Class 44/370 - Containing organic -S(=O)(=O)O- compound (i.e., sulfonates)

Subclass of Class 44 - Fuel and related compositions
Definition: Compositions which contain a compound having an organic
No. of patents: 42
Last issue date: 10/02/2007

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Number	Title	Issue Date
7276094	Mixed metal catalyst additive and method for use in hydrocarbonaceous fuel combustion system A hydrocarbonaceous fuel additive, fuel composition, and method all lower both carbon particulate emissions and improve slag properties in combustion systems including, for instance, utility furnaces and boiler systems. The mixed metal catalyst may include a transit...	10/02/2007
7108780	Oil desalting by forming unstable water-in-oil emulsions A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight percent asphaltenes (A), total acid number (TAN), and ratio of the amount of naph...	09/19/2006
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
6858047	Fuel additive containing lithium alkylaromatic sulfonate and peroxides A fuel additive, especially for gasoline and diesel engines, has a major portion of lithium aromatic sulfonate and an organic peroxide; for example, lithium bezene sulfonate and as the peroxide methyl ethyl ketone peroxide and/or tert-butyl perbenzoate. The additive...	02/22/2005
6652609	Fuel oil compositions This invention relates to fuel oil, especially middle distillate fuel oil, compositions comprising middle distillate fuel oil and at least one fuel-soluble or fuel dispersible calcium and/or magnesium salt....	11/25/2003
6632257	Fuel composition and method for extending the time between turbine washes when burning ash bearing fuel in a turbine The addition of a magnesium compound to an ash bearing fuel results in a reduction in the formation of deposits in the turbine and extending the interval between turbine washes when burning the ash bearing fuel in a turbine compared to burning the ash bea...	10/14/2003
6379404	Additive used in the combustible water/hydrocarbon fuel mixture This invention provides an additive used in the water/oil mixture to form an emulsified water/oil mixture suitable as a fuel source. The additive comprises a nonionic surfactant selected from the group of chemicals consisting of 55-65% of phenyl ethyl phe...	04/30/2002
6248702	Dispersant and dispersant viscosity index improvers from selectively hydrogenated aryl-substituted olefin containing diene copolymers The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified, and post treated. The dispersant substances include a copolymer of t...	06/19/2001
6235068	Fuel composition A fuel composition, comprising: a marine diesel fuel; and a liner lacquering reducing amount of a hydrocarbyl-substituted sulphonic acid. This invention also relates to a process for reducing liner lacquering in a marine diesel engine, comprising operatin...	05/22/2001
5944858	Hydrocarbonaceous fuel compositions and additives therefor Hydrocarbonaceous fuels and additive compositions therefor which comprise: a) one or more fuel-soluble manganese carbonyl compounds; and b) one or more fuel-soluble alkali or alkaline earth metal-containing neutral or basic detergent salts. These composit...	08/31/1999
5925233	Use of alkanesulfonic acids as asphaltene-dispersing agents The present invention relates to the use of secondary alkanesulphonic acids as asphaltene dispersing agent in crude oils and products derived therefrom, wherein a chain length of 8 to 22 C atoms is present. The secondary alkanesulfonic acids are employed ...	07/20/1999
5919276	Use of mixed alkaline earth-alkali metal systems as emissions reducing agents in compression ignition engines The present invention relates to fuel compositions containing a base fuel and a fuel additive, wherein the fuel additive comprises a mixture of calcium and either alkali metals, alkaline earth metals other than calcium or mixtures thereof. The present inv...	07/06/1999
5885310	Condensed emulsion fuel material and emulsion fuel In the present invention, a solution of synthetic anionic surface active agents is at first prepared by mixing and homogenizing sodium polyoxyethylenealkylether sulfate and sodium alpha-olefin sulfonate (both are anionic surface active agents). Distillate...	03/23/1999
5814110	Chemical compositions and use as fuel additives Distillate fuel is treated with additives whose structure match the crystal planes of the wax which crystallizes from the fuel to produce crystals below 4000 nanometres in size, suitable additive include novel sulpho-carboxylic materials particularly thei...	09/29/1998
5538521	Fuel compositions containing polyalkyl and poly(oxyalkylene)aromatic esters A fuel additive having the formula: ##STR1## wherein A1 is a thioether, a sulfoxide, a sulfone, a sulfonic acid, a sulfonamide, a nitrile, a carboxylic acid or ester, or a carboxamide; R1 and R2 are independently hydr...	07/23/1996
5487762	Method of minimizing deposits when firing tire derived fuels Methods for minimizing deposits in boilers, furnaces, incinerators or other systems firing tire derived fuels when burned in combination with other fuels which may include fuel oils are disclosed. These methods include treating the fuels so as to raise th...	01/30/1996
5364419	Fuel oil additives A liquid hydrocarbon particularly fuel oil containing an amine-salt having the formula ##STR1## wherein R, R1 and R2 are hydrogen or a hydrogen - and carbon-containing group; R3 and R4 are hydrogen or hydro...	11/15/1994
5160350	Fuel compositions This invention describes a water fix for an alcohol containing gasoline which has been formulated with a lead replacement....	11/03/1992
4968320	Hybrid diesel fuel composition A hybrid diesel fuel composition consisting of a conventional diesel fuel, at least one surface-active agent, water, and a consistent proportion of fusel oil....	11/06/1990
4836829	Fuel composition and process for multi-port fuel injection systems (PNE-509) Vehicle driveability problems associated with deposits formed in multiport fuel injectors are alleviated by delivering fuel comprising a particular amine containing various C6 to C24 alkyl, aryl, cycloaliphatic, heterocyclic, substit...	06/06/1989
4747972	Sulfonic acid compositions having reduced sulfur-containing contaminants Processes of reducing the inorganic sulfur-containing acid and the low equivalent weight organic sulfonic acid content of an acid mass comprising organic sulfonic components and inorganic sulfonating agent contaminants are described. In general, the proce...	05/31/1988
4690687	Fuel products comprising a lead scavenger A fuel composition for internal combustion engines, and more particularly, a fuel composition for internal combustion engines containing less than about 0.5 gram of lead per gallon of fuel is described. The fuel provides acceptable valve seat protection i...	09/01/1987
4670022	Fuel composition for spark-ignition engine A fuel composition for spark-ignition engines consisting essentially of gasoline and a barium compound in an amount of 100 ppm or more in terms of barium metal and relative to the gasoline, said barium compound being selected from the group consisting of ...	06/02/1987
4659338	Fuel compositions for lessening valve seat recession A fuel composition for internal combustion engines, and more particularly, a fuel composition for internal combustion engines containing less than about 0.5 gram of lead per liter of fuel is described. The fuel composition comprises a major amount of a li...	04/21/1987
4647291	Anti-mist liquid degradation The present invention relates to a process for the degradation of a hydrocarbon, preferably jet fuel solutions, having anti-misting properties in which the hydrocarbon solution contains a copolymer of an alpha-olefin and vinyl alkylenecarboxylic acid....	03/03/1987
4615841	Process for making alkaline-earth metal salts of alkaryl sulfonic acids A novel process for making solutions of alkaline-earth metal salts of alkaryl sulfonic acids that contain about 1.5 to less than three weight percent water and that does not require an azeotropic distillation step to reduce the water of the reaction produ...	10/07/1986
4537602	Additive concentrates for distillate fuels An additive concentrate for incorporation into wax containing petroleum fuel oil compositions to improve low temperature flow properties comprising an oil solution containing: (a) 3% to 90 wt. % of a C30 -C300 oil-soluble nitrogen compoun...	08/27/1985
4441890	Method for improving stability of residual fuel oils The method of inhibiting or reducing the level of asphaltic sediment formed in residual fuels by adding an alkylaryl sulfonic acid stabilizer to said fuel comprising the improvement of adding an effective stabilizing amount of said stabilizer to said fuel...	04/10/1984
4440625	Method for minimizing fouling of heat exchanges Hydrocarbon process equipment is protected against fouling by incorporating into the hydrocarbon being processed small amounts of a composition comprised of a dialkylhydroxylamine and an organic surfactant....	04/03/1984
4372862	Oil-soluble metal containing sulfonated polymers useful as oil additives This invention relates to oil soluble, metal containing sulfonated polymers useful as additives for lubricating oils or hydrocarbon fuels and which are effective as dispersants. Such polymers of high molecular weight are also useful as viscosity-index imp...	02/08/1983
4240802	Internal combustion engine fuel composition containing toxic agent for dispersion in the exhaust fumes of the engine A composition for dispensing toxic agents, such as an insecticide, comprises an internal combustion engine fuel containing a minor amount of an insecticide which is refractory to the fuel combustion conditions of the engine and soluble in the fuel. The en...	12/23/1980
4202671	Fuel conditioner Composition containing organic magnesium and organic manganese compounds as a fuel conditioner to reduce fuel requirements and sulfur trioxide emissions and method of using same....	05/13/1980
4182613	Compatibility additive for fuel oil blends Petroleum fuel compositions having a kinematic viscosity ranging from about 40 Saybolt Seconds Universal at 38° C. to about 300 Saybolt Seconds Furol at 50° C., e.g. residual fuel oils of grade numbers 4, 5 and 6, which contain dispersed sedimentary asp...	01/08/1980
4164474	Process for producing metal salts of oil-soluble organosulfonic acids An improved process for producing metal salts of organosulfonic acids comprises reacting the sulfonic acid with a slight excess of the corresponding metal carbonate until the carbonate/acid equilibrium point is reached, i.e., the pH of a substantially car...	08/14/1979
4163728	Preparation of magnesium-containing dispersions from magnesium carboxylates at low carboxylate stoichiometry This invention relates to stable, fluid magnesium-containing dispersions and the preparations thereof by the high temperature decomposition of Magnesium salts of carboxylic acids to MgO in a dispersant-containing fluid, where less than a stoichiometric am...	08/07/1979
4145297	Fuel and lubricant compositions for inhibition or prevention of octane requirement increase The prevention or substantial reversal of octane requirement increase in a spark-ignited, internal combustion engine is achieved by introducing, with the combustion intake charge, a fuel and/or lubricant composition containing an octane requirement increa...	03/20/1979
4131433	Fuel additives, additive compositions and methods of employing same to prevent corrosion of metal surfaces in contact with hot gaseous combustion products A fuel additive composition useful for incorporation in or admixture with fuels, particularly fuels containing vanadium and/or sodium as a contaminant such that upon combustion of the fuels containing or in the presence of said additive composition metal ...	12/26/1978
4116644	Gasoline compositions Fuel induction systems of internal combustion engines are cleansed by operating the engine on a gasoline containing a detergent amount of the condensation product of phenol, and preferably a high molecular weight alkylphenol, an aldehyde, and an amine hav...	09/26/1978
4048118	Antistatic organic liquid composition An antistatic organic liquid composition comprising an organic liquid having low conductivity and a mixture of an alkali metal salt of an organic acid and a nitrogen-containing salt of phytic acid is disclosed....	09/13/1977
4002436	Polymer solution The dissemination of gas turbine engine aviation fuels under shock conditions, particularly by forming mist particles, and the accompanying fire hazard, are reduced by dissolving in the fuel a soluble polymer of molecular weight greater than 106	01/11/1977

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Class 44/370 - Containing organic -S(=O)(=O)O- compound (i.e., sulfonates)