permselective layer, and a porous support, the porous support havin... | 05/11/2004 |
| 6709572 | Catalytic cracking process A catalytic cracking process for selectively producing C2 to C4 olefins is described in which a feedstock containing hydrocarbons having at least 5 carbon atoms is contacted, under catalytic cracking conditions, with a catalyst composition comp... | 03/23/2004 |
| 6662116 | Method for analyzing an unknown material as a blend of known materials calculated so as to match certain analytical data and predicting properties of the unknown based on the calculated blend A method for determining a property of an unknown material including the steps of determining the IR spectrum of the unknown material, fitting the IR spectrum to a linear combination of known spectra in a database, wherein a database includes spectra of r... | 12/09/2003 |
| 6653006 | System for fuel cell reformer start-up The invention includes a start-up system for providing fuel and water as an emulsion to the reformer of a fuel cell and for starting a fuel cell powered vehicle.... | 11/25/2003 |
| 6579331 | CO2-Selective membrane process and system for reforming a fuel to hydrogen for a fuel cell The present invention provides a CO2 -selective membrane process that is useful for the purification and/or water gas shift reaction of a reformed gas, generated from on-board reforming of a fuel, e.g., hydrocarbon, gasoline, diesel, methanol o... | 06/17/2003 |
| 6486373 | Shape selective zeolite catalyst and its use in aromatic compound conversion A shape-selective catalyst comprises a synthetic porous crystalline material having the structure of ZSM-5 and a composition involving the molar relationship: X2 O3 :(n)YO2, wherein X is a trivalent element, such as alumin... | 11/26/2002 |
| 6471852 | Phase-transfer catalyzed destruction of fouling agents in petroleum streams The present invention is a process to reduce the fouling of equipment for processing petroleum feedstreams. The fouling is reduced by reducing the presence of peroxides and hydroperoxides in the feedstream. The steps of the process include mixing the feed... | 10/29/2002 |
| 6471938 | Enhanced boro-aluminosilicate EU-1 (law 962) The instant invention is directed to a process for selectively removing detrital material from boro-aluminosilicate selected from EUO, NES and intergrown mixtures of EUO and NES boro-aluminosilicate topology zeolites having a Si/M ratio of greater than ab... | 10/29/2002 |
| 6471941 | Synthetic porous crystalline material ITQ-13, its synthesis and use A new synthetic porous crystalline material, designated ITQ-13, is disclosed having, in its calcined form, the X-ray diffraction pattern of Table 2 above. Also disclosed are methods of making ITQ-13 in its silicate and borosilicate forms in the presence o... | 10/29/2002 |
| 6471939 | Synthetic porous crystalline material ITQ-12, its synthesis and use A new synthetic porous crystalline material, designated ITQ-12, is disclosed having, in its calcined form, the X-ray diffraction pattern of Table 2 herein. Also disclosed are methods of making ITQ-12 in its silicate, aluminosilicate and borosilicate forms... | 10/29/2002 |
| 6420063 | Mesoporous oxide compositions and solid oxide fuel cells The invention discloses methods of producing thermally stable mesoporous transition metal oxide compositions by aqueous co-assembly of glycometallates and metal complexes with a surfactant template, without the necessity of the use of stabilizers. Mesopor... | 07/16/2002 |
| 6362123 | Noble metal containing low acidic hydrocracking catalysts A hydrocracking catalyst is provided that includes a crystalline molecular sieve material component having a faujasite structure and an alpha acidity of less than 1, preferably 0.3 or less, and a dispersed Group VIII noble metal component. The extremely l... | 03/26/2002 |
| 6245223 | Selective adsorption process for resid upgrading (law815) The present invention is a process to remove a major portion of metals and coke precursors from a hydrocarbon stream. The steps of the process include contacting the feedstream with a hydrocarbon insoluble adsorbent, recovering the oil which does not adso... | 06/12/2001 |
| 6223133 | Method for optimizing multivariate calibrations The present invention is a method for optimizing multivariate calibrations such as those used on FT-IR analyzers. The method involves the selection of an optimum subset of samples to use in the calibration from a larger set of available samples. The subse... | 04/24/2001 |
| 6210560 | Mitigation of fouling by thermally cracked oils (LAW852) The present invention is a method for mitigating the fouling from thermally cracked oils by minimizing the residence time at the temperature when the fouling is highest.... | 04/03/2001 |
| 6210559 | Use of 13C NMR spectroscopy to produce optimum fischer-tropsch diesel fuels and blend stocks The present invention is a process for producing a distillate fuel heavier than gasoline. The process is a Fischer-Tropsch (hydrocarbon synthesis) process that includes using 13 C NMR to measure cetane number and a cold flow property in order t... | 04/03/2001 |
| 6171471 | Heavy oil upgrading process (LAW813) The present invention is a slurry-type process for upgrading heavy oils to FCC and S/C feeds under temperature and pressure conditions similar to MSHP, but employing catalysts in concentrations small enough (e.g., | 01/09/2001 |
| 6156946 | Biological activation of aromatics for chemical processing and/or upgrading of aromatic compounds, petroleum, coal, resid, bitumen and other petrochemical streams The present invention is a process for transforming aromatic organic compounds and resource materials. The process includes the steps of contacting an organic material selected from the group consisting of single and/or multi-ring aromatic compounds and a... | 12/05/2000 |
| 6099621 | Membranes comprising aminoacid salts in polyamine polymers and blends The present invention is directed toward a composition comprising a polyamine or its polymer blend and at least one salt of an aminoacid, the salt of the aminoacid being present in an amount ranging from about 10 to 80 wt % based on the total weight of th... | 08/08/2000 |
| 6093311 | CO2 treatment to remove +2 ionic metal from crude The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting feed with carbon dioxide at a temperature between 40° C. and 200° C. and autogenous pressure. In a preferred embodiment the meta... | 07/25/2000 |
| 6048904 | Branched alkyl-aromatic sulfonic acid dispersants for solublizing asphaltenes in petroleum oils The present invention is an asphaltene dispersant containing an aromatic, a sulfonic acid head, and an alkyl tail containing 16 carbons or more and at least one branch of a methyl or longer alkyl. Preferably, the aromatic is a fused two ring aromatic and ... | 04/11/2000 |
| 5997723 | Process for blending petroleum oils to avoid being nearly incompatible The present invention includes a process for blending two or more petroleum oils, any component of which may be an unprocessed crude oil or a processed oil derived from petroleum, in a manner to minimize fouling and coking of refinery process equipment. T... | 12/07/1999 |
| 5976491 | Synthesis of and composition of ECR-40, large pore aluminophosphate The present invention is a large-pore aluminophosphate or substituted aluminophosphate comprising a composition aR:(Mx Aly Pz)O2 wherein R represents an organic templating agent, and a=0 to 0.4, X=0 to 0.4, y=0.35 to... | 11/02/1999 |
| 5976360 | Viscosity reduction by heat soak-induced naphthenic acid decomposition in hydrocarbon oils The viscosity of hydrocarbon feeds in reduced from crudes or crude by thermal treatment.... | 11/02/1999 |
| 5974887 | Method for determining operating status of liquid phase gas-phase interaction columns The present invention is a non-intrusive method to determine the flow state or voidage in an apparatus that interacts a gas phase with a liquid phase. The flow state or voidage is determined by relating them to wall vibrations.... | 11/02/1999 |
| 5976358 | Removal of +2 ion charged metal dissolved in a petroleum feed The present invention is a process to remove a +2 ionic charged metal from a petroleum feed. The process includes contacting the feed with a resin that includes carboxyl, sulfonic and/or phosphonic groups. In a preferred embodiment the metal is a Group II... | 11/02/1999 |
| 5910440 | Method for the removal of organic sulfur from carbonaceous materials A process to remove organic sulfur from organic compounds and organic carbonaceous fuel substrates containing sulfur compounds having sulfur-carbon bonds is disclosed. The steps of the process include oxidizing the sulfur species to the sulfone and/or sul... | 06/08/1999 |
| 5895506 | Use of infrared spectroscopy to produce high lubricity, high stability, Fischer-Tropsch diesel fuels and blend stocks The present invention is a method for controlling a process for producing a distillate fuel heavier than gasoline. The process includes several different fractions, streams, including alcohols, olefins, and acids. At least one of the streams is irradiated... | 04/20/1999 |
| 5871634 | Process for blending potentially incompatible petroleum oils The present invention includes a method for blending two or more petroleum feedstreams, petroleum process streams, or combination thereof, at least one of which includes the solute asphaltenes so that the asphaltenes remains a solute. The blending method ... | 02/16/1999 |
| 5820750 | Thermal decomposition of naphthenic acids Petroleum acids, e.g., naphthenic acids, are removed from crudes or crude fractions by thermal treatment.... | 10/13/1998 |
