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| Number | Title | Issue Date |
| 7253138 | Corrosion and gas hydrate inhibitors having improved water solubility and increased biodegradability The invention provides the compounds of the formula (1) where R1 is C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl ... | 08/07/2007 |
| 7229481 | Diesel fuel compositions A water-in-fuel emulsion composition containing a Fischer-Tropsch derived fuel and water, and its use in a compression ignition engine is provided. Emissions, for example of NOx, black smoke and/or particulate matter, are lower as compared to conventional... | 06/12/2007 |
| 7175678 | Fuel composition The present invention provides a polymeric a fuel composition comprising (i) a fuel; and (ii) a polymeric compound; wherein the polymeric compound comprises at least one monomer unit of Formula I wherein R1 ... | 02/13/2007 |
| 7112230 | Fuels compositions for direct injection gasoline engines Injector deposits in a direct injection gasoline engine are reduced by providing as fuel for the operation of said direct injection engine a fuel composition comprising a fuel-soluble compound having the formula (I): | 09/26/2006 |
| 7044988 | Partially dehydrated reaction product, process for making same, and emulsion containing same The disclosed invention relates to a composition comprising a partially dehydrated product made by: (I) reacting (A) a hydrocarbyl substituted succinic acid or anhydride with (B) a polyol, a polyamine, a hydroxyamine, or a mixture ... | 05/16/2006 |
| 6676715 | Diesel fuel stabilizer There is provided use of a thermal stabiliser for increasing the thermal stability of a cetane improver in a fuel composition comprising (i) a fuel, and (ii) the cetane improver wherein the thermal stabiliser is a compound of the formula wherein H is a gr... | 01/13/2004 |
| 6296677 | Liquid polyfunctional additives for improved fuel lubricity The lubricity (anti-wear properties) of fuels, for example hydrocarbon fuels, oxygenated fuels or mixtures thereof, particularly diesel or aviation fuels having reduced sulphur and/or aromatic content for compliance with regulator requirements, is improve... | 10/02/2001 |
| 5919275 | Fuel and lubricant additives, their preparation and fuel or lubricant compositions containing these additives Fuel or lubricant additives based on reaction products of an ethylenically unsaturated poly-1-alkene derived from one or more 1-alkenes of 3 to 24 carbon atoms and from 0 to 50% by weight of ethene, processes for their preparation and fuel or lubricant co... | 07/06/1999 |
| 5755833 | Fuel additive A fuel additive comprising a urethane compound. A gasoline composition comprising gasoline blended with a urethane compound to suppress sludge or deposits in fuel intake systems or combustion chambers, such as an automobile engine.... | 05/26/1998 |
| 5484462 | Low sulfur diesel fuel composition with anti-wear properties A fuel composition comprising a mixture of hydrocarbons boiling in the range from about 320° F. to 620° F. and a sulfur content of about 0.05 wt. %, or below, containing from about 1 to about 20 PTB of aminoalkylmorpholine having the formula: ##STR... | 01/16/1996 |
| 5383942 | Fuel composition An amido alkanolamine composition obtained by reacting, at a temperature of 10° C.-200° C.: (a) a 4-alkyl-2-morpholinone represented by the formula: ##STR1## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms; and... | 01/24/1995 |
| 5312460 | Fuel compositions containing substantially straight chain alkylphenyl poly (oxypropylene) amino carbamates Disclosed is a fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from about 30 to about 5,000 parts per million of an alkylphenyl poly(oxypropylene) aminocarbamate having at least one basic nitrogen and an average molec... | 05/17/1994 |
| 5312459 | Additive for liquefied-gas fuels An additive for liquefied hydrocarbon fuel contains a) 30-60 volume percent of at least one nitrogen-containing solvent, b) 30-60 volume percent of at least one nitrogen-containing dispersing agent, c) 0.5-10 volume percent of a nitrogen-containing corrosion inhibi... | 05/17/1994 |
| 5294233 | Additive for organic medium or thermoplastic polymer An additive for improving the dispersibility of a particulate substance in an organic medium, a thermoplastic polymer, or a thermosetting resin, is at least one compound having a ##STR1## bond in the molecule, including, for example, compounds having... | 03/15/1994 |
| 5286266 | Motor fuel detergent additives - asymmetrical ureas of hydrocarbyloxypolyether amines and tertiary aminoalkyl primary amines The present invention provides a novel class of compounds, useful as gasoline detergent additives, comprising asymmetrical ureas of either a hydrocarbyloxypolyether amine alone, or a hydrocarbyloxypolyether amine and a tertiary aminoalkyl primary amine. T... | 02/15/1994 |
| 5266080 | Methanol fuel containing flame luminosity agent The flame luminosity of a methanol fuel is appreciably enhanced by the addition thereto of at least one flame luminosity enhancing agent selected from the group consisting of azine dye, triarylmethane dye, fluorescein dye, imine dye and anthraquinone dye,... | 11/30/1993 |
| 5203879 | Fuel composition An amido alkanolamine composition obtained by reacting, at a temperature of 10° C.-200° C.: (a) a 4-alkyl-2-morpholinone represented by the formula: ##STR1## in which R represents a monovalent aliphatic radical having from 1 to 10 carbon atoms, an... | 04/20/1993 |
| 5157118 | N-substituted thio alkyl phenothiazines This invention describes phenothiazine derivatives which are N-substituted and which contain an additional sulfur molecule in the N substituent.... | 10/20/1992 |
| 5057123 | Method of stabilizing diesel fuels A method of stabilizing a diesel fuel formulation by substantially minimizing the oxidation thereof is disclosed. In particular, at least one amine containing copolymer is incorporated into the diesel fuel formulation in an amount sufficient to improve th... | 10/15/1991 |
| 5047069 | Antioxidants for liquid hydrocarbons An antioxidant for liquid hydrocarbons such as fuels has the structure ##STR1## wherein X is N or S; R is H or a C1 to C5 alkyl moiety; R1 and R2 are each independently C5 to C18 alkyl or c... | 09/10/1991 |
| 5035719 | Middle distillate containing storage stability additive Middle distillate fuels may be treated to improve storage stability by addition of, as additive, an acrylate polymer containing moieties derived from an N-heterocyclic amine such as 4-vinyl pyridine or the enamine ester of morpholine and propionaldehyde.... | 07/30/1991 |
| 5034019 | N-substituted thio alkyl phenothiazines This invention describes phenothiazine derivatives which are N-substituted and which contain an additional sulfur molecule in the N substituent.... | 07/23/1991 |
| 4978366 | Distillate fuels stabilized with diaminomethane and method thereof A distillate fuel, particularly one which has a high acid number initially or which develops a high acid number as a result of fuel degradation, stabilized with a diaminomethane of the formula: ##STR1## wherein R1, R2, R3 | 12/18/1990 |
| 4936866 | Lactone modified polymeric amines useful as oil soluble dispersant additives Hydroxyl terminated polymeric C5 -C9 lactone adducts are made by reacting a C5 -C9 lactone with the reaction product of a C2 -C10 olefin polymer or a halogenated derivative thereof having a ... | 06/26/1990 |
| 4919685 | Stable middle distillate fuel-oil compositions A stable middle distillate fuel-oil composition which comprises (a) a major portion of a middle distillate fuel-oil; and (b) a minor amount, as a storage stabilizing additive, of an aliphatic N(N',N'-dimethyl aminopropyl) succinimide of a copolymer and maleic ... | 04/24/1990 |
| 4918020 | Analyzing marker dyes in liquid hydrocarbon fuels A method for analyzing marker dye present in the parts per million range in gasoline is provided using a solid-phase extraction technique with formation of the colored complex in the extraction column as well as a method for detecting the adulteration of ... | 04/17/1990 |
| 4900427 | Antifoulant compositions and methods Fouling of heat exchangers in chemical processing or oil refining systems is inhibited by incorporating into a petroleum derived stock an effective antifouling amount of a mixture of (a) a condensation product of an alkylphenol, an aldehyde, and an amine; ... | 02/13/1990 |
| 4897087 | Diisocyanate derivatives as ashless fuel dispersants and detergents and fuel compositions containing same Reaction products in which polyethers are connected to polyamines using diisocyanates have been found to be effective ashless dispersants and detergents for fuel.... | 01/30/1990 |
| 4877416 | Synergistic fuel compositions Disclosed is a synergistic fuel composition containing a hydrocarbyl-substituted amine or polyamine and a poly(oxyalkylene) monool. These compositions provide for an unexpected decrease in those deposits which have been correlated to Octane Requirement In... | 10/31/1989 |
| 4867753 | Olefinic hydrocarbon modification with sulfur imides Hydrocarbon compositions, including oligomers and polymers, for use in improving the thermo-oxidative stability and the dispersancy and viscosity index improvement (for high molecular weight) properties of fuels and lubricating oils are disclosed. These c... | 09/19/1989 |
| 4866135 | Heterocyclic amine terminated, lactone modified, aminated viscosity modifiers of improved dispersancy Polymer C5 -C9 derivatives are made by reacting a C5 -C9 lactone with an aminoalkyl derivative, e.g., N-(3-aminopropyl) morpholine, to form an adduct having a hydroxyl group on one end thereof and a tertiary ami... | 09/12/1989 |
| 4810262 | Fuel compositions A fuel composition comprising a distillate fuel oil and a wax crystal modifier of a derivative of (1) a monocyclic compound having at least 7 ring atoms or of (2) a polycyclic compound, said derivative comprising two substituents attached to adjoining rin... | 03/07/1989 |
| 4740321 | Two-cycle engine oils containing sulfurized alkyl phenols Lubricating oils are described which are useful in two-cycle engines. These oils contain a minor amount of at least one phenolic compound of the general formula: (R)a --AR--(OH)b, or salts thereof, wherein R is a substantially saturated, ... | 04/26/1988 |
| 4737159 | Corrosion inhibitor for liquid fuels A corrosion inhibitor for use in liquid hydrocarbon fuels or gasoline oxygenate blends is disclosed. The corrosion inhibitor contains from 35 to 70 wt % of a monoalkenylsuccinic acid wherein the alkenyl group has 8 to 18 carbon atoms, from about 30 to 65 ... | 04/12/1988 |
| 4692268 | Method for controlling viscosity of organic liquids and compositions A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of from about 6 to about 10.5, which comprises incorporating in said organic liquid a minor amount of a polymer complex, said complex being formed... | 09/08/1987 |
| 4666461 | Fuel treatment compositions Corrosion inhibiting additive compositions for use in alcohol and alcohol containing normally liquid hydrogen fuels derived by the reaction of at least one phosphoric acid reactant and at least one amine selected from the group consisting of morpholines a... | 05/19/1987 |
| 4613342 | Hydrocarbyl substituted carboxylic acylating agent derivative containing combinations, and fuels containing same A composition comprising: (A) a first component selected from the group consisting of: (i) an oil-soluble ethylene backbone polymer having a number average molecular weight in the range of about 500 to about 50,000; (ii) a hydrocarbyl-substituted phenol of the form... | 09/23/1986 |
| 4599090 | Method for preparing nitrogen- and oxygen-containing compositions useful as lubricant and fuel additives Nitrogen- and oxygen-containing compositions prepared by reacting, in the presence of an acid catalyst, (A) at least one aliphatic hydroxy compound of the formula wherein R1 is an aliphatic hydrocarbon-based radical and x is an integer which is at l... | 07/08/1986 |
| 4565547 | Detergent composition for fuel-system parts The detergent composition of this invention, which is suitable for fuel-system parts, contains a saturated or unsaturated fatty acid containing 18 carbon atoms, a mixture of ammonia and amine an ester of a higher fatty acid, and water. It is also possible... | 01/21/1986 |
| 4522735 | Polyphosphoramidite oligomers and stabilizer compositions thereof Amines are reacted with phosphorous trichloride to form N-dichlorophosphinoamines that are then reacted with a bisphenol in about equimolar amounts to provide polyphosphoramidite oligomers. The polyphosphoramidite oligomers are effective as stabilizers fo... | 06/11/1985 |
