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8506288 Method and means for improving combustion efficiency  
A more complete combustion and a decrease in particulate emissions in the burning of a heavy fuel oil in an industrial boiler or similar combustion device is obtained by first heating the oil to a...
8308827 Diesel fuel composition  
A diesel fuel containing a soot dispersant additive which is a grafted and derivatized low molecular weight copolymer of ethylene and at least one C3-C10 alpha monoolefin is provided. Also...
8147566 Fuel additive, additive-containing fuel compositions and method of manufacture  
The present invention relates to fuel additives, fuel compositions and methods of manufacture in which the additives are provided to impart desired properties to fuels. These properties include,...
7858373 Chemical markers  
A method for marking a petroleum hydrocarbon, a biodiesel fuel or an ethanol fuel, by adding an organic marker compound.
7374588 Fuel combustion  
A stable, substantially clear and homogeneous fuel composition contains an additive comprising a nitrogen donor and carrier, the nitrogen donor being present in an amount sufficient to reduce the...
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...
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...
7081143 Alkoxylated triazine emulsion compositions for fuel cell reformer start-up  
The present invention relates to emulsion compositions for starting a reformer of a fuel cell system. In particular, the invention includes emulsion compositions comprising hydrocarbon fuel, water...
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...
5830243 Fuel compositions containing N-substituted perahydro-s triazines  
The present invention is directed to a composition made by reacting A) an aldehyde of 1 to 12 carbon atoms or a reactive equivalent thereof; and B) at least one etheramine represented by the...
5746783 Low emissions diesel fuel  
A method and matter of composition for controlling NOx emissions from existing diesel engines. The method is achieved by adding a small amount of material to the diesel fuel to decrease the amount...
5482520 Derivatized T-butyl calixarene encapsulated cyanuric acid  
The present invention provides a chemical composition comprising a t-butyl calix[8]arene encapsulated cyanuric acid derivatized with at least one C4 -C50 n-alkyl halide, n-alkaryl halide, aryl...
5324334 Macrocyclic polyamide and polycyclic polyamine multifunctional fuel additive compositions  
There are disclosed macrocyclic and polycyclic polyamine lubricating oil additives formed by cyclodehydration of reaction products of hydrocarbon substituted succinic anhydrides or carboxylic...
5322528 Composition of matter for high temperature phenolphthalein-, phenolphmalide-, fluorene-, xanthane-, and anthrone-s-triazines that are soluble in diesel fuel  
A composition of matter comprising a mixture of: a) phenolphthaleins-s-triazines; b) phenolphthalides-s-triazines; c) 9,9-bis-(4-hydroxy phenyl)fluorene -triazines; d)...
5219955 Composition of matter for encapsulation of S-triazines using poly(1-hydroxyl-(2,6-phenylene methylenes)) for thermal stability enhancement and dissolution in diesel fuel  
A composition of matter comprising a mixture of: a) 1-(poly[1-hydroxyl-(2,6-phenylene methylene)])-3,5-dihydroxy-s-triazine; b)...
5215547 Middle distillate fuels and additives therefor  
This invention relates to novel hexahydrotriazine compounds, a process for their production and their use as additives for fuels and oleaginous fluids.
5199959 Composition of matter for full and partial calix[8]arene encapsulation of S-triazines for thermal stability enhancement and dissolution in diesel fuel  
A method has been developed to solubilize hydroxy S-triazines containing at least one hydroxy function in diesel fuel and to enhance their overall thermal stability. The products which result from...
5000759 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 storage stabilizing additive, of a N-2-pyridyl...
4994197 Triazole compositions as fuel and lube additives  
Triazole compounds are grafted onto alkyl or alkenyl succinimides by using diisocyanates to effect the coupling. The process is carried out by first reacting a 1,2,3 -triazole with a diisocyanate...
4609379 Fuel additive  
It has been discovered that a fuel additive comprising a major proportion of a high molecular weight amine, and minor proportions of naptha and a poly alpha olefin synthetic oil, together with a...
4585462 Combustion improver fuel additive  
It has been discovered that a fuel additive comprising a major proportion of a high molecular weight amine, and minor proportions of naphtha and a polyalphaolefin synthetic oil, together with a...
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...
4412845 Ethanol or gasohol fuel composition containing as inhibitor a reaction product of itaconic acid and mono-oleyl-1,3-diaminopropane  
A novel fuel composition contains ethanol or gasohol plus, as a wear-inhibiting additive, a reaction product of one mole of itaconic acid and two moles of N-mono-oleyl-1,3-diaminopropane.
4367152 Selected heteroaromatic nitrogen compounds as antioxidant/metal deactivators/electrical insulators in lubricating oils and petroleum liquid fuels  
A hydrocarbon composition such as a lubricating or specialty oil containing a selected heteroaromatic nitrogen compound as an antioxidant/metal deactivator/electrical insulator having the...
4314907 Oil additive compositions for internal combustion engines  
Oil additive compositions for internal combustion engines, containing at least one dithiophosphate, at least one fatty amide and a fluorographite CFx, where x is between about 0.6 and 1, and oils...
4311841 Process of preparing hexahydropyrimidines  
This invention relates to hexahydropyrimidines (HHP) of the formula ##STR1## where R' is a substituted group and R is hydrogen or a substituted group; the process of preparing and the uses...
4281126 N-Substituted 1,2,3,4-tetrahydropyrimidines, Hexahydropyrimidines and process for their preparation  
This invention relates to the following compounds: ##STR1## Process for their preparation and uses thereof, where R1 and R2 are substituted groups, and R6, R5, R4 and R3 are hydrogen or...
4274837 Deposit control additives and fuel compositions containing them  
Fuel compositions for internal combustion engines are provided containing deposit control additives which maintain cleanliness of intake systems without contributing to combustion chamber...
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...
4185965 Amine derivatives of hydrocarbyl lactam carboxylic acids as fuel additives  
This invention relates to motor fuel compositions containing dihydroimidazoline, tetrahydropyrimidine and amide derivatives of hydrocarbyl substituted lactam acids.
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 RXn, of a guanidino-heterocyclic compound (A) of general formula: ##STR1## in...
4116875 Multifunctional substituted triazine functional fluid additives and compositions containing same  
As a new class of multifunctional additives for industrial fluids, the compounds having the following general formula: ##STR1## IN WHICH EACH X and Y represents a heterocyclic nitrogen radical and...
4085105 Hexahydropyrimidines  
This invention relates to hexahydropyrimidines (HHP) and to the preparation of HHP by the reduction of tetrahydropyrimidines (THP). HHP is preferably prepared by reacting carbonyls, such as...
4081386 Reaction mixtures from reacting di- and triazines with sulfur-containing compounds and lubricants and fuels containing the same  
Reaction mixtures made from reacting one or more substituted di- and triazines of the formula: ##STR1## wherein Q and Q' are each independently halo, hydrocarbyloxy of the formula --OR and...
4012384 7-(N-Methyl-N-alkylamino)-1,3,5-triazaadamantanes  
A series of high-density 7-(N-methyl-N-alkylamino)-1,3,5 triazaadamantanes re prepared. The preparation involves first adding the alkyl group to the parent amine by reacting the amine with a...
4003718 Substituted tetrahydropyrimidines  
Substituted tetrahydropyrimidines, both mono- and disubstituted, as exemplified by 2(2-N,N-dioctylamino-2-propyl)-3-tetradecyl-1,4,5,6-tetrahyd ropyrimidine, are useful as additives in petroleum...
3936279 Hexahydropyrimidines as fuel additives  
Distillate fuels containing minor amounts of hexahydropyrimidines sufficient to inhibit fuel deterioration.
3915970 Hexahydro-1,3,5-triazines  
A condensation product of an aldehyde, particularly formaldehyde which may be generated in situ, and an ether-amine of the formula HOCm H2m [OCn H2n ]p NH2 where m, n and p are integers,...
3907517 Normally liquid hydrocarbon compositions containing amidatriazales  
3-salicylamido and 3-benzosalicylamido-1,2,4-triazoles are provided which are useful in the enhancement of the resistance of olefin polymers to heavy metal-catalyzed oxidative deterioration....
3888773 Nitrogen compounds linked to a heterocyclic ring as multifunctional additives in fuel and lubricant compositions  
As a new class of multifunctional additives for industrial fluids, the compounds having the following general formula ##SPC1## In which each X and Y represents a heterocyclic nitrogen radical and...
3864098 Fuel additives  
N-hydrocarbyl-N-heterocyclic polyamines are found to display detergency in the internal combustion engine when present in fuels to the extent of 10-4,000 ppm. The nitrogenous composition is...
3844957 LUBRICANT AND FUEL COMPOSITIONS  
Hydrocarbyl acid phosphate salts of ditetrahydropyrimidines and petroleum hydrocarbon compositions containing the same. The salts are formed by neutralizing with a hydrocarbyl acid orthophosphate...
3818006 N-HYDROXY-AMINO-S-TRIAZINES  
Substituted hydroxylamines exhibit activity as anti-oxidants for a diverse group of substrate materials under specific conditions of exposure to an oxidizing environment. Illustrative embodiments...
3781171 ADDITIVE COMPOSITION FOR THE COMBUSTION AIR IN INTERNAL COMBUSTION ENGINES  
An additive composition for the combustion air in internal combustion engines, comprising from 40 to 80 percent by weight of an inert support, from 5 to 10 percent by weight of diphenyl, from 5 to...
3779724 NITROGEN-CONTAINING CARBOHYDRATE DERIVATIVES AND HYDROCARBON FUEL COMPOSITIONS CONTAINING SAME  
Compounds useful as additives in hydrocarbon fuels are prepared by reacting the lactone of a carbohydrate acid with a N-hydrocarbylhydrocarbylenediamine in which the amino groups are separated by...
3644277 PHENOLIC ISOCYANURATES USED AS STABILIZERS  
Novel mixed esters of isocyanuric acid have been prepared. These bis-(hydroxyphenylalkylene)alkyl isocyanurate compounds provide excellent stabilization for organic materials against oxidative,...
3531496 CYCLIC AMIDINE POLYMERS  
3488294 PROCESS OF INHIBITING CORROSION OF FERROUS METALS AND ALLOYS EMPLOYING A POLYVINYL HETEROCYCLIC POLYMER  
3637557 ESTERS OF TRIS(POLYALKYLENEOXY) ISOCYANURATES  
3623851 DISTILLATE HYDROCARBON FUEL OIL COMPOSITIONS WITH ANTI-CORROSION PROPERTIES  

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