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| Number | Title | Issue Date |
| 7959797 | Systems and methods of producing a crude product Contact of a crude feed with one or more catalysts containing a transition metal sulfide produces a total product that includes a crude product. The crude feed has a residue content of at least 0.2 grams of residue per gram of crude feed. The crude product is a liqu... | 06/14/2011 |
| 7314602 | Contact, mixing, and quenching box for fluids, comprising at least one annular peripheral outlet and reaction cell with an elongated shape along an axis including said box Contact, mixing, and often quenching box (8), with main dimension (D) and height (H7), comprising at least one duct section (B1) located on the upper part of said box (8) for entry of fluids in which said box (8) comprises, downstr... | 01/01/2008 |
| 7268097 | Desulfurizing agent for hydrocarbon derived from petroleum, method for producing hydrogen for use in fuel cell and method for producing nickel-based desulfurizing agent A desulfurizing agent comprising a silica-alumina carrier having an Si/Al mole ratio of 10 or less and nickel carried thereon; a desulfurizing agent for hydrocarbons derived from petroleum which comprises a carrier and a metal component carried thereon and has a spe... | 09/11/2007 |
| 7238329 | Device for injecting a fluid located between two successive beds to simultaneously produce and distribute a polyphase mixture A device located between two successive granular beds (203) and (205) for injecting a secondary fluid can produce and distribute a polyphase mixture between said secondary fluid and a fluid or mixture of fluids originating from the upper granular bed a... | 07/03/2007 |
| 7196034 | Nickel-iron-silica-alumina The invention is directed to a catalyst suitable for the hydrogenation of hydrocarbon resins, comprising a supported nickel on silica and alumina catalyst, said catalyst having a nickel content of 45 to 85 wt. %, a silicon content, calculated as SiO2, of ... | 03/27/2007 |
| 6974535 | Hydroconversion process for making lubricating oil basestockes A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone, and a lubr... | 12/13/2005 |
| 6740226 | Process for increasing hydrogen partial pressure in hydroprocessing processes In a hydrocracking unit, the flash gases from the high-pressure separator are fed to the bottom of an absorption zone where the entering gases are counter-currently contacted with a lean solvent. The lean solvent absorbs away the contained methane, ethane, propane, ... | 05/25/2004 |
| 6669872 | Electrical insulating oil with reduced gassing tendency An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing te... | 12/30/2003 |
| 6635170 | Hydroprocessing process with integrated interstage stripping This invention relates to a two stage hydroprocessing process with stripping zones between the hydroprocessing zones and following the last hydroprocessing zone. The stripping occurs at high pressure and temperature with no disengagement between or follow... | 10/21/2003 |
| 6579443 | Countercurrent hydroprocessing with treatment of feedstream to remove particulates and foulant precursors A process for upgrading a liquid petroleum or chemical stream wherein said feedstream flows countercurrent to the flow of a treat gas, such as a hydrogen-containing gas, in at least one reaction zone. The feedstream is treated so that it is substantially ... | 06/17/2003 |
| 6416655 | Selective extraction using mixed solvent system A method for concentrating the amount of alkylated mono-aromatics in a lubricating oil feedstock useful as a feedstock for sulfonation. The method comprises extracting a feedstock rich in aromatics with a solvent selected from NMP, phenol and furfural, sa... | 07/09/2002 |
| 6413413 | Hydrogenation process A process for hydrodesulfurization in which gasoline boiling range petroleum feed and hydrogen are contacted in a reactor with a fixed bed hydrodesulfurization catalyst at an WHSV of greater than 6, pressure of less than 300 psig and temperature of 300 to... | 07/02/2002 |
| 6409910 | Process for treating gas or liquids that are obtained from catalytic reforming The invention relates to a process for eliminating halogenated compounds that are contained in a gas or a liquid that comprises hydrogen and unsaturated hydrocarbons, in which the gas or the liquid is successively brought into contact with: at least one c... | 06/25/2002 |
| 6315920 | Electrical insulating oil with reduced gassing tendency An electrical oil having reduced gassing tendency includes a major amount of a paraffinic or naphthenic basestock and a blend of certain hindered phenols, especially a blend of 2,6-di-t-butyl phenol and 2,6-di-t-butyl cresol. A further enhanced gassing te... | 11/13/2001 |
| 6306289 | Catalyst for hydrogenation treatment and method for hydrogenation treatment of hydrocarbon oil A hydrotreating catalyst having both a high desulfurization activity and a denitrogenation activity and a method of hydrotreating a hydrocarbon oil using the same is provided. A hydrotreatment catalyst comprising a silica-alumina carrier loaded with at le... | 10/23/2001 |
| 6267874 | Hydrotreating catalyst and processes for hydrotreating hydrocarbon oil with the same The present invention relates to a hydrotreating catalyst composed of a carrier having a Brønsted acid content of at least 50 μmol/g such as a silica-alumina carrier or a silica-alumina-third component carrier, in which the silica is dispersed to high d... | 07/31/2001 |
| 6190540 | Selective purging for hydroprocessing reactor loop A process for hydroprocessing a fluid stream containing at least hydrogen and hydrocarbons. The process uses a hydrocarbon-selective membrane to reduce the concentration of hydrocarbons and contaminants in the hydrogen stream recycled to the hydroprocessi... | 02/20/2001 |
| 6187176 | Process for the production of medicinal white oil A three stage process for producing high quality white oils, particularly food grade mineral oils from mineral oil distillates. The first reaction stage preferably employs a sulfur resistant hydrotreating catalyst and produces a product suitable for use a... | 02/13/2001 |
| 6171472 | Selective purge for reactor recycle loop Processes and apparatus for providing improved contaminant removal and hydrogen reuse in reactors, particularly in refineries and petrochemical plants. The improved contaminant removal is achieved by selective purging, by passing gases in the reactor recy... | 01/09/2001 |
| 6156190 | Conversion process of hydrocarbon oils A conversion process of hydrocarbon oils comprises at least a hydrodemercaptanization process, wherein said hydrodemercaptanization process comprises contacting a feedstock with a hydrofining catalyst containing a tungsten oxide and/or a molybdenum oxide,... | 12/05/2000 |
| 6080302 | Method for making a process oil by using aromatic enrichment with extraction followed by single stage hydrofinishing (LAW764) A method for producing a process oil is provided in which an aromatic extract oil is added to a paraffinic rich feed to provide a blended feed. The blended feed is then extracted with an aromatic extraction solvent to yield a raffinate which subsequently ... | 06/27/2000 |
| 5972202 | Hydrotreating of heavy hydrocarbon oils with control of particle size of particulate additives A process is described for controlling the size of additive or catalyst particles mixed with heavy hydrocarbon oil feedstock containing asphaltenes and metals and being subjected to hydrotreating. A slurry feed of a mixture of the heavy hydrocarbon oil fe... | 10/26/1999 |
| 5954941 | Jet engine fuel and process for making same The invention concerns a jet engine fuel having the following characteristics: i) distilling range from 140 to 300° C.; ii) cis-decalin/trans-decalin ratio greater than 0.2; iii) aromatics content less than 22% by volume; iv) sulfur content less than 100 ppm, and ... | 09/21/1999 |
| 5951847 | Catalytic dehazing of lubricating base oils A process for catalytically dehazing lubricating base oils is disclosed, which comprises contacting the lubricating base oil in the presence of hydrogen with a catalyst comprising naturally occurring and/or synthetic ferrierite which ferrierite has been m... | 09/14/1999 |
| 5944983 | Hydrotreating catalyst and hydrotreating process of hydrocarbon oil by using the same This invention relates to a hydrotreating catalyst for a hydrocarbon oil and also to a process for hydrotreating the hydrocarbon oil by using the catalyst. More specifically, the present invention is concerned with a hydrotreating catalyst formed by havin... | 08/31/1999 |
| 5928502 | Process for reducing total acid number of crude oil The invention comprises a method for reducing the amount of carboxylic acids in petroleum feeds comprising the steps of (a) adding to said petroleum feed a catalytic agent comprising an oil soluble or oil dispersible compound of a metal selected from the ... | 07/27/1999 |
| 5914030 | Process for reducing total acid number of crude oil The invention comprises a method for reducing the amount of carboxylic acids in petroleum feeds comprising the steps of (a) adding to said petroleum feed a catalytic agent comprising an oil soluble or oil dispersible compound of a metal selected from the ... | 06/22/1999 |
| 5906731 | Process for hydroprocessing hydrocarbons A hydroprocess catalyzed by a catalyst composition comprising a porous refractory oxide, a molybdenum component, a phosphorus component and an underbedded nickel component, the composition characterized by a Raman spectrum comprising at least one Raman ba... | 05/25/1999 |
| 5846405 | Process oils and manufacturing process for such using aromatic enrichment and two pass hydrofinishing A method for producing a process oil is provided in which an aromatic extract oil is added to a napthenic rich feed. The combined feed is then hydrotreated in a first hydrotreating stage to convert at least a portion of sulfur and nitrogen in the feed to ... | 12/08/1998 |
| 5840175 | Process oils and manufacturing process for such using aromatic enrichment with extraction followed by single stage hydrofinishing A method for producing a process oil is provided in which an aromatic extract oil is added to a naphthenic rich feed to provide a blended feed. The blended feed is then extracted with an aromatic extract solvent to yield a raffinate which subsequently is ... | 11/24/1998 |
| 5744025 | Process for hydrotreating metal-contaminated hydrocarbonaceous feedstock The present invention provides a process for hydrotreating a metal-contaminated hydrocarbonaceous feedstock of which at least 60% wt. boils at a temperature 370° C., the process comprising contacting the feedstock at elevated temperature and elevated pre... | 04/28/1998 |
| 5609206 | Plant derived catechol complexes and processes Plant derived catechol complexes are useful in a wide variety of applications and compositions, particularly, processes for the recovery of hydrocarbons from hydrocarbon bearing reservoirs, the recovery of precious metals from difficult to process ores an... | 03/11/1997 |
| 5575334 | Copper and zinc recovery process from sulfide ores A process for recovering at least one of copper or zinc metal from an ore containing metal sulfide material is disclosed. The process involves the use of promoting amounts of certain plant derived ortho-quinone and/or catechol iron complexes containing co... | 11/19/1996 |
| 5565092 | Halogen resistant hydrogenation process and catalyst A process has been developed for decolorizing (and/or hydrogenating, and/or dehalogenating) a halogen containing unsaturated feedstock and/or polymeric resins. The process has the advantage of being substantially less affected by prolonged exposure to hal... | 10/15/1996 |
| 5554275 | Catalytic hydrodesulfurization and stripping of hydrocarbon liquid A method and operating technique for treating organosulfur compound-containing aliphatic streams by introducing the light hydrocarbon stream at a top portion of a vertical stripping tower having an upper catalytic contact zone containing a bed of solid hy... | 09/10/1996 |
| 5554274 | Manufacture of improved catalyst This invention relates the use of a catalyst composition having the structure of ZSM-5 and a matrix material, which has been manufactured by a new and useful method, for organic compound, e.g., hydrocarbon compound, conversion. The organic compound conver... | 09/10/1996 |
| 5482118 | Process for recovering hydrocarbon A process for recovering hydrocarbons from a subterranean hydrocarbon-bearing reservoir comprising: contacting the reservoir with at least one plant derived aromatic containing component having ortho-quinone functionality in an amount effective to promote... | 01/09/1996 |
| 5457252 | Catalyst composition for the selective hydrogenation of benzene and process for such hydrogenation A novel catalyst has been provided for the selective hydrogenation of benzene in gasoline. The catalyst mixture comprises a water-soluble, organo-metallic, selective benzene hydrogenation catalyst comprising catalytically-active mixture of (A) M[L]x | 10/10/1995 |
| 5312543 | Resid hydrotreating using solvent extraction and deep vacuum reduction A resid hydrotreating process hydrotreats a resid bottoms fraction from the reduction of crude oil. The hydrotreated bottoms fraction is then subjected to deep vacuum reduction and in some cases deasphalted by solvent extraction to produce an oil suitable... | 05/17/1994 |
| 5254763 | Catalyst and process for the selective hydrogenation of benzene A novel process is provided for the selective hydrogenation of benzene in a solution of gasoline and other aromatic organic compounds. The process includes the steps of carrying out the catalytic hydrogenation in a hydrogenation zone at a temperature of a... | 10/19/1993 |
