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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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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...
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7041145 |
Fuel comprising an emulsion between water and a liquid hydrocarbon
Fuel made from an emulsion between water and a liquid hydrocarbon and polymeric surfactant, used to stabilize the emulsion, obtainable by (a) reacting (i) at least one polyolefin oligomer...
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7018433 |
Fuel comprising an emulsion between water and a liquid hydrocarbon
A fuel of an emulsion between water and a liquid hydrocarbon. The emulsion is stabilized by adding a polymeric surfactant obtainable by reaction between: (i) a polyolefin oligomer functionalized...
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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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6572847 |
Elimination of odors from lubricants by use of a combination of thiazoles and odor masks
The objectionable odors generated from lubricants is minimized by including in said lubricant a thiazole compound and grape odor mask.
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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...
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6100406 |
Benzothiazolylthio or thiadiazolylthio substituted phenols as multifunctional additives for lubricants
Suitable lubricant additives are the compounds of formulae wherein the substituents and groups have the following preferred meanings: R 1 =H; R 2 =methyl or tert-butyl; R 3 =tert-butyl; ...
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6051039 |
Diesel fuel compositions
This invention relates to a diesel fuel composition containing an additive composition made by admixing at least two components: A) at least one dicarboxylic acid having about 8 to about 500 carbon...
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5888255 |
Distillate fuel composition of reduced nickel corrosivity
A distillate fuel composition for reducing nickel corrosion in internal combustion engine by contaminants in the motor fuel such as sulfuric acid, alkyl sulfate esters, comprising a motor fuel and...
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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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5653787 |
Distillate fuel composition containing combination of silver corrosion inhibitors
A distillate fuel composition for reducing silver corrosion in two-cycle internal combustion engines which comprises motor gasoline, a lubricating oil basestock and a combination of a...
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5560755 |
Compositions useful as additives for lubricants and liquid fuels
A composition comprising at least one compound of the general formula ##STR1## wherein each Ar is independently an aromatic group having from 4 to about 30 carbon atoms and from 0 to 3 optional...
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5472457 |
Gasoline additives containing alkoxylated imidazo-oxazoles
Compounds with general formula ##STR1## where R 1 represents a hydrogen atom or a hydrocarbon group containing 1 to 40 carbon atoms. R 2 represents a hydrogen atom or a hydrocarbon group...
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5336278 |
Fuel composition containing an aromatic amide detergent
A fuel composition comprising a major amount of a normally liquid fuel and a minor amount of at least one compound of the general formula ##STR1## wherein each Ar is independently an aromatic group...
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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...
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5275630 |
Metal 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...
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5217502 |
Quaternary ammonium salt derived thiadiazoles as multifunctional antioxidant and antiwear additives
Quaternary ammonium salt derived thiadiazoles provide multifunctional antioxidant/antiwear characteristics to fuels.
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5199960 |
Sulfur coupled hydrocarbyl derived mercaptobenzothiazole adducts as multifunctional antiwear additives and compositions containing same
Sulfur-coupled hydrocarbyl derived mercaptobenzothiazole adducts have been found to be effective multifunctional antiwear additives for fuels and lubricants.
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5177213 |
Succinate derivatives of 2,5-dimercapto-1,3,4-thiadiazoles
Disclosed are novel succinic acid derivatives of 2(and 5)-2-hydroxyethylthio)-1,3,4-thiadiazole. These compounds are shown to be effective multifunctional additives for improving the anticorrosion...
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H001071 |
Regeneration of solid absorbant fuel stability enhancing material
Liquid hydrocarbon fuels such as diesel fuel and aviation jet fuel are stabilized by insertion of solid porous stabilizing foam into storage tanks. Fuel-insoluble particles resulting from...
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5062863 |
Fuel compositions containing polyalkylated 1,3,4-thiadiazoles
A diesel fuel composition comprising a major portion of middle distillates and a minor wear improving amount of a 1,3,4-thiadiazole derived from 2,5-dimercapto-1,3,4-thiadiazole and one or two...
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4964880 |
Distillate fuels containing mono alkyl substituted derivatives of thiadiazoles
Distillate fuel compositions containing mono alkyl substituted derivatives of thiadiazole are effective in reducing the formation of intake valve deposits in internal combustion engines. Mono alkyl...
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4880437 |
Fuel compositions containing maleic derivatives of 2,5-dimercapto-1,3,4-thiadiazole
A diesel fuel composition comprising a major portion of middle distillates and a minor wear improving amount of a reaction product of one mole of a maleic compound and one mole of...
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4866139 |
Lactone modified, esterified dispersant additives useful in oleaginous compositions
Poly(C 5 -C 9 lactone) adducts are made by reacting a C 5 -C 9 lactone with a post reacted hydrocarbyl substituted C 4 -C 10 monounsaturated dicarboxylic acid producing material, e.g., a...
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4866141 |
Lactone modified, esterfied or aminated additives useful in oleaginous compositions and compositions containing same
C 5 -C 9 lactone derived materials are made by simultaneously reacting (a) a C 5 -C 9 lactone with (b) a polyamine, a polyol or an amino alcohol and (c) a hydrocarbyl substituted C 4 -C 10 ...
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4810397 |
Antifoulant 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...
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4795479 |
Fuel compositions containing terpene derivatives of 2,5-dimercapto-1,3,4-thiadiazole
A diesel fuel composition comprising a major portion of middle distillates and a minor wear improving amount of a reaction product of one mole of a terpene and one mole of...
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4632674 |
Diesel fuel containing a tetrazole or triazole cetane improver
There is disclosed a diesel fuel containing a cetane number improving additive such as 5-propyl-1,2,3,4-tetraazacyclopenta-2,4-diene.
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4555576 |
4,5-Dihydrothiazoles and preparation thereof
2,5-dihydrothiazoles are prepared by reacting aza-alkylene-dienes with sulfur at relatively low temperatures for example below about 160° C. Where the reaction is carried out at relatively higher...
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4518782 |
Fuel compositions containing N-alkyl glycyl imidazoline
Disclosed are fuel compositions including alcohol-extended fuels containing friction-reducing, anti-corrosion and detergent amounts of at least one fuel soluble glycine derivative of the formula: ...
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4501596 |
Motor fuel
Oxazolines, oxazoles and their derivatives blend into gasoline at high octane value.
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4292186 |
Metal complexes of alkylsuccinic compounds as lubricant and fuel additives
Fluid compositions containing a lubricant or liquid hydrocarbon fuel and a minor amount of a complex salt containing a 5- or 6-member ring are provided. These derivatives are made by complexing (1)...
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4292184 |
Thio-bis-(hydrocarbon-bisoxazolines) as oleaginous additives for lubricants and fuels
Thio-bis-(hydrocarbon-bisoxazolines) which are the reaction products of thio-bis-(hydrocarbon substituted dicarboxylic acid material), for example, thio-bis-(polyisobutenyl succinic anhydride),...
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4266944 |
Fuel compositions containing acyl glycine oxazolines
Described are acyl glycine oxazolines of the formula: ##STR1## where R is lauryl, C 11 H 23 , oleyl or stearyl; and R' is hydrogen or lower alkyl. Also disclosed are motor fuel compositions in the...
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4257780 |
Fuel compositions containing oxazolonium hydroxides
Described are fuel compositions containing oxazolonium hydroxides as detergent and corrosion inhibitor additives.
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4199463 |
Alkylene glycol esters of carboxylate half esters of 1-aza-3,7-dioxabicyclo[3.3.0] oct-5-yl methyl alcohols, their preparation and use as additives for gasoline and middle distillate fuels and lubricants
Alkylene glycol esters of carboxylate half esters of 1-aza-3,7-dioxabicyclo[3.3.0] oct-5-yl methyl alcohols which are the reaction products of organic acid materials, preferably long chain...
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4197409 |
Poly(oxyalkylene)aminocarbomates of alkylene polyamine
Fuel compositions for internal combustion engines are provided containing deposit control additives which maintain cleanliness of intake systems without contributing to combustion chamber deposits....
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4195976 |
Additive useful in oleaginous compositions
Oil soluble oxazoline reaction products of hydrocarbon substituted dicarboxylic acid, ester, or anhydride, for example polyisobutenylsuccinic anhydride, with 2,2-disubstituted-2-amino-1-alkanols,...
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4194886 |
Haloalkyl hydroxy-aromatic condensation products as fuel additives
Condensation products made by reacting an alpha-haloalkyl hydroxy-aromatic compound also having at least one non-fused hydrocarbyl substituent with at least one olefinic nitrile, carboxylic acid or...
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4176073 |
Molybdenum complexes of lactone oxazoline dispersants as friction reducing antiwear additives for lubricating oils
A molybdenum complex of a lactone oxazoline dispersant, preferably an oil-soluble lactone oxazoline obtained as a reaction product of hydrocarbyl substituted lactone carboxylic acids, for example,...
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4176074 |
Molybdenum complexes of ashless oxazoline dispersants as friction reducing antiwear additives for lubricating oils
An oil-soluble molybdenum complex of an ashless oxazoline dispersant, preferably an oil-soluble reaction product of a molybdenum compound such as molybdic oxide with 0.5 to 1 molar equivalent of a...
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4159898 |
Alkyl-guanidino-heterocyclic compounds, their manufacture and use as additives for fuels and lubricants
Alkyl-guanidino heterocyclic compound produced by alkylation with a halogenated hydrocarbon of the general formula RX n , of a guanidino-heterocyclic compound (A) of general formula: ##STR1## in...
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4116643 |
Amine salts of carboxylate half esters of 1-aza-3,7-dioxabicyclo [3.3.0] oct-5-yl methyl alcohols, their preparation and use as additives for gasoline and middle distillate fuels
Amine salts of carboxylate half esters of 1-aza-3,7-dioxabicyclo [3.3.0] oct-5-yl methyl alcohols which are the reaction products of organic acid materials, preferably long chain dicarboxylic...
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4097389 |
Novel amino alcohol reaction products and compositions containing the same
Alkenylsuccinic anhydride is reacted with an amino alcohol, such as tris(hydroxymethyl)aminomethane, to provide intermediate reaction products from which novel derivatives are obtained by reacting...
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4069023 |
Carboxylate esters of 1-aza-3,7-dioxabicyclo[3.3.0] oct-5-yl methyl alcohols, their preparation and use as additives for oleaginous compositions
Ester derivatives of 1-aza-3,7-dioxabicyclo [3.3.0] oct-5-yl methyl alcohols which are the reaction products of organic acid materials, preferably long chain dicarboxylic anhydrides such as...
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4049564 |
Oxazoline derivatives as additives useful in oleaginous compositions
Derivatives of Oxazoline reaction products of hydrocarbon substituted dicarboxylic acid, ester, or anhydride, for example octadecenylsuccinic anhydride and polyisobutenylsuccinic anhydride with...
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4035309 |
Metal-containing oxazoline additives and lubricating oils containing said additives
Metal-containing oxazoline products from the metal salt (e.g. zinc acetate) promoted reaction of hydrocarbon substituted dicarboxylic acid material, for example, polyisobutenyl-succinic anhydride,...
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3717447 |
FUEL COMPOSITIONS CONTAINING NITROGEN-HETEROCYCLIC SUBSTITUTED CARBAMATES
Compounds useful as additives in hydrocarbon fuels are prepared by reacting urea with a nitrogen-heterocyclic substituted alcohol, for example an organylimidazolinyl substituted alcohol, in the...
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