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Document Title |
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7553343 |
Fuels compositions for direct injection gasoline engines containing manganese compounds
Deposits and soot formation 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...
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7402186 |
Fuel composition containing a medium substantially free of sulphur and process thereof
A fuel composition contains (a) a medium substantially free of to free of sulphur; (b) a detergent/dispersant additive; and (c) a liquid fuel where the medium substantially free of to free of...
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7182795 |
Fuel lubricity additives derived from hydrocarbyl succinic anhydrides and hydroxy amines, and middle distillate fuels containing same
A middle distillate fuel additive comprising the reaction product resulting from the combining of a hydrocarbyl succinic anhydride and a hydroxyamine. The lubricating properties of low...
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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 ...
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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...
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6867171 |
Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents
This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to...
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6821307 |
Oil composition
An improved fuel oil composition comprises fuel oil and specific acylated polyalkylene polyamine.
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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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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...
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6673131 |
Fuel additive compositions and distillate fuels containing same
Improved fuel additives and distillate fuels containing said additives are described. The additives impart improved low temperature flow and filterability and also impart stability to distillate...
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6656237 |
Fuel composition with improved lubricity performance
This invention provides a fuel composition having a sulphur content of not more than 50 ppm by weight and comprising at least 50 ppm based on the total weight of the fuel composition of at least...
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6623536 |
Multifunctional additive composition for cold process treatment of middle distillates
The invention concerns a composition of mulifunctional additives for cold process treatment obtained by reacting carboxylic compounds with amine compounds, characterized in that it contains at...
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6488723 |
Motor fuel additive composition and method for preparation thereof
A motor fuel additive composition comprises a mixture of: (a) from about 5 to about 50 weight percent, based upon the total weight of the additive, of a detergent component selected from the group...
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6355074 |
Oil soluble dispersant additives useful in oleaginous compositions
Hydrocarbyl substituted C 4 to C 10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C 2 to C 10 ...
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6352566 |
Ethers of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same
Ethers of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides having the formula: or a fuel soluble salt thereof; wherein R is a polyalkyl or polyalkenyl group having an average molecular...
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6280488 |
Additives and fuel oil compositions
An additive composition comprising: (a) an ashless dispersant comprising an acylated nitrogen compound; and (b) a carboxylic acid, or an ester of the carboxylic acid and an alcohol wherein...
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6261327 |
Additive concentrates for rapidly reducing octane requirement
The present invention is directed to an additive concentrate for reducing octane requirement comprising a cyclic amide alkoxylate compound of the formula I: ##STR1## wherein x is from 3 to 11; y is...
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6206939 |
Wax anti-settling agents for distillate fuels
An additive for distillate fuels and a fuel composition having improved wax anti-settling properties. The additive is incorporated into a major proportion of distillate fuel and is a maleic...
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6203583 |
Cold flow improvers for distillate fuel compositions
An additive combination for distillate fuels and a fuel composition having improved cold flow properties. The additive combination is incorporated into a major proportion of distillate fuel and is...
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6136051 |
Method and composition for reduction of combustion chamber deposits
A fuel composition has a major portion of hydrocarbons boiling in the gasoline range, at least 1,200 ppm by weight of a detergent, and at least 2,400 ppm by weight of a mineral carrier fluid. The...
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6117198 |
Detergents for hydrocarbon fuels
Compounds comprising a Mannich reaction product of a) polyisobutene-substituted alkylated succinimide, wherein the alkylated succinimide is derived from a succinate and an alkylene polyamine; ...
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6004361 |
Low emissions diesel fuel
A low emission diesel fuel suitable for use in underground diesel-engined mining equipment comprises a straight run distillate fuel having an end point not greater than 300° C. (about 660° F.), a...
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5993497 |
Esters of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same
Esters of polyalkyl or polyalkenyl N hydroxyalkyl succinimides having the formula: ##STR1## or a fuel soluble salt thereof; wherein R is a polyalkyl or polyalkenyl group having an average molecular...
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5962378 |
Synergistic combinations for use in functional fluid compositions
The present invention provides functional fluid compositions containing a major portion of oil of lubricating viscosity and a novel and synergistic combination of an acylated nitrogen-containing...
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5954843 |
Aminocarbamates of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides and fuel compositions containing the same
Aminocarbamates of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides having the formula: ##STR1## or a fuel soluble salt thereof; wherein R is a polyalkyl or polyalkenyl group having an average...
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5944858 |
Hydrocarbonaceous fuel compositions and additives therefor
Hydrocarbonaceous fuels and additive compositions therefor which comprise: a) one or more fuel-soluble manganese carbonyl compounds; and b) one or more fuel-soluble alkali or alkaline earth...
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5928392 |
Enhanced combustion of hydrocarbonaceous burner fuels
A burner is operated by continuously feeding into its combustion zone while combustion is occurring therein, (a) a middle distillate burner fuel with which has been blended in any sequence or...
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5925151 |
Detergent additive compositions for diesel fuels
A detergent additive composition for diesel fuel contains a low molecular weight polyisobutylene monosuccinimide of polyethylene polyamine in an aromatic hydrocarbon diluent. The detergent additive...
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5916825 |
Polyisobutanyl succinimides and fuel compositions containing the same
A compound of the formula: ##STR1## wherein R 1 is a polyisobutanyl group derived from a highly reactive polyisobutene having an average molecular weight in the range of from about 500 to 5,000; R...
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5853435 |
Polymeric amine-heterocyclic reaction products as fuel and lubricant antiwear, detergency and cleanliness additives
Polymeric amine sulfur-containing heterocyclic reaction products have been found to be effective antiwear and corrosion inhibiting additives for fuels, including gasolines, and lubricants with...
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5833721 |
Additive for hydrocarbon oils
An antifoam additive for hydrocarbon oils and in particular fuel oils comprises the combination of an antifoam agent and an ashless dispersant.
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5789356 |
Synergistic combinations for use in functional fluid compositions
The present invention provides functional fluid compositions containing a major portion of oil of lubricating viscosity and a novel and synergistic combination of an acylated nitrogen-containing...
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5752989 |
Diesel fuel and dispersant compositions and methods for making and using same
A diesel fuel additive composition comprising a mixture of a dispersant and a carrier, preferably a liquid carrier fluid. The dispersant comprises at least one member of the group consisting of...
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5735915 |
Simplified process for production of alkenylsuccinimides or polyalkenylsuccinimides
A simplified process for preparation of an alkenylsuccinimide or a polyalkenylsuccinimide is described, characterized in that it comprises successively: a stage (a) in which an alkenylsuccinic...
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5725610 |
Additive composition for cold operability of middle distillates
Additive composition enhancing the low temperature operability of average distillates beyond -20° C. comprising at least 40% by weight of a composition consisting of: i) from 60 to 94% by weight...
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5620486 |
Fuel compositions containing aryl succinimides
A fuel composition comprising a major amount of hydrocarbons boiling in the gasoline or diesel range and an effective detergent amount of a compound of the formula: ##STR1## wherein R is a...
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5601624 |
Fuel composition with reaction product of oxygenated amine, dicarbonyl linking agent, and hydrocarbyl(ene) amine
Oxygenated alkyl amines synthesized using carbonyl coupling reactions have combustion chamber deposit reducing properties and oxidative stability characteristics beneficial for dispersant/detergent...
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5588973 |
Fuel compositions containing a polyisobutene succinimide detergent
A fuel composition which comprises a major amount of a liquid hydrocarbon fuel and, in an amount to provide detergency, a polyisobutene (PIB) succinimide derived from the reaction of a...
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5580484 |
Lubricating oil dispersants derived from hydroxy aromatic succinimide Mannich base condensates of heavy polyamine
The present invention is directed to lubricating oil and fuel dispersants comprising hydroxy aromatic succinimide Mannich Base condensates of heavy polyamine. A heavy polyamine is a mixture of...
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5575823 |
Diesel fuel compositions
Heavy diesel fuels, especially those containing sulphur and intended for marine or railroad use, are improved by incorporation therein of a combination of a cyclomatic manganese tricarbonyl and an...
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5551957 |
Compostions for control of induction system deposits
The combination of a fuel-soluble succinimide detergent/dispersant, a fuel-soluble liquid carrier or induction aid therefor, and a fuel-soluble cyclopentadienyl manganese tricarbonyl compound can...
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5525127 |
Evaporative burner fuels and additives therefor
Hydrocarbonaceous distillate fuel compositions and additive concentrates are described that provide improved performance in evaporative burners. The additive components comprise a mixture formed...
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5518511 |
Multi-functional gasoline detergent compositions
A multi-functional gasolene detergent composition providing good balance of properties leading to reduced engine deposits, little or no valve stick, and without effect on Octane Requirement...
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5516444 |
Synergistic combinations for use in functional fluid compositions
The present invention provides functional fluid compositions containing a major portion of oil of lubricating viscosity and a novel and synergistic combination of an acylated nitrogen-containing...
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5516342 |
Fuel additive compositions containing poly(oxyalkylene) hydroxyaromatic ethers and aliphatic amines
A fuel additive composition comprising: (a) a poly(oxyalkylene) hydroxyaromatic ether having the formula: ##STR1## or a fuel-soluble salt thereof; where R 1 and R 2 are each independently...
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5482519 |
Polyepoxide modified adducts or reactants and oleaginous compositions containing same
A material useful as a dispersant additive in oleaginous compositions selected from fuels and lubricating oils comprising the reaction products of: (i) at least one intermediate adduct comprised...
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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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5449386 |
Amine phosphates having a terminal cyclic imide
Amine phosphate having a terminal imide cycle resulting from the reaction, under formation conditions for an amine salt, of at least one phosphate complying with the general formula (I): ##STR1##...
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5425788 |
Additive compositions for fuels comprising nitrogen-containing products incorporating two imide rings and fuels containing them
An additive composition for fuels comprising at least one constituent (A) and at least one constituent (B), the said constituent (A) comprising at least one multinitrogen-containing compound of...
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5411559 |
Succinimides
A product formed by reacting at least one acyclic hydrocarbyl substituted succinic acylating agent such as polyisobutenyl succinic anhydride with at least one N-(alkoxyalkyl)alkanediamine such as...
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