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| Number | Title | Issue Date |
| 8075761 | Hydrocarbon composition for use in compression-ignition engines The invention provides a hydrocarbon composition for use in CI engines, said composition comprising a blend of hydrocarbons derived from a LTFT and from a HTFT process, said LTFT derived hydrocarbon being blended with said HTFT derived hydrocarbon in a volumetric ra... | 12/13/2011 |
| 7955495 | Composition of middle distillate A middle distillate, comprising hydrocarbons having a boiling range between 150° C. and 350° C., a NMR branching index greater than 60, and a CH3/CH2 hydrogen ratio greater than 2.6. Also, there is provided the middle distillate made by a pro... | 06/07/2011 |
| 7951287 | Production of low sulfur, moderately aromatic distillate fuels by hydrocracking of combined Fischer-Tropsch and petroleum streams The present invention relates to distillate fuels or distillate fuel blend stocks comprising a blend of a Fischer-Tropsch derived product and a petroleum derived product that is hydrocracked under conditions to preserve aromatics. The resulting distillate fuel produ... | 05/31/2011 |
| 7951288 | Fuel enhancement system for an internal combustion engine A method of for treating a hydrocarbon fuel comprises applying a plurality of shock waves to the fuel at a frequency and intensity such as to increase the combustion efficiency of the fuel. An apparatus for treating a hydrocarbon fuel comprises a fuel treatment cham... | 05/31/2011 |
| 7918990 | Fuel presenting reduced aromatics levels and a high octane number The invention relates to a fuel containing at least 5 vol. %, and preferably at least 10 vol. %, of a hydrocarbon base (B3) consisting essentially of cycloparaffins comprising between 6 and 8 carbon atoms. The ratio R of the quantities by volume (B1+B2)/B3 is higher... | 04/05/2011 |
| 7887695 | Fuels for homogenous charge compression ignition engines A fuel for a homogeneous charge compression ignition engine having a 95 V % distilled temperature by boiling point measurement in the range of about 35° C. to about 350° C., a cetane number in the range of about 2 to about 120, and an octane number in the range of... | 02/15/2011 |
| 7867377 | Fuel composition A composition having a density at 15° C. of between 820 and 845 kg/m3 and a cetane number of equal or greater than 40, which composition has been obtained by blending the following components: (a) a cracked gas oil, (b) a mineral derived gas oil other th... | 01/11/2011 |
| 7837853 | Process to blend a mineral and a Fischer-Tropsch derived product onboard a marine vessel Process to blend a mineral derived hydrocarbon product and a Fischer-Tropsch derived hydrocarbon product by providing in a storage vessel of a marine vessel a quantity of mineral derived hydrocarbon product and Fischer-Tropsch derived hydrocarbon product such that i... | 11/23/2010 |
| 7708876 | Heavy fuel oil This invention relates to oil refining, more particularly to a composition of a heavy fuel oil for use in marine power units and boiler plants. The fuel comprises, in percent by weight: an extract from the selective extraction of gas oil—(3-5), heavy catalytic cra... | 05/04/2010 |
| 7704375 | Process for reducing corrosion in a condensing boiler burning liquid fuel The invention relates to a process for operating a condensing boiler in which the fuel is a Fischer-Tropsch product which boils for more than 90 wt % between 160 and 400° C. and contains more than 80 wt % of iso and normal paraffins, less than 1 wt % aromatics, les... | 04/27/2010 |
| 7695610 | Light fuel oil The invention relates to oil refining, more particularly to a composition of a light fuel oil for use in medium-speed diesel engines of marine power units. The inventive light fuel oil comprises, in % by wt.: black oil—(4-10), tar—(2-10), light catalytic crackin... | 04/13/2010 |
| 7666294 | Depressed freeze point kerosene fuel compositions and methods of making and using same A fuel composition useful for operating a jet engine or a diesel engine containing a petroleum derived kerosene fuel and a Fischer-Tropsch derived kerosene fuel is provided. The Fischer-Tropsch derived kerosene fuel contains normal and iso-paraffins in a weight rati... | 02/23/2010 |
| 7608181 | Distillate fuel blends from Fischer Tropsch products with improved seal swell properties The invention provides distillate fuel blend components with improved seal swell and lubricity properties obtained from Fischer Tropsch products. The blends contain a highly paraffinic distillate fuel component and distillate-boiling alkylcycloparaffins and/or disti... | 10/27/2009 |
| 7556727 | Kerosene composition A kerosene composition is provided containing, in relation to the total composition, at least 99% by weight of n-paraffins and iso-paraffins, having the properties indicated by the following formulae: 6.0° C.≦FBP(end point)−95% distillation poi... | 07/07/2009 |
| 7547385 | Method and system for producing a supercritical cryogenic fuel (SCCF) A method for producing a supercritical cryogenic fuel (SCCF) includes dissolving a hydrogen gas in fuel value proportions into a supercritical hydrocarbon fluid. The method is performed by placing a hydrogen gas and a hydrocarbon fluid at a pressure greater than the... | 06/16/2009 |
| 7435335 | Production of low sulfur distillates A process for hydroprocessing a distillate stream to produce a stream exceptionally low in sulfur, with total aromatics and polynuclear aromatics being moderately reduced. A distillate stream is hydrodesulfurized in a first hydrodesulfurization stage. The product st... | 10/14/2008 |
| 7431821 | High purity olefinic naphthas for the production of ethylene and propylene The present invention relates to an olefinic naphtha and a process for producing lower olefinc from this naphtha. In the process of the present invention for producing lower olefins, preferably ethylene, at least a portion of a hydrocarbon asset is converted to synt... | 10/07/2008 |
| 7429281 | Method for manufacturing bio-diesel oil containing alkane compounds A method for manufacturing bio-diesel oil in the present invention uses single-carbon alkane compounds to reform into intermediate alkanes to achieve a synthetic alkylation matter. The synthetic alkylation matter is mixed with plant oil or mixed with alkyl fatty aci... | 09/30/2008 |
| 7419939 | Mineral acid enhanced thermal treatment for viscosity reduction of oils (ECB-0002) The invention describes a method for decreasing the viscosity of crude oils and residuum utilizing a combination of thermal and acidic treatment. Further, the invention describes a method for making a water-in-oil emulsion, or a solids-stabilized water-in-oil emulsi... | 09/02/2008 |
| 7416568 | Aviation gasoline composition, its preparation and use An aviation gasoline composition comprising at least one tri-methyl pentane hydrocarbon and at least one C4 or C5 alkane wherein the amount of the at least one tri-methyl pentane in said composition is 10 to 90 vol %, the composition is substan... | 08/26/2008 |
| 7417073 | Preparation of titania and cobalt aluminate catalyst supports and their use in Fischer-Tropsch synthesis Supports for Fischer-Tropsch catalysts are formed by forming a particulate material from titania, alumina and optionally silica. A cobalt compound is incorporated into the particulate material which then is calcined to convert at least part of the alumina to cobalt ... | 08/26/2008 |
| 7404888 | Reducing metal corrosion of hydrocarbons using acidic fischer-tropsch products A process for reducing the metal corrosion of a hydrocarbonaceous liquid which causes corrosion as measured by NACE Standard TM0172-2001, said process comprising blending with the hydrocarbonaceous liquid at least 0.1 weight percent of an acidic Fischer-Tropsch prod... | 07/29/2008 |
| 7390397 | Low sulphur diesel fuel and aviation turbine fuel A process for the production of a synthetic low sulphur diesel fuel and a low soot emission aviation fuel is disclosed. The process includes fractionation of a Low Temperature Fischer-Tropsch feedstock into a light kerosene fraction and a heaver diesel fraction in a... | 06/24/2008 |
| 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 |
| 7371358 | Catalyst for treatment and control of post-combustion emissions The present invention utilizes two precious metals with two to five different metal-oxides in a layered matrix to convert CO, HCs, and NOx to CO2, and N2 by oxidation of two components and reduction of the other in a moderately high temperature... | 05/13/2008 |
| 7368051 | Process for corrosion inhibiting composition in hydrocarbon fuels The present invention provides a process for the production of a fuel composition having a NACE corrosion rating of between 0% and 25%, comprising the steps of: (i) contacting a fuel with a corrosion inhibitor of formula (I) to provide an initial fuel composition | 05/06/2008 |
| 7367309 | Internal combustion engine An internal combustion engine is provided which can operate by either the homogeneous charge compression ignition system or the spark ignition system using a single fuel. In the internal combustion engine using a fuel containing a hydrocarbon, the fuel contains o-xy... | 05/06/2008 |
| 7354462 | Systems and methods of improving diesel fuel performance in cold climates Embodiments of the present invention are directed toward systems and methods of providing a low-emissions diesel fuel for use in cold climates. Such fuels may be prepared by a Fischer-Tropsch process and include a pour point depressant. Furthermore, the fuel is used... | 04/08/2008 |
| 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 |
| 7351324 | Liquid fuel applying to various combustion systems with high heating value, high volatile, low pollution and low price The present invention relates to a liquid fuel blended by dissolving crude pentane into the heavy oil with different proportions, and applied to different combustion system respectively; the fuel thus formed is easily dissolved, volatilized, atomized and vaporized i... | 04/01/2008 |
| 7345211 | Synthetic hydrocarbon products The invention includes a process for producing synthetic middle distillates and synthetic middle distillates produced therefrom. In one embodiment, the process comprises fractionating a hydrocarbon synthesis product to at least generate a light middle distillate, a ... | 03/18/2008 |
| 7345210 | Blending for density specifications using Fischer-Tropsch diesel fuel The present invention includes a method for adjusting a fluid density. In one embodiment, a method for upgrading a petroleum-derived hydrocarbonaceous fraction comprises providing a synthetically-derived hydrocarbonaceous fraction, wherein the synthetically-derived ... | 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 |
| 7320748 | Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component A stable distillate fuel blend useful as a fuel or as a blending component of a fuel that is suitable for use in turbine engine, said fuel blend prepared from at least one highly paraffinic distillate fuel component having low to moderate branching and at least one ... | 01/22/2008 |
| 7300476 | Transportation fuels The present invention relates to Compositions of fuels for transportation are disclosed, particularly organic compositions which are liquid at ambient conditions. More specifically, it relates to transportation fuels comprising suitable organic distillates, as a pre... | 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 |
| 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 |
| 7276150 | Method of desulfurizing gas oil fraction, desulfurized gas oil, and desulfurizer for gas oil fraction The process for desulfurizing a gas oil fraction according to the invention comprises a low-boiling gas oil fraction hydrodesulfurization step (I) wherein a low-boiling gas oil fraction is desulsurized under the condition of a H2/Oil ratio of 70 to 200 Nm... | 10/02/2007 |
| 7252754 | Production of biodegradable middle distillates This invention relates to a process for production of middle distillates having biodegradability properties. More particularly, this invention relates to a process for production of middle distillates produced from a mainly paraffinic synthetic crude which is produc... | 08/07/2007 |
| 7247232 | Energy source using hydrogenated vegetable oil diluted into diesel fuel An alternative fuel source, preferably for use in a boiler, is provided. The fuel source is comprised of a partially hydrogenated vegetable oil and diesel fuel. Preferably, the partially hydrogenated vegetable oil has a Iodine Value (IV) ranging from approximately 5... | 07/24/2007 |