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| Number | Title | Issue Date |
| 8110091 | Process for the conversion of feedstocks resulting from renewable sources for producing gas oil fuel bases with a low sulphur content and with an improved cetane number The invention relates to a process for the treatment of heavy petroleum feedstocks in order to produce a gas oil fraction having a sulphur content of less than 50 ppm and generally 10 ppm which comprises the following stages: e) mild hydrocracking in a ... | 02/07/2012 |
| 7867379 | Production of an upgraded stream from steam cracker tar by ultrafiltration This invention relates to a process of producing an upgraded product stream from steam cracker tar feedstream suitable for use in refinery or chemical plant processes or for utilization in fuel oil sales or blending. This process utilizes an ultrafiltration process ... | 01/11/2011 |
| 7591940 | Combination hydrocracking process for the production of ultra low sulfur diesel A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone eff... | 09/22/2009 |
| 7462275 | Process for conversion of hydrocarbons to saturated LPG and high octane gasoline The present invention relates to a process for the conversion of hydrocarbon streams with 95% true boiling point less than 400° C. to very high yield of liquefied petroleum gas in the range of 45-65 wt % of feed and high octane gasoline, the said process comprises ... | 12/09/2008 |
| 7427349 | Fuels hydrocracking and distillate feed hydrofining in a single process The present invention relates to the field of hydroprocessing, and more particularly relates to a process directed to fuels hydrocracking and distillate feed hydrofining. This process has at least two stages. A relatively unconverted hydrofined product may be remove... | 09/23/2008 |
| 7402236 | Process to make white oil from waxy feed using highly selective and active wax hydroisomerization catalyst A process for producing one or more white oils, by: a) hydroisomerization dewaxing a waxy feed with a defined composition over a highly selective and active wax hydroisomerization catalyst with a defined composition under conditions sufficient to produce a white oil... | 07/22/2008 |
| 7371315 | Flexible method for producing oil bases and distillates by hydroisomerization-conversion on a weakly dispersed catalyst followed by a catalyctic dewaxing A process for production of very high-quality base oils, and simultaneous production of high-quality middle distillates, comprises the successive stages of hydroisomerization and catalytic dewaxing. The hydroisomerization takes place in the presence of a catalyst co... | 05/13/2008 |
| 7351327 | Process for the selective desulfurization of a mid range gasoline cut A process for concurrently fractionating and treating a full range naphtha stream. The full boiling range naphtha stream is first subjected to simultaneous thioetherification and splitting into a light boiling range naphtha, an intermediate boiling range naphtha and... | 04/01/2008 |
| 7347928 | Process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade from the bottoms fraction of a fuels hydrocracking process A process to prepare a spindle oil, light machine oil and a medium machine oil base oil grade by: (a) performing a separate catalytic dewaxing on a spindle oil fraction, a light machine oil fraction and a medium machine oil fraction as obtained in a vac... | 03/25/2008 |
| 7344633 | Process to prepare a base oil having a high saturates content A process to prepare a base oil having a saturates content of more than 90 wt %, a sulphur content of less than 0.03 wt %, and, a viscosity index of between 80 and 120 from a solvent refined base oil feedstock, which process comprises: (a) contacting th... | 03/18/2008 |
| 7300565 | Process to prepare a microcrystalline wax and a middle distillate fuel The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compound... | 11/27/2007 |
| 7288181 | Producing low sulfur naphtha products through improved olefin isomerization The instant invention relates to a process to produce high octane, low sulfur naphtha products through the removal of basic nitrogen-containing compounds with subsequent skeletal isomerization of feed olefins and hydrotreating. ... | 10/30/2007 |
| 7282138 | Multistage removal of heteroatoms and wax from distillate fuel A distillate fuel feed is hydrotreated to remove heteroatoms and then separated into light and heavy hydrotreated fractions, with the heavy fraction catalytically dewaxed to improve low temperature properties. The hydrotreating and dewaxing are conducted in separate... | 10/16/2007 |
| 7282137 | Process for preparing basestocks having high VI A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an... | 10/16/2007 |
| 7282134 | Process for manufacturing lubricating base oil with high monocycloparaffins and low multicycloparaffins A process for manufacturing a lubricating base oil by: a) performing Fischer-Tropsch synthesis on syngas to provide a product stream; b) isolating from said product stream a substantially paraffinic wax feed having less than about 30 ppm total nitrogen and sulfur, a... | 10/16/2007 |
| 7276151 | Gas turbine fuel oil and production method thereof and power generation method Feed oil is subject to atmospheric distillation, to thereby be separated into light oil or light distillate and atmospheric residue oil. The light distillate is catalytically contacted with pressurized hydrogen in the presence of a catalyst, resulting in a first hyd... | 10/02/2007 |
| 7270737 | Process for desulfurization comprising a stage for selective hydrogenation of diolefins and a stage for extraction of sulfur-containing compounds For desulfurization of a hydrocarbon-containing feedstock, at least one stage for selective hydrogenation of diolefins present in the initial hydrocarbon feedstock, in the presence of a catalyst of group VIII of the period table, and a stage for extraction by a solv... | 09/18/2007 |
| 7261809 | Process for ultra low sulfur gasoline A process for removing organic sulfur compounds from heavy boiling range naphtha in a dual purpose reactor wherein the heavy boiling range naphtha is fed downflow over a fixed bed of hydrodesulfurization zone and then treated with hydrogen in a hydrodesulfurization ... | 08/28/2007 |
| 7250107 | Flexible method for producing oil bases and distillates from feedstock containing heteroatoms For producing basic oils and in particular very high quality oils, i.e. oils possessing a high viscosity index (VI), a low aromatics content, good UV stability and a low pour point, from oil cuts having an initial boiling point higher than 340° C., possibly with si... | 07/31/2007 |
| 7244364 | FCC-CFD cat' fine desalting: a method and system for separating hydrocarbons and extracting catalyst fines from a slurry oil/catalyst fines/diluent mixture The present invention comprises a method for separating hydrocarbons from catalyst fines in a slurry oil/catalyst fines/diluent mixture (SCDM) comprising the steps of removing SCDM from a slurry oil storage tank and combining the SCDM with crude oil entering a desal... | 07/17/2007 |
| 7238274 | Combined hydrotreating and process First (210) and second (240) feedstocks are hydrotreated in an integrated hydrogenation plant (200) using a hot separator (230) that provides a vapor stream containing at least some of the hydrotreated first feedstock (210), wherei... | 07/03/2007 |
| 7238275 | Combined hydrotreating process and configurations for same At least two feedstocks (210A) (210B) with different boiling point ranges are hydrotreated in an integrated hydrogenation plant (200) using an interbed separator (240) that is fluidly coupled between two hydrogenation reactors (230... | 07/03/2007 |
| 7238276 | Medium-pressure hydrocracking process The present invention relates to a medium-pressure hydrocracking process which uses a fresh hydrogen resource and a hydrosaturation catalyst with reduced metals of group VIB and/or group VIII as the active ingredients to selectively and deeply hydrosaturate jet fuel... | 07/03/2007 |
| 7232515 | Hydrofining process using bulk group VIII/Group VIB catalysts A process for hydrofining a lubricating oil feedstock comprising contacting the feedstock with a hydrofining catalyst in a hydrofining zone under hydrofining conditions wherein the hydrofining catalyst comprises a bulk metal catalyst containing non-noble Group VIII ... | 06/19/2007 |
| 7220350 | Wax isomerate yield enhancement by oxygenate pretreatment of catalyst A waxy hydrocarbon feed is catalytically treated with a dewaxing catalyst that has been selectively activated. The selective activation of the catalyst involves treating the catalyst with at least one oxygenate. The selectively activated catalyst can then be used to... | 05/22/2007 |
| 7201838 | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by c... | 04/10/2007 |
| 7195706 | Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffins A process for manufacturing a finished lubricant by: a) performing Fischer-Tropsch synthesis on syngas to provide a product stream; b) isolating from said product stream a substantially paraffinic wax feed having less than about 30 ppm total nitrogen and sulfur, and... | 03/27/2007 |
| 7175754 | Process for the production of low benzene gasoline A process for the production of low benzene content gasoline is disclosed wherein a full boiling range naphtha is fractionated to produce a light naphtha, a medium naphtha and a heavy naphtha. The benzene is contained in the medium naphtha and this stream is subject... | 02/13/2007 |
| 7153415 | Process for the treatment of light naphtha hydrocarbon streams A light cracked naphtha is treated to convert mercaptans to sulfides and saturate dienes and then subjected to destructive hydrodesulfurization (HDS) to convert the organic sulfur compounds to hydrogen sulfide. The recombinant mercaptans formed by reaction of hydrog... | 12/26/2006 |
| 7125818 | Catalyst for wax isomerate yield enhancement by oxygenate pretreatment A dewaxing catalyst is selectively activated by treatment with an oxygenate. Selective activation is accomplished by treated the dewaxing catalyst with a carrier feed containing oxygenate. The selectively activated dewaxing catalyst when used to dewax waxy hydrocarb... | 10/24/2006 |
| 7125484 | Downflow process for hydrotreating naphtha A process for the treatment of light naphtha hydrocarbon streams is disclosed wherein the mercaptans contained therein are reacted with diolefins simultaneous with fractionation into a light stream and a heavy stream. The heavy stream is then simultaneously treated ... | 10/24/2006 |
| 7122114 | Desulfurization of a naphtha gasoline stream derived from a fluid catalytic cracking unit A process for reducing sulfur compounds in naphtha to produce gasoline of ultra-low sulfur content, i.e., 10–30 ppm of sulfur, from a fluidized catalytic cracking reactor effluent stream, withdraws a high sulfur content sidestream of catalytically produced medium ... | 10/17/2006 |
| 7097760 | Hydrocarbon process for the production of ultra low sulfur diesel A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone eff... | 08/29/2006 |
| 7094332 | Integrated process for the production of ultra low sulfur diesel and low sulfur fuel oil A hydrocracking process to produce ultra low sulfur diesel by reacting a first hydrocarbon feedstock in a hydrocracking zone, introducing the hydrocracking zone effluent and a second hydrocarbon feedstock having a majority boiling at a temperature greater than 565°... | 08/22/2006 |
| 7087152 | Wax isomerate yield enhancement by oxygenate pretreatment of feed A waxy hydrocarbon feed is catalytically dewaxed with a catalyst that has been selectively activated. The selective activation of the catalyst involves contacting the dewaxing catalyst with a feed mixture containing waxy hydrocarbon and at least one oxygenate. The p... | 08/08/2006 |
| 7077947 | Process for preparing basestocks having high VI using oxygenated dewaxing catalyst A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hyd... | 07/18/2006 |
| 7077948 | Catalytic dewaxing process Process for the catalytic dewaxing of a hydrocarbon oil feed including waxy molecules and more than 500 ppmw of sulphur or sulphur containing compounds by contacting the oil feed under catalytic dewaxing conditions with a catalyst composition comprising at least a h... | 07/18/2006 |
| 7074320 | Preparing a high viscosity index, low branch index dewaxed oil An integrated process for preparing a lubricating oil base stock includes an isomerization step followed by a solvent dewaxing step. A waxy feed is isomerized to an intermediate pore point, which is at least 6° C. above a target pour point, over a select molecular ... | 07/11/2006 |
| 7052598 | Process for the production of gasoline with a low sulfur content comprising a hydrogenation, a fractionation, a stage for transformation of sulfur-containing compounds and a desulfurization A process for the production of gasoline with a low sulfur content that comprises at least one selective hydrogenation of diolefins, optionally at least one stage for transformation, preferably to increase their weight, for light sulfur-containing compounds that are... | 05/30/2006 |
| 7005057 | Hydrocracking process for the production of ultra low sulfur diesel A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone eff... | 02/28/2006 |
