Class 44/439 - Acyclic ketone

Subclass of Class 44 - Fuel and related compositions
Definition: Compositions wherein the -C(=O)- compound is an
No. of patents: 40
Last issue date: 04/19/2011

Number	Title	Issue Date
7927387	Comprehensive gasoline and diesel fuel additive A comprehensive fuel additive for gasoline, diesel and ultra low sulfur diesel fuels intended to improve engine combustion efficiency, improve diesel fuel cetane levels, improve diesel and ultra low sulfur diesel fuel lubricity, reduce engine component friction, red...	04/19/2011
7892300	Oxygen-containing diesel fuel, process and catalyst for producing same A process for upgrading a diesel fuel, includes the steps of providing a diesel fuel feedstock; hydrogenating the feedstock at a pressure of less than about 600 psig so as to provide a hydrogenated product wherein a portion of the feedstock is converted to alkyl-nap...	02/22/2011
7828862	Highly effective fuel additives for igniting internal combustion engines, diesel engines and jet propulsion engines The fuel additives of the present invention comprise essentially of about 10-50 weight % of terpene, 0-15 weight % of Alkylene Glycol Ether, and 40-80 weight % of 2-Propanone, 0-20 weight % of Dibasic Methyl Ester and 0-15 weight % of nonyl phenol ethoxylate and 0-1...	11/09/2010
7323020	Method for making a fuel for a modified spark ignition combustion engine, a fuel for a modified spark ignition combustion engine and a fuel additive for a conventional spark ignition combustion engine A method of making a fuel composition for a modified internal combustion spark ignition engine comprising combining a fuel grade ethanol, an oxygen-containing component and at least one C6-C12 hydrocarbon. A fuel produced by such a method is al...	01/29/2008
7182796	Odorant for fuel gas The present invention provides an odorant suitable for use in fuel gases, such as liquefied natural gas (LNG), city gas, and LP gas, or methane gas, propane gas, butane gas and hydrogen gas. Preferably, the present invention provides a novel odorant that can also be...	02/27/2007
7052597	Tuning fuel composition for driving cycle conditions in spark ignition engines Tuning fuel composition delivered to a spark ignition, internal combustion engine as a function of driving cycle conditions results in improvements in one or more of fuel efficiency and combustion emissions. ...	05/30/2006
7037955	Additives and methods for reducing odor Additives and methods for reducing or eliminating odor in oil based media. The additives comprise an essential oil, an essential oil component, or mixtures thereof. ...	05/02/2006
6872231	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...	03/29/2005
6843813	Rejuvenation and/or cleaning of catalysts Compositions and methods are provided forcleaning and/or rejuvenating catalysts, including catalysts of the type used in vehicle catalytic converters. The compositions of the invention comprise a hydrocarbon source and an oxygen donor, which may be one and the same ...	01/18/2005
6761745	Method of reducing the vapor pressure of ethanol-containing motor fuels for spark ignition combustion engines A method of reducing the vapor pressure of a C3 to C12 hydrocarbon-based motor fuel mixture containing 0.1 to 20% by volume of ethanol for conventional spark ignition internal combustion engines, wherein, in addition to an ethanol component (b)...	07/13/2004
6736868	Method for imparting anti-static characteristics to non-conductive fluids A method for imparting anti-static characteristics to fuel is provided, the method comprising supplying a hydrocarbon fuel and mixing the fuel with an ion, contained in an inorganic compound, to reduce the electrical resistance of the fuel. ...	05/18/2004
6488725	Fuel additives The present invention relates to the use of fuel additives in the regeneration of particulate filter traps, e.g. diesel particulate filter traps. The invention further relates to fuel additives suitable for use in such a process....	12/03/2002
6458176	Diesel fuel composition This invention is a fuel composition for use in internal combustion engines comprising a major amount of a base fuel which contains no more than 10% by weight of olefins and no more than 10% by weight of esters, and greater than 5% by weight based on the ...	10/01/2002
6447558	Diesel fuel composition This invention is a method of reducing particulate matter emission from internal combustion engines which use a diesel fuel composition comprising a major amount of a diesel fuel having a base fuel which contains no more than 10% by weight of olefins and ...	09/10/2002
6447557	Diesel fuel composition This invention relates to an ultra-low sulphur fuel composition comprising (A) a major amount of a base fuel having (a) no more than 50 ppm by weight of sulphur, (b) no more than 10% by weight of olefins and (c) no more than 10% by weight of an ester and ...	09/10/2002
6123742	Fuel additive A fuel additive for internal combustion engines contains a mixture of toluene, methanol, isopropyl alcohol, and mineral oil as base ingredients mixed with a mixture having acetone, methanol, toluene, and xylene mixed in a predetermined order in predetermi...	09/26/2000
5931977	Diesel fuel additive A compound for use as a diesel fuel additive to gasoline or as a diesel fuel is provided. The compound has the molecular formula: ##STR1## is provided where R is CH3, C6 H10, C10 H18, or C12...	08/03/1999
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
5688295	Gasoline fuel additive A compound for use as an additive to gasoline or as a fuel is provided. The compound has the molecular formula: ##STR1## is provided where R is CH3, C3 H6, C7 H8, C6 H10, or...	11/18/1997
5538522	Fuel additives and method Disclosed are additives for fuel which comprise certain aliphatic amines and aliphatic alcohols in a paraffin carrier such as kerosene. The additives improve combustion efficiency and fuel economy, and reduce the amount of pollutants and corrosives formed...	07/23/1996
5433756	Chemical clean combustion promoter compositions for liquid fuels used in compression ignition engines and spark ignition engines Catalytic clean-combustion-promoter compositions for use with finished gasoline or diesel fuels in compression ignition engines and spark ignition engines improve fuel efficiency and reduce air polluting emissions. The compositions utilize ketones as solv...	07/18/1995
5354344	Gasoline fuel composition containing 3-butyn-2-one A fuel oil composition for use in a spark ignition engine, which comprises conventional gasoline for spark ignition engine use and a compound selected from the group consisting of an alkynyl alcohol, alkynyl ether, alkynyl ketone, alkenyl aldehyde or an a...	10/11/1994
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
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
4968323	Metalworking fluid composition 1-Bromopinacolone is a microbial biocide that is highly effective in suppressing the growth of bacteria, fungi and algae which can occur during storage and use of hydrocarbon oils including gasoline, jet fuel and heating oil. It is particularly effective ...	11/06/1990
4632675	Process for stabilization of coal liquid fractions Coal liquid fractions to be used as fuels are stabilized against gum formation and viscosity increases during storage, permitting the fuel to be burned as is, without further expensive treatments to remove gums or gum-forming materials. Stabilization is a...	12/30/1986
4595784	Hydrocarbon fuel additives and method for preparing same A compound having the general formula Rx COH[COR]y, wherein R is a lower alkyl hydrocarbon radical, y is 0 or 1, and x is 2 when y is 1 and 3 when y is 0, is prepared by admixing carbon monoxide, a transition metal halide, and an org...	06/17/1986
4437436	Antiknock additive compositions and unleaded gasoline containing same A method of operating a spark ignition internal combustion engine with unleaded gasoline is disclosed wherein methylcyclopentadienyl manganese tricarbonyl (MMT) is used as a primary antiknock compound and from about 5 to about 60 moles of benzoylacetone o...	03/20/1984
4432308	Fuel for combustion engines The subject invention involves providing a novel fluid or liquid fuel for combustion engines....	02/21/1984
4378973	Diesel fuel containing cyclohexane, and oxygenated compounds The amount of smoke, soot and invisible particulates emitted with the exhaust of engines run on diesel fuel is reduced by incorporating therein an additive consisting of a synergistic mixture of cyclohexane with an oxygenated compound which readily gives ...	04/05/1983
4372753	Liquid fuel for use in internal combustion engines A fuel is provided including dimethyl ketone and gasoline. Gaseous fuel such as methane and acetylene may be dissolved in the ketone-gasoline combination....	02/08/1983
4244703	Fuel additives A family of fuel additives particularly containing certain diamines preferably in combination with certain alcohols, the invention provides compositions of matter which improve the performance of internal combustion engines and provide favorable fuel econ...	01/13/1981
4211535	Gasoline fuel compositions containing antiknock additive A gasoline motor fuel possessing improved antiknock characteristics contains a minor amount of an aliphatic ଲ-diketone and a minor amount of a chelate of cerium(IV) with a ଲ-diketone....	07/08/1980
4164472	CaCO₃ -containing dispersions This invention relates to stable, fluid CaCO3 -containing dispersions, and the preparations thereof by the high temperature decomposition of a Ca carboxylate such as Ca acetate, etc., in a dispersant-containing fluid....	08/14/1979
4149853	Method and apparatus for improving fossil fuel combustion and related equipment The efficiency of fossil fuel combustion equipment, such as engines, furnaces, boilers, and the like, is improved by introducing organic reactive intermediates to the air-fuel mixture prior to ignition. The presence of the reactive intermediates with the ...	04/17/1979
4131434	Catalytic composition for internal combustion engines, furnaces and boilers A petroleum derived fuel composition of oil, diesel oil and gasoline including catalyst additive composition to improve the fuel efficiency and to reduce their air polluting effects. The composition includes aromatic and aliphatic hydrocarbon solvents wit...	12/26/1978
4108613	Pour point depressants Pour point depressants for hydrocarbonaceous fuels and oils are formed from a mixture of (1) the reaction product of an epoxidized alpha-olefin with a nitrogen-containing compound selected from ammonia, an amine, a polyamine or a hydroxyamine, and (2) an ...	08/22/1978
4029589	Process of inhibiting corrosion and/or sweetening hydrocarbons A process of inhibiting corrosion and/or sweetening hydrocarbons so that they pass the Copper Strip Tarnish Test ASTM D-130 which comprises treating such hydrocarbons with iodine or bromine. These halogens are preferably employed with complexing compounds...	06/14/1977
3976438	Gasoline additive and method for making same A gasoline additive and method for making such additive wherein bituminous coal is successively immersed into a mixture of (1) mineral spirits and carbide, (2) a ketone and carbide, and (3) benzene and carbide, for a period of from about 10 to 30 hours in...	08/24/1976
3964294	Technique and system for coding and identifying materials Microencapsulated spheroids containing a coded, volatile electron absorbing substance are dispersed into a material to be regulated such as crude oil in a tanker. Samples of the material such as an oil spill are collected and the source of the material is...	06/22/1976

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Class 44/439 - Acyclic ketone