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| Number | Title | Issue Date |
| 7938952 | Process for multistage residue hydroconversion integrated with straight-run and conversion gasoils hydroconversion steps This invention relates to a novel integrated hydroconversion process for converting heavy atmospheric or vacuum residue feeds and also converting and reducing impurities in the vacuum gas oil liquid product. This is accomplished by utilizing two residue hydroconvers... | 05/10/2011 |
| 7837857 | Hydrocracking process for fabricating jet fuel from diesel fuel A method for obtaining jet fuel from diesel fuel is provided, the method comprising subjecting the diesel fuel to hydrocracking to convert at least a portion of the diesel fuel into a mixture of light hydrocarbons, kerosene, naphtha and a liquefied petroleum gas, is... | 11/23/2010 |
| 7815789 | Process to prepare a lubricating base oil A process to prepare a base oil having a viscosity index of above 80 and a saturates content of above 90 wt % from a crude derived feedstock by (a) contacting a crude derived feedstock in the presence of hydrogen with a catalyst having at least one Grou... | 10/19/2010 |
| 7799207 | Process for producing tailored synthetic crude oil that optimize crude slates in target refineries The instant invention is directed to a process wherein a heavy oil feedstock upgrader alters its mode of operation of its full conversion hydroprocessing unit to create a custom tailored synthetic crude feedstock based upon data communicated from a target refinery a... | 09/21/2010 |
| 7727379 | Process to continuously prepare two or more base oil grades and middle distillates Process to prepare simultaneously two or more base oil grades and middle distillates from a mineral crude derived feed, in particular a de-asphalted oil or a vacuum distillate feed or their mixtures, by performing the following steps: (a) hydrocracking the mineral c... | 06/01/2010 |
| 7713407 | Production of low sulfur fuels using improved hydrocracker post-treatment catalyst A hydrocracking process for converting a petroleum feedstock to higher gravity, lower sulfur products, especially ultra low sulfur road diesel fuel. The process may be operated as a single-stage or two-stage hydrocracking. In each case, a hydrocracking step is follo... | 05/11/2010 |
| 7686941 | Simultaneous hydrocracking of multiple feedstocks A process for simultaneously hydrocracking multiple feedstocks wherein a first feedstock is hydrotreated in a hydrotreating zone to produce a hydrotreating zone effluent which is separated to provide a first vaporous hydrocarbonaceous stream and a first liquid hydro... | 03/30/2010 |
| 7658836 | Process for producing middle distillates by hydroisomerizing and hydrocracking feeds from the Fischer-Tropsch process using a multifunctional guard bed The process of producing middle distillates from effluents obtained by a Fischer-Tropsch synthesis, comprises a step for hydro-treatment and purification and/or decontamination by passage over a multi-functional guard bed prior to a step of hydrocracking/hydroisomer... | 02/09/2010 |
| 7638037 | Process for the preparation of a lubricant Process to prepare a lubricant having a dynamic viscosity at −35° C. of below 5000 cP by performing the following steps: a) contacting a feed containing more than 50 wt % wax in the presence of hydrogen with a catalyst comprising a Group VIII metal component supp... | 12/29/2009 |
| 7594991 | All catalytic medicinal white oil production All catalytic process for producing white oils is provided. More particularly, medicinal grade white oils are produced from a process including hydrotreating and/or hydrocracking, catalytic dewaxing followed by hydrofinishing to produce a medicinal white oil. ... | 09/29/2009 |
| 7491313 | Two-step hydroprocessing method for heavy hydrocarbon oil A method is disclosed for hydroprocessing a heavy hydrocarbon oil, comprising a first hydroprocessing step of bringing a heavy hydrocarbon oil into contact with a Catalyst (1) with a certain specific surface area and pore size distribution in the presence of hydroge... | 02/17/2009 |
| 7431822 | Process for upgrading heavy oil using a reactor with a novel reactor separation system Applicants have developed a new residuum full hydroconversion slurry reactor system that allows the catalyst, unconverted oil, hydrogen, and converted oil to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixtu... | 10/07/2008 |
| 7431823 | Process for upgrading heavy oil using a highly active slurry catalyst composition The instant invention is directed to a new residuum full hydroconversion slurry reactor system that allows the catalyst, unconverted oil and converted oil to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixtu... | 10/07/2008 |
| 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 |
| 7419582 | Process for hydrocracking a hydrocarbon feedstock A hydrocracking process wherein the feedstock is hydrotreated and the liquid and gaseous effluent from the hydrotreater is directly introduced into the upper end of a hydrocracking vessel which provides a liquid seal to prevent the passage of the gaseous stream cont... | 09/02/2008 |
| 7410566 | Hydroprocessing of hydrocarbon feedstock The invention is directed to a process for hydroprocessing of hydrocarbon feedstock containing sulfur and/or nitrogen contaminants, said process comprising first contacting the hydrocarbon feedstock with hydrogen in the presence of at least one first group VIII meta... | 08/12/2008 |
| 7384537 | Refined oil and process for producing the same According to the method of manufacturing refined oil of the present invention, refined oil which has a viscosity of 20 cst or lower at 135° C., a pour point of 30° C. or lower, an alkali metal content of 1 wt ppm or less, a vanadium content of 10 wt ppm or less an... | 06/10/2008 |
| 7381321 | Process for improving aromatic and naphtheno-aromatic gas oil fractions Process for transforming a gas-oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,... | 06/03/2008 |
| 7374667 | Process for the production of gasoline with a low sulfur content comprising a stage for transformation of sulfur-containing compounds, an acid-catalyst treatment and a desulfurization For the production of gasoline with a low sulfur content, a process comprises at least one stage for transformation of sulfur-containing compounds consisting of an alkylation or adsorption of sulfur-containing compounds and/or an increasing of the weight of light su... | 05/20/2008 |
| 7371906 | Process for photo-oxidative stability improvements A process for improving the stability to photo-oxidation of a polycyclic aromatic compound having at least two polymorphic forms comprises treating a first polymorph with one or more solvents to obtain the more stable second polymorph and then separating the second ... | 05/13/2008 |
| 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 |
| 7354507 | Hydroprocessing methods and apparatus for use in the preparation of liquid hydrocarbons The present invention is generally related towards enhancing the yield and/or cold-flow properties of certain hydrocarbon products, increasing the degree of isomerization in a diesel product and/or increasing the production rate of a diesel product. The embodiments ... | 04/08/2008 |
| 7354508 | Process to prepare a heavy and a light lubricating base oil The invention relates to a process to prepare a heavy and a light lubricating base oil from a partly isomerized Fischer-Tropsch derived feedstock, the feedstock having an initial boiling point of below 400° C. and a final boiling point of above 600° C. by (a) sepa... | 04/08/2008 |
| 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 |
| 7332071 | Process for improving aromatic and naphtheno-aromatic gas oil fractions Process for transforming a gas oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,... | 02/19/2008 |
| 7332072 | Process to prepare a waxy raffinate A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tr... | 02/19/2008 |
| 7326333 | Apparatus and process for extracting sulfur compounds from a hydrocarbon stream Described is an apparatus and process for extracting sulfur compounds from a hydrocarbon stream. A prewash section for converting hydrogen sulfide to sodium sulfide by reaction with an alkali such as caustic communicates with an extractor section disposed directly a... | 02/05/2008 |
| 7326331 | Process for the production of middle distillates by hydroisomerisation and hydrocracking feeds from the fischer-tropsch process The invention concerns a process for producing middle distillates from effluents obtained from the Fischer-Tropsch process, comprising separating a heavy cut with an initial boiling point of 120-200° C., hydrotreating said cut and fractionating the hydrotreated cut... | 02/05/2008 |
| 7318845 | Compact distillates fuel processor with effective sulfur removal process A distillate fuel steam reformer system in which a fuel feed stream is first separated into two process streams: an aliphatics-rich, sulfur-depleted gas stream, and an aromatics- and sulfur-rich liquid residue stream. The aliphatics-rich gas stream is desulfurized, ... | 01/15/2008 |
| 7311814 | Process for the production of hydrocarbon fluids Hydrocarbon fluids are produced by hydrocracking a vacuum gas oil stream, fractionating and/or hydrogenating the hydrocracked vacuum gas oil. The fluids typically have ASTM D86 boiling point ranges within the range 100° C. to 400° C. the range being no more than 7... | 12/25/2007 |
| 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 |
| 7294253 | Process for producing middle distillates This invention relates to process for producing middle distillates having good cold flow properties, such as the Cold Filter Plugging Point (CFPP) measured in accordance with the IP method 309, and a high Cetane number, as well as to a process for production of such... | 11/13/2007 |
| 7285693 | Process to prepare a catalytically dewaxed gas oil or gas oil blending component A process to prepare a catalytically dewaxed gas oil or gas oil blending component by performing the following steps: (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product; (b) separating the product of step (a) into at least one or more fuel fr... | 10/23/2007 |
| 7285206 | Process to prepare a lubricating base oil and a gas oil A process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-T... | 10/23/2007 |
| 7282465 | Catalyst and its use for improving the pour point of hydrocarbon charges A catalyst comprising at least one ZBM-30 zeolite, synthesized in the presence of a particular structuring agent such as triethylenetetramine, at least one porous mineral matrix, at least one hydro-dehydrogenating element, preferably chosen from the elements of Grou... | 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 |
| 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 |
| 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 |
| 7267758 | Flexible method for producing oil bases and middle distillates with hydroisomerization-conversion followed by catalytic dewaxing For producing very high quality base stock and for simultaneously producing high quality middle distillates, successive hydroisomerisation and catalytic dewaxmg steps are employed wherein the hydroisomerisation is carried out in the presence of a catalyst containing... | 09/11/2007 |
