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| Number | Title | Issue Date |
| 7410514 | Liquid fuel composition having aliphatic organic non-hydrocarbon compounds, an aromatic hydrocarbon having an aromatic content of less than 15% by volume, an oxygenate, and water The invention relates to a liquid fuel composition of: 10-80 vol % of a first component which includes at least two aliphatic organic non-hydrocarbon compounds; 20-65 vol % of a second component including at least one hydrocarbon and having an aromatic content of le... | 08/12/2008 |
| 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 |
| 7314493 | Fuel composition in fuel cartridges for DMFCs Fuel mixtures for direct methanol fuel cells are disclosed. The fuels include methanol and additives that react with water to produce methanol and other easily electro-oxidizable compounds including dimethyloxymethane, methylorthoformate, tetramethylorthocarbonate, ... | 01/01/2008 |
| 7304188 | Preparation of highly pure methyl tert-butyl ether The invention relates to a process for preparing methyl tert-butyl ether (MTBE) in qualities which are suitable for organic syntheses and for use as a specialty solvent from MTBE in fuel quality. ... | 12/04/2007 |
| 7199088 | Lubricating oil for a diesel powered engine and method of operating a diesel powered engine A lubricating oil composition useful for a diesel-powered engine is provided that reduces NOx emissions level produced from a diesel-powered engine. The lubricating oil comprises a base oil and at least one oil-dispersible source of HNCO such as isocyanates. A metho... | 04/03/2007 |
| 7189269 | Fuel composition comprising a base fuel, a fischer tropsch derived gas oil, and an oxygenate A fuel composition is provided containing (i) a base fuel, (ii) a Fischer-Tropsch derived gas oil and (iii) an oxygenate. The components (ii) and (iii) can be used in a tertiary fuel blend with a base fuel (i) for the purpose of achieving for the composition (a) a n... | 03/13/2007 |
| 7161051 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 01/09/2007 |
| 7151198 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 12/19/2006 |
| 7014668 | Motor fuel for diesel, gas-turbine and turbojet engines The invention relates to a motor fuel suitable for diesel, gas-turbine and jet engines and standard engines, comprising a mixture of organic compounds having oxygen-containing functional groups, and optionally a hydrocarbon fraction. The fuel is typically a stable h... | 03/21/2006 |
| 6979426 | Biodiesel production unit In a first aspect, systems and methods for producing biodiesel fuel include a modular production unit incorporated onto a single platform or into a housing for ease of relocatability. The modular production unit preferably includes a mixing unit, a reactor unit, a s... | 12/27/2005 |
| 6758870 | Method of producing a diesel fuel blend having a pre-determined flash-point and pre-determined increase in cetane number The present invention relates to a method of producing a diesel fuel blend having a pre-determined flash-point and a pre-determined increase in cetane number over the stock diesel fuel. Upon establishing the desired flash-point and increase in cetane number, an amou... | 07/06/2004 |
| 6599336 | Low pollution fuel To provide a low pollution fuel capable of obviating imperfect combustion of fuel in a diesel engine, etc., and fundamentally solving the exhaust gas problems without depending on the conventional symptomatic method. The low pollution fuel is composed of ... | 07/29/2003 |
| 6514299 | Fuel additive and method therefor The invention provides a fuel additive composition including from about 85 to about 99% by volume C1 -C4 alcohol having a first blending octane number and from about 1.0 to about 15% by volume ether compound selected from the group c... | 02/04/2003 |
| 6056793 | Blended compression-ignition fuel containing light synthetic crude and blending stock This invention is a composition of matter useful as a compression-ignition fuel. The composition has from about 30 to about 95 mass % of a light synthetic crude or syncrude, preferably from Fischer-Tropsch synthesis or related processes, and from about 5 ... | 05/02/2000 |
| 6039772 | Non leaded fuel composition Fuel compositions comprised of well-defined proportions of cyclopentadienyl manganese tricarbonyl antiknock compounds, solvents selected from the group consisting of C1 to C6 aliphatic alcohols and nonleaded gasoline bases, possess i... | 03/21/2000 |
| 5906664 | Fuels for diesel engines The invention relates to high energy, oxygenated fuel compositions suitable for use in compression ignition internal combustion engines which fuel compositions contain a synergistic combination of dimethyl ether, methanol, and water, the combination provi... | 05/25/1999 |
| 5413717 | Method of recovering MTBE from wastewater Dialkyl ethers having 5 to 7 carbon atoms; e.g. MTBE, and alcohols having 1 to 4 carbon atoms are extracted from wastewater with contaminant-free gasoline. Wastewater saturated with contaminants is reduced to 200 ppm contaminants in the absence of strippi... | 05/09/1995 |
| 5380346 | Fortified hydrocarbon and process for making and using the same Fortified hydrocarbon torch gas is a mixture of a major portion by weight of hydrocarbon base gas and additive selected from 1,2-ethanediol, 1,2-propanediol, 1,3 butanediol, glycerol, diethylene glycol, ethylene glycol monomethyl ether, ethylene glycol mo... | 01/10/1995 |
| 5316558 | Catalytic clean-combustion-promoter compositions for liquid hydrocarbon fuels used in internal combustion engines Petroleum derived fuel compositions of improved efficiency for use with finished gasoline and diesel fuels in compression ignition engines and spark ignition engines include a catalytic clean-combustion-promoter composition to improve fuel efficiency and ... | 05/31/1994 |
| 5232464 | Fuel for internal combustion engines and use of methyl formate as fuel additive The fuel for internal combustion engines employing electrical fuel ignition and a carburetor and/or fuel injection, comprises a boiling fraction of 30° C. to 200° C., especially 30° C. to 180° C., containing hydrocarbons selected from the group consis... | 08/03/1993 |
| 5141525 | Process for producing high-octane, low-olefin motor fuels and motor fuel components High-octane, low-olefin motor fuels and motor fuel components having a content of alkyl tert.-alkyl ethers can be produced by reacting a crude hydrocarbon stream, which contains tertiary C5 -C8 -olefins in addition to saturated and o... | 08/25/1992 |
| 5102428 | Integrated process for the production of diisopropyl ether and gasoline A process is disclosed for integrating etherification to produce diisopropyl ether (DIPE) with processes to convert oxygenates and hydrocarbons to gasoline boiling range hydrocarbons in a manner which eliminates the requirement to recycle unreacted C... | 04/07/1992 |
| 5047070 | Integrated process for production of gasoline and ether from alcohol with feedstock extraction Alcohol feedstock containing water is extracted with olefinic liquid and reacted catalytically to produce tertiary ether. Unreacted alcohol and olefin vapor separated from etherification effluent is converted along with aqueous alcoholic raffinate in a ze... | 09/10/1991 |
| 5041690 | Conversion of alcohols to ether-rich gasoline Methanol or other alcohol is converted to high octane gasoline components by an integrated process wherein crude aqueous alcohol feedstock is extracted with a liquid extractant stream containing C4 +iso-olefin and reacted to form tertiary-alkyl... | 08/20/1991 |
| 4990712 | Integrated cracking, etherification and olefin upgrading process Gasoline octane number and yield are improved while excess fuel gas production is decreased in a catalytic cracking process by integrating etherification and oxygenate/aliphatic upgrading processes into the catalytic cracking unit product fractionation se... | 02/05/1991 |
| 4854939 | Aromatization and etherification process integration An integrated process for the production of aromatics rich an MTBE and TAME rich high octane gasoline fractions is described. Etherifications of iso-olefins is conducted in the presence of excess methanol. Unreacted methanol is passed to a fixed, fluid or... | 08/08/1989 |
| 4664675 | Process for upgrading olefinic gasolines by etherification The invention concerns a process for upgrading olefinic gasolines containing C5 hydrocarbons, but free of C4 hydrocarbons, by etherification. It is characterized in that the tertiary olefins of the charge are reacted (1 and 2) with m... | 05/12/1987 |
| 4603662 | Fuels The invention concerns a fuel comprising a mixture of at least one alcohol and at least one ether. The ether conveniently has a boiling point below 200° C., preferably below 100° C. The fuel can comprise lower aliphatic alcohols and ethers. An engine ma... | 08/05/1986 |
| 4534772 | Process of ether synthesis A method for producing fuel comprised of gasoline rich in methanol and methyl ethers derived from coal, which process comprises gasifying the coal to produce carbon monoxide and hydrogen, steam shifting the gasification product to produce additional hydro... | 08/13/1985 |
| 4509953 | Fuel blended with alcohol for diesel engine A fuel blended with alcohol for use in a diesel engine, which comprises a petroleum fuel, ethanol, and gasoline as a mutual solvent for said petroleum fuel and ethanol.... | 04/09/1985 |
| 4468233 | Motor fuel containing tert-butyl ethers A motor fuel comprising 35-98% hydrocarbon-containing base and 2-65% by volume of an additive which comprises a mixture containing (a) 5-35% by volume of methyl tert-butyl ether; (b) 5-40% by volume of isopropyl tert-butyl ether; and (c) 5-40% by volume of sec-buty... | 08/28/1984 |
| 4384872 | Stabilized gasoline-alcohol fuel compositions Motor fuel composition of about 5 to 50 weight percent methanol, ethanol or mixtures thereof in gasoline with a minor amount of a selected surface active agent which significantly increases the water tolerance of the gasoline-alcohol fuel composition. Sui... | 05/24/1983 |
| 4383836 | Method for treating an aqueous ethanol mixture A method is provided for treating an ethanol mixture containing a substantial amount of water comprising admixing said aqueous ethanol mixture with a hydrocarbon fraction containing a substantial amount of an aliphatic olefin having from 3 to 5 carbon ato... | 05/17/1983 |
| 4356001 | Method of extending hydrocarbon fuels including gasolines and fuels heavier than gasoline Hydrocarbon fuels including gasoline and fuels heavier than gasoline may be extended by addition thereto of ether-alcohol extenders, soluble in the hydrocarbon fuel, prepared by etherifying an oxy-alcohol mixture. The product is a single-phase mixture whi... | 10/26/1982 |
| 4334890 | Process for gasoline blending stocks A gasoline blending stock is produced by the simultaneous reaction of a hydrocarbon feed containing at least one tertiary olefin, at least one aliphatic alcohol, and water over a suitable catalyst. In a typical embodiment, a mixed C4 stream con... | 06/15/1982 |
| 4332594 | Fuels for internal combustion engines An oxygenated hydrocarbon based fuel for use in internal combustion engines is composed by volume of alcohol (40-80%), ketone (0-30%) ether (15-40%), a dimethyl siloxane (0.01-1.0%) a surfactant (0.25-1.0%) and a fuel-soluble corrosion inhibitor (0.02-0.1... | 06/01/1982 |
| 4316724 | Gasoline and alcohol blends Gasahol is made from aqueous alcohol, a portion of the water being removed by reaction with isobutene to form t-butyl alcohol.... | 02/23/1982 |
| 4294999 | Preparing oxygen-containing fuel wherein tertiary butyl alcohol is the major product of the process Isobutane is oxidized in a pressurized reactor in the presence of a solubilized molybdenum catalyst to produce a mixture of tertiary butyl alcohol, tertiary butyl hydroperoxide, methanol, acetone, and other oxygen containing compounds. Unreacted isobutane... | 10/13/1981 |
| 4256465 | Method for producing methyl tert-butyl ether and fuel composition containing the same A method for producing methyl tert-butyl ether which comprises the steps of: allowing isobutylene-containing hydrocarbon and methyl alcohol in a given molar ratio to react at a given temperature, pressure and liquid space velocity in the presence of stron... | 03/17/1981 |
| 4207077 | Gasoline-ethanol fuel mixture solubilized with methyl-t-butyl-ether Pure methyl-t-butyl ether is used as a cosolvent for hydrous ethanol in gasoline fuel mixtures. The ether solubilizes grain alcohol in all proportions in low aromatics content gasolines.... | 06/10/1980 |
