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| Number | Title | Issue Date |
| 7282071 | Starch as a fuel or fuel component New fuels and fuel components comprising starch are provided, as well as novel methods for operating a combustor such as a boiler or an internal combustion engine by feeding a starch fuel to the combustor. ... | 10/16/2007 |
| 7270687 | Reduced emissions transportation fuel Transportation fuels are provided that have reduced toxics, VOC and NOx emissions, as well as, reduced sulfur content. The transportation fuels provided meet emissions reduction requirements determined by using the EPA Complex Model and for reduced sulfur... | 09/18/2007 |
| 7195656 | Method for combustion of pulverized coal with reduced emissions Fuel compositions containing (a) pulverized coal; and (b) an oxygenate selected from glycerol, glycerol derivatives, propylene glycol, propylene glycol derivatives, ethylene glycol, ethylene glycol derivatives, fatty acid alkyl esters, fatty alcohols, and mixtures t... | 03/27/2007 |
| 7144436 | Fuel composition A fuel composition comprising gasoline having a sulphur content of less than 10 ppm by weight and an aromatic content of less than 25% by volume, characterized in that said composition comprises at least 5% by volume of olefins and is substantially free of any ether... | 12/05/2006 |
| 6613108 | Process for producing a fuel component The invention relates to process for dimerizing olefinic hydrocarbon feedstock, to hydrocarbon compositions and to fuel components produced by the process. According to the invention, fresh olefinic hydrocarbon feedstock is fed to a reaction zone of a sys... | 09/02/2003 |
| 6258134 | High octane unleaded aviation gasolines Novel aviation fuel compositions contain a substantially positive or synergistic combination of an alkyl tertiary butyl ether, an aromatic amine and, optionally, a manganese component. The basefuel containing the additive combination may be a wide boiling... | 07/10/2001 |
| 6238446 | Unleaded aviation gasoline Unleaded aviation gasolines having heats of combustion and octane qualities deemed necessary for use under actual service conditions are formed from blends of specified proportions of aviation alkylate, ether blending agent, a cyclopentadienyl manganese t... | 05/29/2001 |
| 6206940 | Fuel formulations to extend the lean limit (law770) The invention is related to fuels having a high laminar flame speed and particular distillation characteristics. More particularly, the invention is directed towards fuels containing at least one species having a laminar flame speed greater than isooctane... | 03/27/2001 |
| 6187064 | Unleaded aviation gasoline Unleaded aviation gasolines of enhanced properties are described. They satisfy at least the octane and heat content specifications of ASTM D 910-90. Also described are unleaded aviation gasolines which satisfy all of the specifications of ASTM D 910-90. T... | 02/13/2001 |
| 5912191 | Process for preparing alkyl tert-butyl ethers and di-n-butene from field butanes A process for the coupled production of alkyl tert-butyl ethers and butene oligomers from a mixture containing isobutane and n-butane. The isobutane is converted to the alkyl tert-butyl ether and the n-butane is converted to the oligomers. The ratio of th... | 06/15/1999 |
| 5851241 | High octane unleaded aviation gasolines Novel aviation fuel compositions contain a substantially positive or synergistic combination of an alkyl tertiary butyl ether, an aromatic amine and, optionally, a manganese component. The basefuel containing the additive combination may be a wide boiling... | 12/22/1998 |
| 5752992 | Use of tertiary-hexyl methyl ether as a motor gasoline additive A tertiary-hexyl methyl ether composition comprising 2-Methoxy-2,3-dimethyl butane (MDMB) in an amount of at least 10% by weight based on the total tertiary-hexyl methyl ethers is useful as an octane booster for motor gasoline or motor gasoline feedstock.... | 05/19/1998 |
| 5749928 | Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines The invention presented involves a method for reducing emissions from or increasing the utilizable energy of fuel for powering diesel, gasoline or gasohol internal combustion engines, the method comprising admixing with the fuel an additive which comprise... | 05/12/1998 |
| 5609654 | Process for hydroisomerization and etherification of isoalkenes A process for production of alkyl tertiary alkyl ethers in C4 + hydrocarbon streams rich in isoolefins, typically containing catalyst deactivating amounts of dienes and/or compounds containing heteroatoms. The process is especially advantageous... | 03/11/1997 |
| 5586051 | Chemical reactor feed control In a process for manufacture of a chemical product, a reactive hydrocarbon feedstream, which varies in composition of the reactive component, is combined with a compatible but unreactive hydrocarbon feedstream to form a blended hydrocarbon stream which is... | 12/17/1996 |
| 5515280 | Electronic control device for a multi-fuel internal combustion engine With an electronic control device for an internal combustion engine using an oxygenated compound mixed fuel, operating conditions of the engine are detected, and are utilized to determine fundamental control data for the engine, while the dielectric const... | 05/07/1996 |
| 5512068 | Reducing deposit formation in diesel engines The invention relates to overcoming a new deposit problem, namely the formation on injector components and intake valves of diesel engines of deposits containing a substantial amount of inorganic material along with some organic binder materials. This pro... | 04/30/1996 |
| 5454843 | Reducing deposit formation in gasoline engines The invention relates to overcoming a new deposit problem, namely the formation on injector components and intake valves of gasoline engines of deposits containing a substantial amount of inorganic material along with some organic binder materials. This p... | 10/03/1995 |
| 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 |
| 5401887 | Process for the production of ethyl tert.-alkyl ethers The present invention is a cyclic process for the preparation of ethyl tert.-alkyl ethers by the reaction of an alcohol, ethanol, with an iso-olefin such as isobutylene or isoamylene wherein an effluent from the reaction zone is separated in a distillatio... | 03/28/1995 |
| 5401280 | Lead-free, high-octane gasoline Lead-free, high-octane gasolines are made up of a selected class of C5 -paraffinic and C6 -hydrocarbons and a methyl-t-butylether compound (MTBE) such that they have specified physical properties of research octane numbers, Reid vapo... | 03/28/1995 |
| 5378250 | Process for production of an ether-rich additive A process for the production of an ether-rich additive for gasoline, and more particularly, the production of MTBE, TAME and mixtures thereof from light hydrocarbon streams comprising passing the light hydrocarbon stream, preferably from an FCC feedstock,... | 01/03/1995 |
| 5364976 | Alkylation/etherification process A process for simultaneously producing C5 -C12 alkane(s) and C5 -C8 tertiary alkyl ether(s) employs a liquid feed mixture containing (a) at least one C4 -C7 isoalkane, (b) at least one seco... | 11/15/1994 |
| 5348707 | Apparatus for ether production A multistage catalytic reactor system for preparing ethers such as methyl t-butyl (MTBE) and t-amyl methyl ether (TAME) from iso-olefin and methanol, comprising a first reactor for contacting the iso-olefin and alcohol with a solid regenerable catalyst, s... | 09/20/1994 |
| 5308365 | Diesel fuel The present invention relates to a low sulfur diesel fuel which contains a dialkyl and a trialkyl derivative of glycerol in amount sufficient to reduce particulate matter emissions.... | 05/03/1994 |
| 5300126 | Process for improving olefin etherification catalyst life A method is disclosed for the pretreatment of olefinic hydrocarbon feedstock to remove conjugated dienes and/or basic nitrogen compounds that deactivate acidic catalyst particles used in olefin conversion processes by reacting the dienes with one or more ... | 04/05/1994 |
| 5256167 | Gasoline A specified gasoline capable of maintaining a high octane number and reducing the amount of NOx to be contained in exhaust gases when consumed, which comprises as essential components (A) 3-30 vol. % of methyl-t.-butyl ether and (B) 1-15 vol. % of light straig... | 10/26/1993 |
| 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 |
| 5210326 | Process for production of an ether-rich additive A process for the production of an ether-rich additive for gasoline, and more particularly, the production of MTBE, TAME and mixtures thereof from light hydrocarbon streams comprising passing the light hydrocarbon stream, preferably from an FCC feedstock,... | 05/11/1993 |
| 5176719 | Upgrading C4 mixed hydrocarbons by transhydrogenation and isobutene etherification A technique for converting olefinic light hydrocarbons rich in butenes and butanes to ether-rich liquid fuels including etherification and transhydrogenation operations. The preferred process includes: reacting a mixed C4 hydrocarbon stream containing iso... | 01/05/1993 |
| 5171331 | Process for producing gasoline A process for production of gasoline comprising oligomerizing a C2 -C6 olefin containing feedstock over an intermediate pore size siliceous crystalline molecular sieve catalyst. The catalyst may take the form of silicalite, halogen s... | 12/15/1992 |
| 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 |
| 5141524 | Catalytic clean combustion promoter compositions for liquid fuels used in internal combustion engines The incorporation of these catalytic clean combustion promoters compositions to liquid fuels for internal combustion engines, improve their combustion properties; thus, reducing their air polluting emissions as nitrogen oxides (NOx), carbon mon... | 08/25/1992 |
| 5106389 | Process for conversion of light paraffins to alkylate in the production of tertiary alkyl ether rich gasoline A process is disclosed for the production of high octane alkyl tertiary alkyl ether rich gasoline and gasoline rich in alkylated aromatics. It is disclosed that unreacted C3 -C4 hydrocarbon fraction of etherification feedstock plus u... | 04/21/1992 |
| 5084070 | Gum-free components containing alkyl tert.-alkyl ethers Gum-free fuel components containing alkyl tert.-alkyl ethers have been found which can be prepared by reacting a crude hydrocarbon mixture containing gum-forming constituents and containing one or more tert.-olefins, simultaneously with alkanols and H | 01/28/1992 |
| 5078751 | Process for upgrading olefinic gasoline by etherification wherein asymmetrical dialkyl ethers are produced A process is disclosed for upgrading C5 -C8 olefin-containing gasoline to a high octane motor gasoline blending component. C3 -C4 olefins are hydrated to alcohols and then selectively removed from the aqueous hydrati... | 01/07/1992 |
| 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 |
| 5024679 | Olefins etherification and conversion to liquid fuels with paraffins dehydrogenation An integrated process for the production of ether-rich liquid fuels containing MTBE and TAME by etherifying a hydrocarbon feedstock containing C4 + isoalkenes in the presence of a high stoichiometric excess of lower alkyl alcohol. Unreacted alc... | 06/18/1991 |
| 5013329 | Conversion of light hydrocarbons to ether rich gasoline A process is disclosed for converting a light hydrocarbon feedstock that contains a mixture of linear and branched olefins to ether-rich high octane gasoline streams that include tertiary alkyl and isoalkyl ethers such as MTBE, TAME, methyl isopropyl ethe... | 05/07/1991 |
