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Document Title |
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6083288 |
Fuel stabilizers
A strongly basic, hydrophobic amine which prevents the deposition of fuel-insoluble carboxylate deposits in fuel tanks and fuel transfer equipment is contained in a fuel additive package which...
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5997593 |
Fuels with enhanced lubricity
A reaction product of at least one C 5 -C 60 carboxylic acid and at least one amine selected from the group consisting of guanidine, aminoguanidine, urea, thioruea and the salts thereof is...
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5639718 |
Multifunctional viscosity modifiers for lubricating oil compositions with improved dispersancy and antioxidancy derived from adducts of quinone
An oil-soluble lubricating oil and fuel additive, useful as a multifunctional viscosity modifier comprising succinimide and other amine-containing polymers reacted with a quinone or substituted...
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5567213 |
Use of olefinic imines to scavenge sulfur species
A method for scavenging sulfur species from a petroleum-derived medium is disclosed. The method comprises contacting the medium with sulfur species scavenging amount of an imine of the formula...
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5223127 |
Hydrogen sulfide scavengers in fuels, hydrocarbons and water using amidines and polyamidines
A method for scavenging hydrogen sulfide in an aqueous and/or hydrocarbon medium is disclosed. According to the method, the medium is contacted with an effective amount of an amidine selected from...
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5169411 |
Suppression of the evolution of hydrogen sulfide gases from crude oil, petroleum residua and fuels
Hydrogen sulfide gas evolution during storage or transport of petroleum residua is suppressed by the incorporation of an effective amount of certain imines.
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5152807 |
Fuel oil compositions containing guanidinium salts
Sediment and color formation in diesel and heating fuel oils, especially those comprising a cracked fraction, may be reduced by incorporating in the fuel oil a guanidinium or substituted...
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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...
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4292185 |
Polymeric additive for lubricants and fuels
Polymeric additives comprising a diene-modified mono-olefinic backbone polymer functionalized with chlorosulfonyl isocyanate and post-reacted with a nitrogen compound. The additives impart combined...
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4292047 |
Benzoquinone and amine reaction product for fuels and mineral oils
A benzoquinone and hydrocarbyl amine reaction product having detergent and corrosion inhibiting properties for fuel and lubricant compositions is provided.
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4233035 |
Additives for aviation and similar fuels
A hydrocarbon fuel, especially a copper-sweetened aviation jet fuel, contains a metal deactivator which is an oxime of either an orthohydroxy aromatic ketone or α-hydroxy aliphatic ketone, or an...
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4197091 |
Metal chelate/anti-oxidant combinations with dimer-trimer acids, pipeline corrosion inhibitors
A composition for inhibiting the corrosion of ferrous metal pipelines used to transport petroleum hydrocarbons comprising a major portion of a mixture of C 36 dicarboxylic dimer acid and a C 54 ...
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4163646 |
Fuel oils containing N,N-substituted diamines
This invention relates to the hydrogenation of tetrahydropyrimidines to yield linear N-substituted diamines which can be reacted with carbonyls to form imines, which imines can be reduced to...
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4087256 |
Multiple metal deactivators, method for preparing, and use thereof
Disclosed is a reaction product and method for making same for use in supressing the ability of solubilized copper, iron, cobalt, nickel, chromium and manganese present in hydrocarbon liquids, such...
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4040799 |
Cyclohexlamines used as fuel additives
This invention relates to the reductive amination of unsaturated cyclic ketones; to cyclic amines prepared thereby; and to uses thereof. For example, when isophorone is reductively aminated,...
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4011057 |
Hindered phenol antioxidant composition containing an amino compound
An improved antioxidant composition comprising hindered phenol antioxidant wherein the improvement comprises, in combination with the hindered phenol, from about 1% to 10%, by total weight, of at...
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4003719 |
Schiff bases as biocides in petroleum products
A composition for preventing the growth of micro-organisms in petroleum hydrocarbons in contact with water by incorporating from about 0.05 to 0.1 per cent by volume of a hydrocarbon soluble Schiff...
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3923668 |
Guanidine carbonate dispersion composition
A stable dispersion of guanidine carbonate and an ashless dispersing agent in mineral oil, the guanidine carbonate having a particle size in the range of 0.001 to 0.1 micron and being present at...
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3919094 |
Additives for lubricants and motor fuels
Improved additives for lubricants and motor fuels are provided by a process comprising reacting a petroleum sulfonic acid with an adduct formed from an amine and an aldehyde. Lubricating oil...
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3647404 |
THERMALLY STABLE JET FUEL COMPOSITION
Thermally stable turbine or jet fuel composition containing (1) a hydrocarbon polymer of ethylene and a C 3 to C 4 olefin and optionally a higher olefin and (2) an aldehyde-amine condensation...
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3640692 |
STABILIZED DISTILLATE HYDROCARBON FUEL OIL COMPOSITIONS AND ADDITIVES THEREFOR
A stabilized distillate hydrocarbon fuel oil composition comprising a major proportion of a distillate hydrocarbon fuel and a minor proportion of a stabilizer comprising (a) an additive selected...
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3533763 |
PROCESS FOR DRYING,CLARIFYING AND STABILIZING HYDROCARBON LIQUIDS
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3529944 |
PROCESS FOR CLARIFYING AND STABILIZING HYDROCARBON LIQUIDS
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3461162 |
PERFLUORINATED IMINES AND AMINES
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3454380 |
FUEL COMPOSITION
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3449096 |
JET FUEL COMPOSITIONS CONTAINING AMMONIUM OXIDATES
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3449424 |
SALICYLALDIMINES
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3429674 |
OIL-SOLUBLE NITROGEN COMPOSITION
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3399041 |
Stabilization of hydrocarbon lubricating oils, greases and fuels
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3326975 |
Amide or imine hydrocarbon fuel stabilizers
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3251853 |
Oil-soluble acylated amine
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3251664 |
Fuel compositions containing branched polyalkylenepolyamines and derivatives thereof
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3240574 |
Stabilization of organic compounds
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3239519 |
Selected bis(dialkylamino)alkoxymethanes and tetrakis(dialkylamino)ethylenes and thesynthesis thereof
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3228936 |
Fluorination of urea, thiourea, guanidine, and melamine
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3227532 |
Polymer-containing motor fuel composition
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3226438 |
Method for the preparation of triaminoguanidine
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3184294 |
Condensate polymers, uses thereof, and compositions containing said polymers
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3155463 |
Stabilized jet combustion fuels
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3092475 |
Fuel composition
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3071451 |
Organic substances stabilized with a metal deactivator
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3067019 |
Thermally stable combustion gas turbine fuels
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3054824 |
N, n'-diaralkylsalicylidene diaminoalkanes and uses thereof
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3048480 |
Aviation turbine fuels
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3043783 |
Metal deactivator composition of low freezing properties
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3032973 |
Thermally stable jet fuel compositions
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3031278 |
Detergent internal combustion engine fuel
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3011879 |
Detergent automotive fuel
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2983674 |
Sweetening sour hydrocarbon distillates and sweetening agents therefor
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2928876 |
Condensation products of n-substituted dialkylenetriamines and orthohydroxy aromatic carbonyls
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