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Class 44/363 - Heavy metal or aluminum carboxylate salt or complex


Subclass of Class 44 - Fuel and related compositions
Definition: Compositions which contain a carboxylic acid salt or carboxylic
No. of patents: 52
Last issue date: 06/28/2011


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NumberTitleIssue Date
7967876Nanoalloy fuel additives
There is disclosed a composition comprising an alloy represented by the following generic formula (Aa)n(Bb)n(Cc)n(Dd)n( . . . )n; wherein each capital letter and ( . ....
06/28/2011
7332001Method of enhancing the operation of diesel fuel combustion systems
A method of enhancing the operation of diesel fuel combustion systems in a combustion system includes supplying a fuel and additive that includes a manganese compound to a diesel fuel combustion system. The fuel is then combusted in the combustion chamber to produce...
02/19/2008
7306634Iron salt diesel fuel additive compositions for improvement of particulate traps
A fuel additive iron salt composition effective in improving the operation of diesel engine particulate traps when added to a diesel fuel so as to provide 1-25 ppm iron in the fuel which comprises an oil soluble or oil dispersible neutral or overbased iron salt of a...
12/11/2007
7300477Method and fuel additive including iron naphthenate
A combustion additive is used for protecting and improving the operation of diesel fuel combustion systems. The additive contains one or more iron-containing compounds. The additive can be added to the fuel prior to introduction into a combustion chamber or to the e...
11/27/2007
7285140Low-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
7282072Synthetic fuel and methods for producing synthetic fuel
The present invention provides synthetic fuels, additives for use in preparing synthetic fuels and methods for producing synthetic fuel. The synthetic fuels include low levels of a chemical change additive selected from the group consisting of alkaline earth oxides ...
10/16/2007
7229482Method of reducing smoke and particulate emissions from steam boilers and heaters operating on solid fossil fuels
A method of reducing smoke and particulate emissions from steam boilers and process heaters operating on solid fuel by adding a fuel additive which contains an oil-dispersible iron compound and an over-based magnesium compound to the solid fuel. ...
06/12/2007
7063729Low-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
6881235Method of reducing smoke and particulate emissions from spark-ignited reciprocating engines operating on liquid petroleum fuels
A method of reducing smoke and particulate emissions from an exhaust gas from a spark-ignited reciprocating engine by adding a fuel additive which contains an oil-soluble iron compound and an over-based magnesium compound to liquid petroleum fuel. ...
04/19/2005
6652608Fuel 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
6488724Heavy 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
6488725Fuel 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
6096104Mixed 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
6093223Aggregates of ceric oxide crystallites and reduction of vehicular emissions therewith
Vehicular emissions are reduced/purified via combustion of the hydrocarbon fuel therefor, e.g., diesel fuel, in the presence of a cerium compound, preferably a cerium (IV) compound, to produce soots having depressed ignition temperatures that contain effe...
07/25/2000
6056792combustion
A process of improving the oxidation of carbonaceous products derived from the combustion of fuel and improving combustion of a fuel is described. The process comprises adding to the fuel before combustion thereof a composition comprising at least an orga...
05/02/2000
6051040Method for reducing emissions of NOx and particulates from a diesel engine
A method improves the operation of a diesel engine through the use of a fuel additive, a diesel particulate trap and a NOx -reducing catalyst. The operation of the NOx -reducing catalyst is enhanced by the introduction of urea or lik...
04/18/2000
5965498Two-cycle synthetic lubricating oil
A two-cycle oil composition comprising: (a) 10-20% of a first synthetic ester base stock oil (a copolymer of an alpha-olefin with an ester of a dicarboxylic acid, viscosity 20 to 50 cSt at 100° C.); (b) 18-30% of a second synthetic ester base stock oil (...
10/12/1999
5562742Copper-containing organometallic complexes and concentrates and diesel fuels containing same
This invention relates to copper-containing organometallic complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing org...
10/08/1996
5501714Operation 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
5487762Method 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
5461172Light-colored manganese carboxylates
This invention relates to light-colored manganese carboxylates and to a process for preparing manganese carboxylates. The manganese carboxylate salts are derived from (a) at least one carboxylic acid containing at least about six carbon atoms and characte...
10/24/1995
5356546Metal salts useful as additives for fuels and lubricants
This invention relates to metal salts of the general formula Ay- My+ (I) wherein M represents one or more metal ions, y is the total valence of all M and A represents one or more anion containing groups...
10/18/1994
5348559Copper-containing aromatic mannich complexes and concentrates and diesel fuels containing same
This invention relates to copper-containing aromatic Mannich complexes, and to concentrates and diesel fuels containing said complexes. The diesel fuels are useful with diesel engines equipped with exhaust system particulate traps. The copper-containing a...
09/20/1994
5281346Two-cycle engine lubricant and method of using same comprising alkali or alkaline earth metal salts of carboxylic aromatic acids
This invention relates to lubricants for two-cycle engines comprising a major amount of at least one oil of lubricating viscosity and a minor amount of at least one compound of the general formula Ay- My+ ...
01/25/1994
5275630Metal salt fuel additive stabilized with a thiadiazole
A two component additive and a liquid hydrocarbon based fuel composition, containing the additive are disclosed. The fuel composition is comprised of a major amount of a liquid hydrocarbon diesel fuel and a minor fuel efficiency improving amount of the ad...
01/04/1994
5266083Method for reducing pollution emissions from a diesel engine
The invention presented relates to a method for reducing the emission of nitrogen oxides from a diesel engine without significant loss of fuel efficiency and without significant increases in carbon monoxide and hydrocarbon emissions. The method involves p...
11/30/1993
5145488Process for the preparation of mixtures of oil-soluble iron and magnesium salts of saturated aliphatic monocarboxylic acids and their use
To prepare a mixture of oil-soluble iron and magnesium salts of saturated aliphatic C6 to C8 monocarboxylic acids, magnesium oxide is reacted with a C6 to C8 monocarboxylic acid in a solution of an iron salt of ...
09/08/1992
4973336Fuel 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
4956108Copper salts of thiodipropionic acid derivatives as antioxidant additives process of making the same and fuel composition thereof
Copper salts of thiodipropionic acid derivatives provide excellent multifunctional/antioxidant characteristics for fuel composition when incorporated therein....
09/11/1990
4915857Amine compatibility aids in lubricating oil compositions
This invention is to lubricating or fuel oil compositions containing amine compatibility aids. The amine compatibility additives are especially useful in stabilizing (or "compatibilizing") concentrates, lubricating oil or fuel oil compositions which conta...
04/10/1990
4846983Novel carbamate additives for functional fluids
Novel molybdenum or tungsten thiocarbamate additives for functional fluids, e.g., lubricating oils, automatic transmission fluids (ATF), as well as fuel compositions, have been developed. The molybdenum or tungsten carbamate compositions, compounds, compl...
07/11/1989
4828733Copper salts of hindered phenolic carboxylates and lubricants and fuels containing same
Copper salts of hindered phenol carboxylic acids are used in lubricants and fuels compositions as an antioxidant....
05/09/1989
4810397Antifoulant additives for high temperature hydrocarbon processing
Fouling of metallic surfaces contacted with hydrocarbon oils at elevated temperatures is reduced by combining the oils with foulant-inhibiting amounts of thiadiazole compounds or triazole compounds, or aluminum compounds in combinations containing thiadia...
03/07/1989
4752302Method and composition for improving flame combustion of liquid carbonaceous fuels
The present invention improves flame combustion of liquid carbonaceous fuels by the preparation and use of a fuel additive comprising a finely-divided particulate hydrated compound in stable suspension in a liquid vehicle. The median major dimension of th...
06/21/1988
4731096Hydrocarbon 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
4675027Fuel compositions having improved low temperature characteristics
Heavy metal salts of certain branched chain carboxylic acids significantly improve the filterability, pour point and cloud point of liquid hydrocarbyl fuels when incorporated therein....
06/23/1987
4670020Carbon 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
4664677Manganese and copper containing compositions
Disclosed are manganese and copper-containing compositions comprising: (A) a manganese containing compound and (B) a copper containing compound, wherein said composition contains from about 0.05 up to about 23 g-atoms of manganese for each g-atom of copper in said ...
05/12/1987
4647293Gasoline compositions containing hexavalent molybdenum
An unleaded gasoline in combination with a minor amount of gasoline soluble molybdenum(VI) compound is effective in reducing elevated steady state octane requirement and suppressing octane requirement increase in spark ignition internal combustion engines...
03/03/1987
4621593Automotive 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
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