Class 44/364 - The heavy metal is Cr, Zr, or a lanthanide

Subclass of Class 44 - Fuel and related compositions
Definition: Compositions wherein the heavy metal that forms the salt
No. of patents: 31
Last issue date: 10/23/2007

Number	Title	Issue Date
7285140	Low-emissions diesel fuel blend A low-emissions diesel fuel comprises a catalyzed blend of fatty acid esters, preferably derived from soybean oil and/or tallow and aviation kerosene. The catalyzed blend is effective in lowering regulated emission pollutants, among which are NOx, particu...	10/23/2007
7063729	Low-emissions diesel fuel A low-emissions diesel fuel comprises fungible aviation kerosene grade 55, 50–300 ppm detergent, 25–500 ppm lubricity additive and a bimetallic, fuel soluble platinum and cerium fuel borne catalyst (e.g., 0.1–2.0 ppm platinum COD and 5–20 ppm cerium oleate)....	06/20/2006
6652608	Fuel compositions exhibiting improved fuel stability A fuel composition of the present invention exhibits minimized hydrolysis and increased fuel stability, even after extended storage at 65° F. for 6-9 months. The composition, which is preferably not strongly alkaline (3.0 to 10.5), is more preferably wea...	11/25/2003
6649156	Organic sol and solid compound based on cerium oxide and an amphiphilic compound and method for preparing same An organic sol containing: cerium oxide particles; an organic liquid phase; and at least one amphiphilic compound chosen from polyoxyethylenated alkyl ethers of carboxylic acids, polyoxyethylenated alkyl ether phosphates, dialkyl sulphosuccinates and quat...	11/18/2003
6488724	Heavy oils having improved properties and an additive therefor The additive described essentially comprises a selected alkoxylated fatty amine or fatty amine derivative and a special metal salt compound, preferably a metal soap. This additive for heavy oils effects a good emulsification or dispersion of asphaltenes a...	12/03/2002
6136048	Organic sol comprising at least one oxygenated rare-earth compound, synthesis method therefor, and use of said sol for catalysis A method for processing soot containing one or more rare earths, wherein said soot is contacted with an oxygen-containing gas, is disclosed. The method comprises (a) preparing an aqueous phase comprising a dispersion of at least one oxygenated metal compo...	10/24/2000
6096104	Mixed organometallic compositions including at least three metals, and uses thereof as fuel additives Compositions including at least three metals (M1, M2, M3) are disclosed. The first metal (M1) is at least one metal selected from the iron group or the manganese group, and is preferably selected from iron, manganese, cobalt and nickel. The second metal (...	08/01/2000
6023928	Method for reducing emissions from a diesel engine Operation of a diesel engine with low particulate emissions is achieved. A diesel engine is equipped with a platinum-catalyzed particulate trap. The engine is operated with a blend of diesel fuel and a fuel-soluble cerium composition to reduce the balance...	02/15/2000
5637118	Vanadium corrosion inhibitor A corrosion inhibited fuel mixture includes a hydrocarbon fuel, at least one vanadium composition, and a yttrium composition. The concentration of the yttrium composition in the mixture provides at least a stoichiometric amount of yttrium for a substantia...	06/10/1997
5501714	Operation of diesel engines with reduced particulate emission by utilization of platinum group metal fuel additive and pass-through catalytic oxidizer The invention provides a method employing a fuel additive to improve the operation of a pass-through oxidation catalyst over long periods of time with continued catalytic activity and without the undesirable conversion of SO2 to SO3....	03/26/1996
5449387	Cerium (IV) catalyst compounds and promoting combustion of hydrocarbon fuels therewith Novel cerium (IV) oxidic compounds, well suited as catalysts, e.g., for the clean combustion of hydrocarbon fuels and for the "drying" of paint compositions, each Ce(IV) atom of which being coordinated with two anions of an organic oxyacid advantageously ...	09/12/1995
4973336	Fuel additives A composition for the improvement of hydrocarbon fuel as exhibiting a boiling range of gasoline. The composition comprises an amine, a polyaminated detergent, a phenylamine diamine inhibited aromatic monomer stabilized by a polymeric substrate, a catalyst...	11/27/1990
4968322	Fuel composition and fuel additive Disclosed herein are a fuel composition comprising a fuel oil added with at least two kinds of soaps selected from cerium, neodymium and lanthanum soaps and a fuel additive comprising an organic solution that contains at least two kinds of soaps selected ...	11/06/1990
4836830	Rare earth compositions for diesel fuel stabilization A method for stabilizing diesel fuel for substantially reducing precipitation by adding to the diesel fuel an organometallic compound containing derivatives of one or more trivalent rare earth elements, excluding cerium....	06/06/1989
4778480	Color stabilization additives for diesel fuel containing rare earth metals and oxygenated compounds Diesel oil of improved color stability contains a phosphosulfurized polyisobutylene which is hydrolyzed and ethoxylated; a rare earth metal; and an oxygenated compound....	10/18/1988
4775389	Exhaust particulate reducing and color stabilizing additives for diesel fuels Diesel fuel oil of improved color stability containing a bis-nitrogen heterocyclic diester, a rare earth metal and an oxygenated compound....	10/04/1988
4731096	Hydrocarbon compositions of high elongational viscosity and process for making the same The present invention comprises a hydrocarbon composition consisting essentially of a hydrocarbon and an ionic-association or coordination-complex polymer in an amount sufficient to increase and maintain the elongational viscosity of said composition at a...	03/15/1988
4670020	Carbon ignition temperature depressing agent and method of regenerating an automotive particulate trap utilizing said agent A carbon ignition temperature depressing agent is disclosed along with a method of regenerating an automotive particulate trap using the ignition temperature depressing agent. The agent is effective to promote oxidation of on-board collected carbonaceous ...	06/02/1987
4621593	Automotive dispensing apparatus for fuel additive A dispensing apparatus is disclosed for adding a fluid agent to the fuel supply of an automotive engine, the agent is effective in depressing the ignition temperature of soot collected in an exhaust trap. The apparatus comprises: (a) a reservoir for conta...	11/11/1986
4568360	Mixed organometallic compositions comprising elements from the lanthanide group and manganese or elements from the iron group, process for the preparation of said compositions, and their use as fuel additives A mixed organometallic composition suitable for use as fuel additives contains an organic acid salt of at least one metal from the lanthanide group and of at least one metal selected from the group formed by manganese and the metals of the iron group wher...	02/04/1986
4568357	Diesel fuel comprising cerium and manganese additives for improved trap regenerability An improved fuel for operating a diesel engine equipped with a particulate trap contains a combination of a cerium naphthenate additive and a manganese dioxide additive....	02/04/1986
4522631	Diesel fuel containing rare earth metal and oxygenated compounds Addition of an oxygenated compound and a diesel fuel soluble form of a rare earth metal has been found to reduce particulate emissions from a diesel fueled engine. Preferred soluble rare earth metal additives include cerium carbonyls such as cerium salts ...	06/11/1985
4505718	Organo transition metal salt/ashless detergent-dispersant combinations Compositions comprising the combination of a transition metal salt of an organic acid and an ashless hydrocarbon-soluble ashless dispersant are useful in treating lubricants and fuels. Typical compositions comprise manganese carboxylates and acylated nitr...	03/19/1985
4474579	Process for improving the combustion of diesel engine fuels In order to improve the combustion of diesel engine fuels, mixtures of neutral salts of carboxylic acids and metals of Atomic Nos. 57 to 71 and free carboxylic acids are added thereto....	10/02/1984
4462810	Zirconium-cerium additives for residual fuel oil A composition for reducing the amount of particulate matter formed during the combustion of residual fuel oil, particularly No. 6 fuel oil, comprising a residual fuel oil and an effective amount of a combination of zirconium and cerium salts of carboxylic...	07/31/1984
4380456	Gasoline fuel additive composition A composition suitable for use as an additive to gasoline to increase the efficiency of use thereof comprising, in solution: about 10 to about 35 percent by volume of a zirconium salt of an organic acid; about 10 to about 35 percent by volume of a plastic...	04/19/1983
4356002	Anti-static compositions This invention relates to use of surfactants, such as demulsifiers as illustrated by oxyalkylated phenol-aldehyde resins, as antistatic agents in organic fluids such as hydrocarbon fuels. These surfactants are also capable of synergistically enhancing the...	10/26/1982
4297110	Zirconium additives for residual fuel oil Zirconium salts of carboxylic acids as additives in residual fuel oil to reduce particulate emission. The additives are especially effective in decreasing particulate emission in the combustion of No. 6 fuel oil, to aid in meeting current particulate emis...	10/27/1981
4264335	Suppressing the octane requirement increase of an automobile engine The octane requirement increase of a gasoline fired internal combustion engine is suppressed by the incorporation in the gasoline fed to the engine of a minor amount of cerium (III) or cerium (IV) 2-ethylhexanoate....	04/28/1981
4218385	Tri-substituted, hydrocarbon soluble, chromium compound synthesis An improved method for synthesizing a hydrocarbon soluble (RCOO)3 Cr chromium compound is described. The disclosed method employs a two-step reaction scheme utilizing a nonhalogenated chromium compound such as chromic acid anhydride as a starti...	08/19/1980
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

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Class 44/364 - The heavy metal is Cr, Zr, or a lanthanide