Abstract: A biodiesel fuel consisting of a dioxolane with one to three alkyl groups, a (CH2)nCH3 alkyl group where n ranges from 6 to 14, and the dioxolane has a total number of carbons that is equal to or less than 24 carbons.

Abstract: A method to generate dioxolanes from renewable feedstocks, and more specifically, these oxygenated hydrocarbons can be used as gasoline-range fuels and diesel additives.

Abstract: A diesel engine is provided with a fuel injector which injects fuel into a combustion chamber. An ECU includes a parameter obtaining portion which obtains multiple property parameters indicative of a property of the fuel, and a molecular-weight computing portion which computes multiple molecular-weights based on the multiple property parameters in view of a correlation data which defines a correlation between the multiple property parameters and the multiple molecular-weights of the fuel. Further, the ECU includes a combustion-condition computing portion which computes a combustion parameter indicative of a combustion condition of the diesel engine based on the multiple molecular-weights, and a control portion which performs a combustion control based on the combustion parameter.

Abstract: The object of the present invention relates to a composition that can be used as fuel comprising: at least one hydrocarbon mixture at least one hydrophobic ketal or acetal of glycerine. Said composition can be advantageously used as fuel for diesel or gasoline engines.

Abstract: The disclosure provides a fuel additive concentrate, a method for cleaning fuel injectors, a method for restoring power to a diesel fuel injected engine, a fuel composition, and a method of operating a fuel injected diesel engine. The additive concentrate includes (a) a hydrocarbyl substituted quaternary ammonium internal salt and (b) a hydrocarbyl substituted dicarboxylic anhydride derivative, wherein the hydrocarbyl substituent has a number average molecular weight ranging from about 450 to about 1500. A weight ratio of (a) to (b) in the additive concentrate ranges from about 1:20 to about 2:1, and the additive concentrate is devoid of a reaction product of a hydrocarbyl substituted dicarboxylic acid, anhydride or ester and an amine compound of the formula wherein R2 is hydrogen or a hydrocarbyl group containing from 1 to 15 carbon atoms, and R3 is hydrogen or a hydrocarbyl group containing from 1 to 20 carbon atoms.

Abstract: Disclosed herein is a fuel oil composition with enhanced conductivity. The oil composition comprises a Petroleum Based Component and a combination of Lubricity and Conductivity additives. In one aspect, additional additives can be added such as: (a) low temperature operability/cold flow additives, (b) corrosion inhibitors, (c) cetane improvers, (d) detergents, and (e) dyes and markers (f) anti-icing additives, (g) demulsifiers/anti haze additives, (h) antioxidants, (i) metal deactivators, (j) biocides, and (k) thermal stabilizers. Further, the present disclosure describes a method of using such composition is described.

Abstract: The invention provides new methods for the direct umpolung self-condensation of 5-hydroxymethylfurfural (HMF) by organocatalysis, thereby upgrading the readily available substrate into 5,5?-di(hydroxymethyl)furoin (DHMF). While many efficient catalyst systems have been developed for conversion of plant biomass resources into HMF, the invention now provides methods to convert such nonfood biomass directly into DHMF by a simple process as described herein. The invention also provides highly effective new methods for upgrading other biomass furaldehydes and related compound to liquid fuels. The methods include the organocatalytic self-condensation (umpolung) of biomass furaldehydes into (C8-C12)furoin intermediates, followed by hydrogenation, etherification or esterification into oxygenated biodiesel, or hydrodeoxygenation by metal-acid tandem catalysis into premium hydrocarbon fuels.

Abstract: Gasoline compositions are provided comprising component A, an alkyl alkenoate compound, or a mixture of alkyl alkenoate compounds, selected from compounds of formula I: wherein R1 is a linear alkenyl group containing 3 to 5 carbon atoms, optionally substituted by a methyl group, and R2 is a linear or branched alkyl group containing 1 to 6 carbon atoms, with the proviso that component A has a boiling point or boiling point range within the temperature range of from 90 to 200° C., and at least one additional selected component.

Abstract: Process for converting cellulose and hemicellulose into dimethyl furan, hydrolysing first cellulose in a mixture of N alkyl imidazolium chloride, hydrochloric acid 37% and an alcohol, to produce an acetal of glucose, making the dehydration to an acetal of hydroxymethyl furfural, extracting and making the hydrogenation of this acetal and distilling to produce dimethyl furan.

Abstract: A diesel fuel blending component primarily comprised of 1,2-(ditetrahydrofuryl)ethane (DTHFE) along with a method of manufacture is presented. The blending component will reduce PM and other emissions in a diesel engine. The component is manufactured from C5 sugar sources by first converting to furfural, then furion, and then hydrotreated to the desired product.

Abstract: The use of a mixture comprising (A) 5 to 95% by weight of at least one oil-soluble polar nitrogen compound which can interact with paraffin crystals in middle distillate fuels under cold conditions, and (B) 5 to 95% by weight of at least one oil-soluble aliphatic compound with an alkyl or alkenyl chain having at least 8 carbon atoms, obtainable from aliphatic mono- or dicarboxylic acids having 4 to 300 carbon atoms or derivatives thereof with mono- or polyamines or with alcohols, for lowering the cloud point in middle distillate fuels which, before the addition of additives, have a CP of ?8.0° C. or lower by at least 1.5° C. compared to the unadditized middle distillate fuel at a dosage of the mixture of 50 to 300 ppm by weight, with no simultaneous deterioration in the response behavior for the lowering of the cold filter plugging point on addition of cold flow improvers.

Abstract: Embodiments of a composition useful as a fuel or fuel additive are provided. Certain disclosed embodiments of the composition comprise petroleum distillate, at least one alcohol having a ratio of between about 1 to about 4 carbon atoms to 1 hydroxyl functional group, at least one oxygenate, optionally, at least one lubricating oil, optionally, at least one water tolerance adjustor and optionally at least one terpene, wherein the oxygenate has a flash point between about ?10° C. and about ?50° C., has at least one oxygenated functional group, and is soluble in the composition.

Abstract: A diesel fuel additive composition, a fuel containing the fuel additive, a method for improving diesel engine performance using the additive and a method for making the additive for diesel engines having a high pressure fuel injection system. The fuel additive has a number average molecular weight (Mn) of from about 500 to about 10,000 and is selected from a hydrocarbyl-substituted succinic acid or anhydride or derivative thereof and a hydrocarbyl-substituted Mannich base. The additive has a molecular weight distribution such that less than about 25 wt. % of the additive has a molecular weight of 400 or less as measured by gel permeation chromatography (GPC) based on a polystyrene calibration curve.

Abstract: Biofuel containing mixtures of isomers of alkyl glucose in the linear form, pyran or furan forms, as well as their hydrogenation products. Methyl cellulose may contain one to four methyl groups substituting hydrogen atoms in the original hydroxyl groups contained in glucose, the monomer of cellulose. Its production process from cellulose or starch uses in the first step, as a solvent, a mixture of alkyl alcohol, an ionic liquid immiscible with water like trioctyl amine, tributylamine or their mixtures as hydrochlorides and hydrochloric acid. In the second step, after the methanolysis of cellulose and the methylation of glucose catalysed by the acid, the methyl glucose molecules are separated by extraction with water. Water is evaporated and the biofuel, alkyl cellulose, is obtained and identified by elemental analysis, NMR and FT-IR. As an option, alkyl glucose is hydrogenated and converted in dimethyl tetrahydrofuran, which is a gasoline component.

Abstract: The present invention relates to an odorant comprising or consisting of (A) at least 75% by weight of acrylic acid methyl ester and/or acrylic acid ethyl ester, (B) 2-19.5% by weight of tetrahydrothiophene (THT), (C) 5-50 ppm of hydroquinone monomethyl ether, and also neither, one or both components selected from the group consisting of (D) 0.025-0.2% by weight of butylhydroxy toluene and/or butyl hydroxyanisole and (E) 5-500 ppm of one or more compounds of formula (I) wherein R is selected from the group consisting of H, —OH, —NH2, —O2CR1 and —NOCR1, wherein R1 represents an alkyl radical containing 1 to 4 carbon atoms, based on the total weight of the odorant.

Abstract: Gasoline compositions are provided comprising component A, an alkyl alkenoate compound, or a mixture of alkyl alkenoate compounds, selected from compounds of formula I: wherein R1 is a linear alkenyl group containing 3 to 5 carbon atoms, optionally substituted by a methyl group, and R2 is a linear or branched alkyl group containing 1 to 6 carbon atoms, with the proviso that component A has a boiling point or boiling point range within the temperature range of from 90 to 200° C., and at least one additional selected component.

Abstract: A gasoline composition is provided comprising: (i) base gasoline; and (ii) a composition comprising component A and at least one component selected from component B, C, D and E wherein the concentration of the components in the composition is calculated using the equation: ?n=1n=3vfnE70?E70base=E100base??n=1n=3vfnE100n wherein: n=1 is component B, n=2 is component A, n=3 is any one of components C, D or E, vfn is the volume fraction of the component n=1, 2 or 3 in the composition comprising component A and at least one component selected from components B, C, D and E, E70n is the blending E70 value of the component represented by n, E100n is the blending E100 value of the component represented by n, E70base is in the range of from 10 to 55% vol., and E100base is in the range of from 35 to 75% vol.

Abstract: The invention relates to a method for manufacture of hydrocarbon fuels and oxygenated hydrocarbon fuels such as alkyl substituted tetrahydrofurans such as 2,5-dimethyltetrahydrofuran, 2-methyltetrahydrofuran and mixtures thereof. The method generally entails forming a mixture of reactants that includes carbonaceous material water, a metal catalyst and an acid reacting that mixture in the presence of hydrogen. The reaction is performed at a temperature and for a time sufficient to produce a furan type hydrocarbon fuel. The process may be adapted to provide continuous manufacture of hydrocarbon fuels such as a furan type fuel.

Abstract: The current invention provides a method for the manufacture of 5-(substituted methyl) 2-methylfuran by reacting 5-(substituted methyl) furfural with hydrogen and a catalyst system, comprising of one or more catalysts. Within the scope of the current invention is the use of 5-(substituted methyl) furfural, and in particular 5-hydroxymethylfurfural and the ethers or esters thereof, which may be obtained from C6 sugars.

Abstract: 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 wherein R1 is H or a C1-10 hydrocarbyl group; wherein L is an optional C1-30 hydrocarbyl linker group; and wherein heterocycle is an optionally substituted heterocyclic ring.

Abstract: A diesel fuel compound has a major proportion of at least one diesel fuel and a minor proportion of at least one glycerol acetal corresponding to one of general formulas: in which: R1 and R2 each represent a hydrogen atom, a hydrocarbon radical with 1 to 20 carbon atoms, aliphatic, cycloaliphatic or aromatic, or an alkyl-ether chain, R1 and R2 being able together to form an oxygenated heterocyclic radical; R3 represents a hydrogen atom or a radical of general formula: where R4 is a radical defined as R1 or R2, except for the hydrogen atom, or a radical of general formula: where R1 and R2 are defined as above, the sum of the number of carbon atoms of R1, R2 and R3 in formulas (1) and (2) being at least 2 and it has no metal compounds of group IIA.

Abstract: A method of making a fuel composition for a modified internal combustion spark ignition engine comprising combining a fuel grade ethanol, an oxygen-containing component and at least one C6-C12 hydrocarbon. A fuel produced by such a method is also provided.

Abstract: A spark ignition motor fuel composition consisting essentially of: a hydrocarbon component containing one or more hydrocarbons selected from five to eight carbon atoms straight-chained or branched alkanes, wherein the hydrocarbon component has a minimum anti-knock index of 65 as measured by ASTM D-2699 and D-2700 and a maximum dry vapor pressure equivalent (DVPE) of 15 psi (one atmosphere (atm.)) as measured by ASTM D-5191; a fuel grade alcohol; and a co-solvent for the hydrocarbon component and the fuel grade alcohol; wherein the hydrocarbon component, the fuel grade alcohol and the co-solvent are present in amounts selected to provide a motor fuel with a minimum anti-knock index of 87 as measured by ASTM D-2699 and D-2700, and a maximum DVPE of 15 psi (1 atm.) as measured by ASTM D-5191, and wherein the fuel composition is essentially free of olefins, aromatics, and sulfur.

Abstract: 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 stabiliser is a compound of the formula H—R1 wherein H is a group comprising a heterocyclic group and R1 is a hydrocarbyl group having from 10 to 200 carbons.

Abstract: The invention provides photoluminescent markers consisting essentially of fluorene copolymers, which are colorless or nearly colorless to the naked eye and exhibit strong photoluminescence between about 380-800 nm upon exposure to ultra-violet radiation or laser light. The soluble fluorene copolymers described in this invention having a general formula as shown in Formula 1.

Abstract: A method of reducing the vapor pressure of a C3 to C12 hydrocarbon-based motor fuel mixture containing 0.1 to 20% by volume of ethanol for conventional spark ignition internal combustion engines, wherein, in addition to an ethanol component (b) and a C3 to C12 hydrocarbon component (a), an oxygen-containing additive (c) selected from at least one of the following types of compounds: alcohol other than ethanol, ketone, ether, ester, hydroxy ketone, ketone ester, and a heterocyclic-containing oxygen compound in an amount of at least 0.05 by volume of the total fuel and at least one C6-C12 hydrocarbon (d) are used in the fuel mixture, is disclosed. A mixture of fuel grade ethanol (b), oxygen-containing additive (c) and C6-C12 hydrocarbon (d) usable in the method of the invention is also disclosed.

Abstract: Diesel fuel compositions containing oxygenated compounds derived from tetrahydrofurfuryl having to the general formula: in which —X— is chosen from: —O— and —O—[CH2—O]n— with n comprised between 1 and 20 and —R is chosen from: alkyl groups containing from 1 to 30 carbon atoms; and groups containing a tetrahydrofurfuryl unit.

Abstract: A spark ignition motor fuel composition consisting essentially of: a hydrocarbon component containing one or more hydrocarbons selected from five to eight carbon atoms straight-chained or branched alkanes, wherein the hydrocarbon component has a minimum anti-knock index of 65 as measured by ASTM D-2699 and D-2700 and a maximum dry vapor pressure equivalent (DVPE) of 15 psi (one atmosphere (atm.)) as measured by ASTM D-5191; a fuel grade alcohol; and a co-solvent for the hydrocarbon component and the fuel grade alcohol; wherein the hydrocarbon component, the fuel grade alcohol and the co-solvent are present in amounts selected to provide a motor fuel with a minimum anti-knock index of 87 as measured by ASTM D-2699 and D-2700, and a maximum DVPE of 15 psi (1 atm.) as measured by ASTM D-5191, and wherein the fuel composition is essentially free of olefins, aromatics, and sulfur.

Abstract: Petroleum products are marked with a marker such as thymolphthalein or cresolphthalein. When the marked petroleum products are contacted with a developing reagent, a color develops.

Abstract: The invention provides a gasoline composition which comprises a mixture of hydrocarbons of the gasoline boiling range containing an octane requirement reducing amount of an additive which comprises a furfuryl alcohol resin or derivative thereof and the use of the additive in a concentrate for a preparation of such gasoline composition and a method of operating a spark-ignition engine using such gasoline composition.

Abstract: The invention provides a gasoline composition which comprises a mixture of hydrocarbons of the gasoline boiling range containing an octane requirement reducing amount of an additive comprising a furan derivative containing a furyl group bearing one or more substituents comprising one or more heterocyclic and/or one or more aryl groups; a concentrate for the preparation of such gasoline composition and a method of operating a spark-ignition engine using such gasoline composition.

Abstract: The invention provides a gasoline composition which comprises a mixture of hydrocarbons of the gasoline boiling range containing an octane requirement reducing amount of an additive which comprises a furfuryl alcohol resin or derivative thereof and the use of the additive in a concentrate for a preparation of such gasoline composition and a method of operating a spark-ignition engine using such gasoline composition.

Abstract: The invention presented involves a method for reducing emissions from or increasing the utilizable energy of fuel for powering diesel, gasoline or gasohol internal combustion engines, the method comprising admixing with the fuel an additive which comprises a fuel-soluble, nonionic, organometallic platinum group metal coordination composition which is a) resistant to breakdown under ambient temperatures; b) does not contain a disadvantageous amount of phosphorus, arsenic, antimony or halides; and c) has a partition ratio sufficient to maintain preferential solubility in the fuel.

Abstract: A spark ignition motor fuel composition consisting essentially of: a hydrocarbon component containing one or more hydrocarbons selected from five to eight carbon atoms straight-chained or branched alkanes essentially free of olefins, aromatics, benzene and sulfur, wherein the hydrocarbon component has a minimum anti-knock index of 65 as measured by ASTM D-2699 and D-2700 and a maximum DVPE of 15 psi as measured by ASTM D-5191; a fuel grade alcohol; and a co-solvent for the hydrocarbon component and the fuel grade alcohol; wherein the hydrocarbon component, the fuel grade alcohol and the co-solvent are present in amounts selected to provide a motor fuel with a minimum anti-knock index of 87 as measured by ASTM D-2699 and D-2700, and a maximum DVPE of 15 psi as measured by ASTM D-5191. A method for lowering the vapor pressure of a hydrocarbon-alcohol blend by adding a co-solvent for the hydrocarbon and the alcohol to the blend is also disclosed.

Abstract: Novel dihydrobenzothiophenes prepared via condensation of arylthiols and carbonyl or epoxide containing reagents have been found to be effective antioxidant and antiwear additives in lubricant applications. These additives are made from relatively low cost mercaptans and carbonyl compounds in a one-step high yield reaction.

Abstract: With an electronic control device for an internal combustion engine using an oxygenated compound mixed fuel, operating conditions of the engine are detected, and are utilized to determine fundamental control data for the engine, while the dielectric constant and the refractive index of an oxygenated compound mixed fuel supplied to the engine are detected, and the oxygenated compound content of the mixed fuel is calculated according to the dielectric constant thus detected. The refractive index, and the oxygenated compound content are utilized to estimate the distillation characteristic of the petroleum refined fuel in the mixed fuel. The fundamental control data are corrected by using first correction data determined from the oxygenated compound content and second correction data determined from the distillation characteristic.

Abstract: The use of products of the reaction of alkenyl-spirobislactones of the formula ##STR1## in which R is in each case C.sub.8 -C.sub.200 -alkenyl, with amines of the formulaNR.sup.1 R.sup.2 R.sup.3in which R.sup.1, R.sup.2 and R.sup.3 may be identical or different and at least one of these groups R.sup.1, R.sup.2 or R.sup.3 is C.sub.8 -C.sub.36 -alkyl, C.sub.8 -C.sub.36 -alkenyl or cyclohexyl and the other groups are hydrogen or a group of the formula --(A--O).sub.x H or --(CH.sub.2).sub.n --NYZ, A is --C.sub.2 H.sub.4 -- and/or --C.sub.3 H.sub.6 --, x is a number from 1 to 20, n is 2 or 3 and Y and Z may be identical or different and are hydrogen or a group of the formula (--A--O).sub.x H, as paraffin-dispersants in middle distillates and crude oil.