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Document Title |
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6743266 |
Fuel additive composition for improving delivery of friction modifier
A fuel additive composition for improving the delivery of friction modifier to the lubricant oil of an internal combustion engine comprising (a) a friction modifying amount of a reaction product of...
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6589302 |
Friction modifier for poor lubricity fuels
An additive concentrate for improving the lubricity of low sulfur fuels comprises an additive composition diluted in an aromatic solvent, said composition comprising the reaction product of a first...
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6458173 |
Fuel additive and fuel composition containing the same
The invention provides the use of a poly(hydroxy-carboxylic acid)amide or -ester derivative of general formula I: wherein R is the residue of an amine, an aminoalcohol or a polyol linked to the...
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6361573 |
Fuel dispersants with enhanced lubricity
Reaction products of i) a hydroxyl-group containing compound; ii) an amine-group containing compound, wherein component ii) is different from component i); and iii) a hydrocarbyl-substituted...
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6133209 |
Polyolefins and their functionalized derivatives
The present invention relates to at least simply unsaturated polyolefins with a number mean molecular weight in the range of 400 to 1,500 dalton and a dispersibility of M W /M N <1.2, obtained...
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6071318 |
Bifunctional cold resistance additive for fuels, and fuel composition
A bifunctional anti-settling and dispersant additive for middle distillates from 150-450° C. petroleum fractions, characterized in that consists of at least one modified copolymer with a...
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6053955 |
Polyether amino acid ester compounds, preparation method and use thereof
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6013115 |
Fuel additive compositions for simultaneously reducing intake valve and combustion chamber deposits
Engine deposits are reduced by adding an effective deposit-controlling amount of esteramine to hydrocarbon fuel.
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5964907 |
Fuel compositions containing esteramines
Engine deposits are reduced by adding an effective deposit-controlling amount of an esteramine to hydrocarbon fuel.
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5928393 |
Fuel additive
A fuel additive which comprises a compound selected from a novel amine, oxygen-containing and nitrogen-containing compounds having selected structures. The inventive additive when blended with a...
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5906970 |
Additives and oleaginous compositions containing a dendrine coldflow improver additive
A dendrimer-based cold flow additive material.
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5891203 |
Fuel lubricity from blends of a diethanolamine derivative and biodiesel
This invention relates to the use of blends of diethanolamine derivatives and biodiesel as an additive for improving lubricity in low sulfur fuels and to fuels and additive concentrates comprising...
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5696067 |
Hydroxy-group containing acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions
Compositions comprising hydroxyl group containing acylated nitrogen compounds, a process for reacting certain carboxylic reactants with olefinic compounds then reacting the product prepared thereby...
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5656040 |
Aminoaromatic ester polylactone aminocarbamates and fuel compositions containing the same
Aminoaromatic ester polylactone aminocarbamates having the formula: ##STR1## wherein R 1 is an alkyl group having from 1 to about 100 carbon atoms or an aralkyl or alkaryl group having from 7 to...
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5628803 |
Polyalkylphenyl and polyalkyloxycarbonylphenyl amino and nitro benzoates and fuel compositions containing the same
Compounds having the formula: ##STR1## and fuel soluble salts thereof; wherein R 1 is nitro or --(CH 2 ) x --NR 4 R 5 , wherein R 4 and R 5 are independently hydrogen or lower alkyl and x is 0...
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5622532 |
Polylactone aromatic esters and fuel compositions containing the same
Polylactone aromatic esters having the formula: ##STR1## wherein R 1 is a hydrocarbyl group having a sufficient number of carbon atoms to render the compound soluble in hydrocarbons boiling in the...
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5597390 |
Amine ester-containing additives and methods of making and using same
A di- or tri-ester polyether unsaturated acid amine reaction product effective as a fuel additive for reducing intake valve deposits and octane requirement increase, as well as controlling...
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5538521 |
Fuel compositions containing polyalkyl and poly(oxyalkylene)aromatic esters
A fuel additive having the formula: ##STR1## wherein A 1 is a thioether, a sulfoxide, a sulfone, a sulfonic acid, a sulfonamide, a nitrile, a carboxylic acid or ester, or a carboxamide; R 1 and R...
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5492545 |
Multifunctional additives to improve the low-temperature properties of distillate fuels and compositions thereof
Additives which improve the low-temperature properties of distillate fuels are the reaction products of (1) diols, and (2) the product of pyromellitic dianhydride and combinations of two or more...
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5482523 |
Mannich condensation products of poly(oxyalkylene) hydroxyaromatic ethers and fuel compositions containing the same
Mannich condensation products prepared by the condensation of a compound of the formula: ##STR1## wherein R 1 is hydrogen, hydroxy, lower alkyl or lower alkoxy; R 3 and R 4 are independently...
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5476521 |
Branched amido-amine dispersant additives (PT-739)
The present invention is directed to a fuel additive comprising at least one adduct of (A) a polyolefin of 300 to 10,000 number average molecular weight substituted with at least 0.3 (e.g., from...
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5468263 |
Fuel composition containing alkylphenyl poly(oxyalkylene) polyamine acid ester
The present invention relates to an alkylphenyl poly(oxyalkylene) polyamine acid ester fuel detergent effective for controlling deposit generated in an automobile engine, prepared by reacting...
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5466267 |
Oligomeric/polymeric multifunctional additives to improve the low-temperature properties of distillate fuels
Additives which improve the low-temperature properties of distillate fuels are the oligomeric/polymeric reaction products of aromatic anhydrides and epoxides (or their corresponding acid/diol...
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5441653 |
Two-stroke cycle engine lubricant and method of using same
Two-stroke cycle engine lubricant and lubricant fuel composition comprise a composition prepared by reacting an aromatic compound of the formula ##STR1## with a carboxylic reactant R 1 CO(CR 2 ...
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5425789 |
Chemical compositions and their use as fuel additives
A compound of the general formula ##STR1## where X is CONR 2 or CO 2 - + H 2 NR 2 Y and Z are the same or different and selected from the group consisting of CONR 2 ,CO 2 R, OCOR, --OR,...
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5409506 |
Multifunctional fuel additives and compositions thereof
Additives which improve the low-temperature properties of distillate fuels are the reaction products of (1) diaminodiols, and (2) the product of pyromellitic dianhydride and aminoalcohols and/or...
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5281346 |
Two-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 ...
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5234612 |
Process for the production of ester derivatives useful as fuels and lubricating oil additives and novel esters produced thereby
Ester derivatives useful as fuels and lubricating oil additives are prepared by the Michael addition of an alkyl acrylate to an amine to produce an intermediate ester, followed by an ester...
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5194068 |
Ester-containing fuel for gasoline engines and diesel engines
The invention relates to a fuel for gasoline engines and diesel engines, containing small amounts of an ester of a mono- and/or poly-carboxylic acid with an alkyl alkanolamine or alkyl...
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5178641 |
Middle distillates of crude oil having improved cold flow properties
Crude oil middle distillates with improved cold flow properties, containing small amounts of A. conventional flow improver on an ethylene base, and B. copolymers which consist of 10 to 95...
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5131921 |
Polyoxyalkylene N-acyl sarcosinate ester compounds and ORI-inhibited motor fuel compositions
Motor fuel compositions comprising gasoline are improved to control octane requirement increase (ORI) by including an ester of an N-acyl sarcosinate acid or salt and a polyether polyol including...
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5080690 |
Polymer supported 1-alkyl-N,N-dialkyl aminoalcohols and fuel compositions containing same
Products of reaction between 1-alkyl-N,N-dialkyl ethanolamines and copolymers of maleic anhydride are new additives which are effective in lowering the cloud point of distillate fuels.
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5039309 |
Multifunctions additives to improve the low-temperature properties of distillate fuels and compositions thereof
Additives comprising the reaction products of aminodiols and the product of pyromellitic dianhydride and aminoalcohols and/or amines with long-chain hydrocarbyl groups improve the low-temperature...
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5039308 |
Multifunctional fuel additives
Additives which improve the low-temperature properties of distillate fuels are the reaction products of (1) diaminodiols, and (2) the product of benzophenone tetracarboxylic dianhydride and...
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5032145 |
Low temperature fluidity improver and compositions thereof
Cloud point, pour point and filterability of diesel and heating fuels are improved by the incorporation of minor amounts of an additive prepared from the reaction products of a long chain...
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4859210 |
Motor fuel or lubricant composition containing polybutyl or polyisobutyl derivatives
Fuel motor compositions and lubricant compositions contain small amounts of one or more polybutyl or polyisobutyl alcohols of the formula (I) R--CH 2 --OH ...
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4781730 |
Fuel additive comprising a hydrocarbon soluble alkali or alkaline earth metal compound and a demulsifier
The compositions described herein of an alkali metal or alkaline earth metal containing composition with or without a hydrocarbon soluble dispersant which are combined with the reaction product of...
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4776969 |
Cyclic phosphate additives and their use in oleaginous compositions
The present invention provides a novel cyclic phosphate such as 1,3-dioxa-2-phospha-6-thia-cyclooctane-2-(dodecylthiodi(ethy
leneoxy)-2-oxi de, and its use as an anti-wear, anti-oxidant, and/or...
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4643737 |
Polyol-acid anhydride-N-alkyl-alkylene diamine reaction product and motor fuel composition containing same
Gasoline of reduced combusiton chamber deposits attained by addition of, as an additive, a reaction product of alpha-hydroxy omega hydroxy-poly (oxyethylene) poly (oxypropylene) poly (oxyethylene)...
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4639256 |
Cold flow improving additive compound and fuel composition containing same
A reaction product or additive compound comprising an ester derivative of a branched chain monocarboxylic acid, wherein said ester derivative has at least one tertiary amine group and at least one...
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4600409 |
Quaternary deposit control additives
A fuel composition is disclosed containing 30 to 10,000 ppm of an additive comprising quaternized polyoxyalkylene amine salts of molecular weight 500 to about 2500, the polyoxyalkylene moiety...
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4512776 |
Ionic polymer-polylactone compositions as flow improvers for oils and fuels
A family of polymers based on amine terminated polylactones is interacted with a carboxylic or sulfonic acid or ionomer derived therefrom to create a complex or neutralized species. The resulting...
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4509954 |
Method for improving cold flow of fuel oils
The cold flow of fuel oils is improved by adding esters of addition products of epoxides of specifically limited nitrogen-containing compounds with linear saturated fatty acids or a combination of...
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4391721 |
Dispersant viscosity index improver comprising reaction product of a styrene-maleic anhydride copolymer, an aliphatic alcohol and a tertiary amino alcohol
Dispersant viscosity index improvers comprise the reaction product of an aliphatic alcohol or mixtures thereof, a tertiary amino alcohol and a styrene maleic anhydride copolymer.
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4321062 |
Hydrocarbyl substituted phenylaspartates of N-primary-alkyl-alkylene diamines and motor fuel composition containing same
Hydrocarbyl-substituted phenylaspartates of N-primary-alkyl-alkylene diamines of the formulas: ##STR1## wherein R is a hydrocarbyl radical having from about 6 to 30 carbon atoms; R' is an alkyl or...
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4231757 |
Nitro phenol-amine condensates, methods of making same, fuels and additive concentrates containing them
Nitrogen-containing compositions made by condensing a nitro phenol with an organic amino compound having at least one hydrogen atom directly bonded to a nitrogen or oxygen atom are useful as...
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4004894 |
Otto cycle engine fuels containing derivatives of cyclic polycarboxylic acids
Otto cycle engine fuels, for example gasoline, can be improved to such an extent by additives that no deposits or residues form in the carburetor or on the valves. In accordance with the invention...
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3979360 |
Compositions stabilized with benzoyloxybenzamides
Benzoyloxybenzamides having the formula ##SPC1## Wherein R 1 and R 2 are lower alkyl or cycloalkyl, R 3 and R 4 are hydrogen, lower alkyl or cycloalkyl, R 5 is hydrogen or alkyl, R...
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3959159 |
Nitrogen-containing mixed esters and lubricants
This invention is directed to a nitrogen-containing mixed ester of a carboxy-interpolymer having a reduced specific viscosity of from about 0.05 to 2.0. The carboxy-interpolymers, from which the...
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3956149 |
Nitrogen-containing esters and lubricants containing same
This invention is directed to a nitrogen-containing ester of a carboxy-interpolymer having a reduced specific viscosity ranging from about 0.05 to 2.0. The carboxy-interpolymers, from which the...
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