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The single bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon (i.e., carboxylic acid esters)

Subclass of:

044 - Fuel and related compositions

044300000 - LIQUID FUELS (EXCLUDING FUELS THAT ARE EXCLUSIVELY MIXTURES OF LIQUID HYDROCARBONS)

044385000 - Containing organic -C(=O)O- compound (e.g., fatty acids, etc.)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
044389000 Plural -C(=O)O- groups attached to each other directly or indirectly by nonionic bonding (e.g., polyesters, half ester-half acid compounds, etc.) 42
044401000 Alkyl ester of formic or alkanoic acids 6
044400000 Chalcogen or halogen attached indirectly to the -C(=O)O- group by nonionic bonding 3
20110107660APPLICATIONS OF HYDROXY FATTYACID DERIVATIVES AS FUELS AND FUEL ADDITIVES - The present invention is related to the use of hydroxyalkanoic acid derivatives as a fuel additive. In particular, the present invention provides the use of lower alkyl esters and/or salts of hydroxyalkanoic acid as biofuels and/or fuel additives. The present invention also provides a fuel composition including at least one fuel and lower alkyl esters and/or salts of hydroxyalkanoic acid.05-12-2011
20100251606GRAFT MODIFIED VINYL ESTER AND ETHYLENE POLYMERS, PREPARATION METHOD THEREOF AND USE OF SAME AS ADDITIVES THAT IMPROVE THE COLD PROPERTIES OF LIQUID HYDROCARBONS - This disclosure concerns the synthesis and use of novel polymers based on ethylene and vinyl esters, modified by conjugation to improve their solubility in liquid hydrocarbons, as double-purpose additives to improve the filterability and flow of liquid hydrocarbons at low temperatures, in particular for middle distillates derived from the distillation of petroleum and crude oil.10-07-2010
20130167431NON-AQUEOUS LUBRICANT AND FUEL COMPOSITIONS COMPRISING FATTY ACID ESTERS OF HYDROXY-CARBOXYLIC ACIDS, AND USES THEREOF - The use as an anti-wear additive and/or friction modifier in a non-aqueous lubricant composition and/or in a fuel composition of at least one long chain fatty acid ester of a hydroxy carboxylic acid in which the long chain fatty acid has at least 4 carbon atoms and the ester is an oil-soluble ester of a mono- or poly-hydroxy carboxylic acid having 1 to 4 groups which are independently carboxylic acid groups or lower hydrocarbyl esters thereof and in which, when the hydroxy carboxylic acid is a mono-hydroxy carboxylic acid, the ester has a long chain fatty acid ester moiety of the hydroxy group of the hydroxy carboxylic acid and, when the hydroxy carboxylic acid is a poly-hydroxy carboxylic acid, the ester has independently long chain fatty acid ester moieties of one or two of the hydroxy groups of the poly-hydroxy carboxylic acid. Also, a non-aqueous lubricant composition and a fuel composition for an internal combustion engine which comprises at least one of said long chain fatty acid esters.07-04-2013
Entries
DocumentTitleDate
20090217573AUTOMOTIVE FUELS AND FINE CHEMICALS FROM CRUDE TALL OIL - There is disclosed a method for manufacturing fatty acid alkyl esters from tall oil comprising the steps of a) esterifying tall oil in at least one esterification reactor in the presence of an acidic catalyst and an C1 to C8 alcohol to form a crude product stream comprising fatty acid alkyl esters and H09-03-2009
20130025190METHOD FOR PRODUCING NEGATIVE CARBON FUEL - A method and process is described for producing negative carbon fuel. In its broadest form, a carbon-containing input is converted to combustible fuels, refinery feedstock, or chemicals and a carbonaceous solid concurrently in separate and substantially uncontaminated form. In an embodiment of the invention, biomass is converted via discrete increasing temperatures under pressure to blendable combustible fuels and a carbonaceous solid. The carbonaceous solid may be reacted to synthesis gas, sold as charcoal product, carbon credits, used for carbon offsets, or sequestered.01-31-2013
20110192077CONVERSION OF VEGETABLE OILS TO BASE OILS AND TRANSPORTATION FUELS - The present invention is directed to methods (processes) and systems for processing triglyceride-containing, biologically-derived oils to provide for base oils and transportation fuels, wherein partial oligomerization of fatty acids contained therein provide for an oligomerized mixture from which the base oils and transportation fuels can be extracted. Such methods and systems can involve an initial hydrotreating step or a direct isomerization of the oligomerized mixture.08-11-2011
20110192076COMPOSITION HAVING IMPROVED FILTERABILITY - The present invention describes a fuel oil composition comprising at least one biodiesel oil and at least one additive for improving the filterability.08-11-2011
20120174473METHODOLOGY OF POST-TRANSESTERIFICATION PROCESSING OF BIODIESEL RESULTING IN HIGH PURITY FAME FRACTIONS AND NEW FUELS - A methodology for separation and subsequent handling of FAME fractions of biodiesel, comprising of the steps, providing a biodiesel containing several different FAME fractions mixed together, the biodiesel being at a first temperature wherein at the first temperature none of the FAME fractions of the biodiesel have crystallized; bringing the biodiesel to a first crystallizing temperature, wherein when the biodiesel reaches the first crystallizing temperature, a first FAME fraction remains in a non-crystallized, liquid phase while the remaining FAME fractions crystallize; and separating the liquid first FAME fraction from the remaining crystallized FAME fractions.07-12-2012
20100139152HETEROGENEOUS CATALYSTS FOR MONO-ALKYL ESTER PRODUCTION, METHOD OF MAKING, AND METHOD OF USING SAME - A heterogeneous catalyst for use in esterification and/or transesterification reactions is provided having the formula A06-10-2010
20100107481ANTIOXIDANT BLENDS FOR FATTY ACID METHYL ESTERS (BIODIESEL) - This invention provides stabilized biodiesels comprising (1) biodiesel, such as fatty acid methyl ester (FAME), (2) mono- or bis-hindered phenolic derived from 2,6-di-tert-butylphenol, and (3) N,N′-di-substituted para-phenylene diamine. Also methods of stabilizing biodiesel are provided involving adding (2) and (3) to (1).05-06-2010
20100132252METHOD OF PRODUCING BIODIESEL FUEL - A method of producing a biodiesel fuel oil, in which all fats or oils having an acid value of 20 or less can be used as a raw material, and in which no wastewater treatment is needed to thereby attain reduction of environmental load, and in which a biodiesel fuel oil conformable to quality standard levels can be obtained. The process for producing a biodiesel fuel comprises the steps of providing a fat or oil having an acid value of 20 or less as a raw material and heating the raw material oil in vacuum to thereby distill off any moistures, odorous substances and free fatty acids; bringing the raw material oil into contact with a hydrophilic adsorbent to thereby adsorb off any remaining free fatty acids and acidic substances; carrying out an ester exchange reaction in the presence of a potassium based alkali catalyst; and purifying light liquid components as a product of ester exchange reaction in accordance with a nonaqueous method.06-03-2010
20100064576OLIGO- OR POLYAMINES AS OXIDATION STABILIZERS FOR BIOFUEL OILS - The use of oligo- or polyamines which have a number-average molecular weight of from 46 to 70 000 and are free of phenolic hydroxyl groups for increasing the oxidation stability of biofuel oils based on fatty acid esters, or of mixtures of such biofuel oils with middle distillates of fossil origin and/or of vegetable and/or animal origin, which are essentially hydrocarbon mixtures and are free of fatty acid esters.03-18-2010
20100269405DIESEL FUEL COMPOSITION - Disclosed is a diesel fuel composition obtained by mixing a diesel oil and a biodiesel oil, which can be used in popular diesel cars. The diesel fuel composition enables remarkable reduction in sludge formation. Specifically disclosed is a diesel fuel composition obtained by mixing a diesel oil containing an aromatic component and a biodiesel oil. The diesel fuel composition is characterized in that the biodiesel oil content in the diesel fuel composition is 10-50% by volume, and the aromatic component content in the diesel oil is not less than 30% by volume.10-28-2010
20130055625METHOD FOR PRODUCING BIODEISEL FUEL AND BIODEISEL FUEL COMPOSITION - Provided is a method for producing biodiesel fuel having an excellent oxidative stability and fluidity at low temperature, wherein the method provides selective hydrogenation of a poly-unsaturated fatty acid alkyl ester to the mono-unsaturated fatty acid alkyl ester while inhibiting the formation of the trans-isomer, and a biodiesel fuel composition. In the method for producing biodiesel fuel, a fatty acid alkyl ester prepared from fat and/or waste edible oil by transesterification reaction, and/or (2) a fatty acid alkyl ester treated by esterification reaction of a fatty acid is hydrogenated in the presence of a hydrogenation catalyst containing at least one of noble metals selected from those of Groups 8-10 in the periodic table under low hydrogen pressure.03-07-2013
20090056203BRANCHED CARBOXYLIC ACIDS AS FUEL LUBRICITY ADDITIVES - Certain branched carboxylic acids may serve as improved lubricity additive compositions in distillate fuels, and in particular for cold weather applications. Suitable branched carboxylic acids may include, but are not necessarily limited to, isostearic acid, neodecanoic acid, isononanoic acid, neononanoic acid, neoundecanoic acid, isovaleric acid, pivalic acid, and the like and mixtures thereof. The branched carboxylic acids may be used alone or together with straight chain carboxylic acids, and optionally with an aromatic solvent.03-05-2009
20080295396Fuel Preparation - The invention relates to a fuel preparation for use in diesel engines consisting of plant oil mono-alcohol esters and up to 20 weight percent linear and branched paraffins and olefins of chain length C5-C11 and alcohols of chain length C2-C8, whereby the paraffins, olefins and alcohols are obtained by means of gasification of biomass and subsequent Fischer-Tropsch synthesis not involving any processing of the Fischer-Tropsch fraction by means of hydrogenating procedures and the preparation has a flash point >55° C. and a density >820 kg/m12-04-2008
20100071259SYSTEMS AND METHODS FOR PRODUCTION OF MIXED FATTY ESTERS - Disclosed herein are various embodiments regarding the production of mixed fatty esters. Disclosed herein are various embodiments regarding the use of mixed alcohol compositions for the production of fatty esters.03-25-2010
20110146142SYSTEMS AND METHODS FOR PRODUCTION OF MIXED FATTY ESTERS - Disclosed herein are various embodiments regarding the production of fatty acid methyl esters. Disclosed herein are various embodiments regarding the use of methanol compositions for the production of fatty esters.06-23-2011
20110030269LUBRICANT COMPOSITION - A lubricant composition is suitable for use in diesel engines and is resistant to degradation by oxidative by-products of biodiesel fuel. The composition includes (A) a base oil, (B) at least one diphenylamine antioxidant, and (C) at least one antioxidant. The antioxidant (C) is selected from the group consisting of a sulfur containing phenolic antioxidant, a phenyl-alpha-naphthylamine antioxidant, and combinations thereof. The lubricant composition is formed using a method. In the method, the (A) base oil has an initial oxidation value measured according to ASTM D 6186. In addition in the method, the lubricant composition includes up to about 6 wt % of the biodiesel fuel and has a final oxidation value measured according to ASTM D 6186 that is equal to or greater than the initial oxidation value of the (A) base oil.02-10-2011
20120285078SYNERGISTIC BIOFUEL BLENDS AND RELATED METHODS - The invention provides synergistic biofuel blends comprising a petroleum distillate and two or more fatty acid alkyl ester-containing biofuels. Methods for making synergistic biofuel blends are also provided.11-15-2012
20090107034METHOD OF PRODUCING A FATTY ACID ALKYL ESTER, AND FUEL - A method of producing a fatty acid alkyl ester, containing: conducting an transesterification reaction of an oil or/and fat with a straight-chain or branched alcohol having 1 to 4 carbon atoms, in the presence of a phosphoric acid alkali-metal salt; and a fuel containing the fatty acid alkyl ester produced by the method in a given ratio.04-30-2009
20100199548SYSTEMS AND METHODS FOR THE PRODUCTION OF FATTY ESTERS - Disclosed herein are various embodiments regarding the use of impure and/or unrefined alcohol in the production of fatty esters. Various production hosts that are capable of producing a fatty ester from an impure or unrefined alcohol are also disclosed.08-12-2010
20080276525Method for the Solution Crystallization of Mixtures of Substances - A method for solution crystallization of mixtures of substances includes: providing a liquid mixture of substances including at least one component substance having an elevated melting point; drawing off a substream from the mixture of substances; feeding the substream to a heat exchanger so that the substream flows through the heat exchanger; cooling the substream in the heat exchanger to a temperature below a crystallization temperature of only the at least one component substance so that crystals from the at least one component substance form in the substream at an outlet of the heat exchanger; blending the substream including the crystals into the mixture of substances so that the crystals in the mixture of substances selectively bind other substances as a result of crystal growth; and providing for sedimentation and precipitation of the crystals in the mixture of substances.11-13-2008
20120285077Process of Producing Oil from Algae Using Biological Rupturing - A process for production of biofuels from algae can include cultivating an oil-producing algae, extracting the algal oil, and converting the algal oil to form biodiesel. Extracting the algal oil from the oil-producing algae can include biologically rupturing cell wall and oil vesicles of the oil-producing algae using at least one enzyme such as a cellulose or glycoproteinase, a structured enzyme system such as a cellulosome, a virus, or combination of these materials.11-15-2012
20100242347DIESEL FUEL BASED ON ETHANOL - A diesel fuel based on ethanol is described, which comprises about 60 to about 90% (v/v) ethanol, up to about 20% (v/v) of a linear dialkyl ether with a chain length of about 10 to about 40 as well as mixtures thereof, and 0 to about 30% (v/v) combustion accelerator.09-30-2010
20110283605DETOXIFIED AND TRANSESTERIFIED ARGEMONE OIL AS BIO-ADDITIVE - Disclosed herein is the detoxified and transesterified 11-24-2011
20110131869Two-Stage Process for Producing Oil from Microalgae - A process for production of biofuels from algae can include cultivating an oil-producing algae by promoting sequential photoautotrophic and heterotrophic growth. The method can further include producing oil by heterotrophic growth of algae wherein the heterotrophic algae growth is achieved by introducing a sugar feed to the oil-producing algae. An algal oil can be extracted from the oil-producing algae, and can be converted to form biodiesel.06-09-2011
20110289831MARKER COMPOUNDS FOR LIQUID HYDROCARBONS AND OTHER FUELS AND OILS - A compound having formula (I)12-01-2011
20100257777PRODUCTION OF COMMERCIAL BIODIESEL FROM GENETICALLY MODIFIED MICROORGANISMS - The invention provides a fermentation and recovery process for the production of biodiesel of commercial grade quality according to commercial and environmental standards (e.g., ASTM ANP, or EPA trace elements and emissions standards), by fermentation of carbohydrates using a genetically modified microorganism. The process provides a direct route for the production of fatty esters, without the need for producing oils which are later chemically transesterified with the concomitant production of large quantities of glycerin and other undesirable side-products.10-14-2010
20100170145Catalyst for production of biodiesel and its production method, and method for producing biodiesel - A fibrous catalyst for production of biodiesel by transesterification of oil/fat and alcohol, in which a graft chain is introduced into a polymer fiber substrate through graft polymerization, and the graft chain has one or more functional groups selected from amino groups and quaternary ammonium groups, and a hydroxide ion. The catalyst for biodiesel production can produce a large quantity of biodiesel efficiently in a short period of time07-08-2010
20100170144Hydroprocessing Microalgal Oils - Fuels and other valuable compositions and compounds can be made from oil extracted from microbial biomass and from oil-bearing microbial biomass via hydroprocessing and/or other chemical treatments, including the alkaline hydrolysis of glycerolipids and fatty acid esters to fatty acid salts.07-08-2010
20100170143CATALYSTS, SYSTEMS, AND METHODS FOR PRODUCING FUELS AND FUEL ADDITIVES FROM POLYOLS - The present invention relates to catalysts, systems, and methods for producing products such as fuels and fuel additives from polyols. In an embodiment, the invention includes a method of producing a fuel additive, including combining a polyol and a component selected from the group consisting of alcohols and organic acids to form a reaction mixture and contacting the reaction mixture with a metal oxide catalyst at a temperature of greater than about 150 degrees Celsius. Other embodiments are also included herein.07-08-2010
20100257778PRODUCTION OF FATTY ACID DERIVATIVES - Methods and compositions for producing fatty acid derivatives, for example, fatty esters, are described.10-14-2010
20090277077BIODIESEL FUEL AND METHOD OF MANUFACTURE THEREFOR - A method for producing biofuel by a transesterification reaction of an alcohol and a triglyceride such as an oil or fat is carried out at supercritical conditions in a reactor using a stoichiometric excess of alcohol. The reaction products of biofuel and gaseous mixture of glycerin and alcohol are re-cycled through a series of heat exchangers which transfer heat to respective pre-heaters to sequentially raise the temperature and pressure of the reaction mixture prior to delivery to the reactor. Any excess alcohol after separating and recovering gaseous glycerin therefrom is recycled and mixed with “fresh” alcohol. Preferably, the process is a non-catalytic continuous process.11-12-2009
20090090048Fuel compositions with mono- or di- butyl succinate and method of use thereof - Fuel compositions comprising primarily a mono- or di-butyl succinate as an oxygenation additive are described. The fuels can be diesel fuels which generate carbon based particulates in diesel engines. The result is reduced emissions of particulates from the diesel engines.04-09-2009
20090255172Aviation Fuel Composition - The present invention relates to an aviation fuel composition comprising 10-15-2009
20110203167USE OF MIXTURES OF ALKYLALKANOLAMINES AND ALKYLHYDROXYLAMINES AS STABILIZERS FOR ALKYL ESTER FUELS - A stabilized alkyl ester fuel is disclosed. The stabilized alkyl ester fuel comprises alkyl esters, an effective amount of an alkylalkanolamine, and an effective amount of an alkylhydroxylamine. The alkyl ester fuel is stabilized to oxidative degradation of the alkyl esters of unsaturated fatty acids found in alkyl ester fuels.08-25-2011
20100058652Method for Obtaining Fuels from Vegetal and Animal Fat Waste and Installation for Carrying out Said Method - The present disclosure relates to a method for obtaining fuels from vegetable and/or animal fat waste which contain, in addition to fat and/or oils, free fatty acids. The free fatty acids contained in the fat waste are reacted at reaction temperatures of above 220° C. with at least one polyvalent alcohol in the absence of enzymatic and solid neutral catalysts so as to produce the esterification of the free fatty acids.03-11-2010
20090038211NOVEL SYNTHETIC FUEL AND METHOD OF PREPARATION THEREOF - Disclosed is a novel synthetic fuel as alternative to diesel, wherein said synthetic fuel comprises branched esters and wherein the fuel having improved fuel properties such as zero aromatic, zero olefin, zero sulphur, low pour, high cetane diesel fuel with improved lubricity and oxidative stability. Further, the present invention provides a method of preparation of said esters.02-12-2009
20130118061METHOD OF EXTRACTING TRIGLYCERIDES OR FATTY ACID METHYLESTERS FROM LIPIDS OF MICROALGAE BELONGING TO HETEROKONTOPHYTA OR HAPTOPHYTA AND METHOD OF PRODUCING BIODIESEL USING THE EXTRACTS - Disclosed is a method of extracting fatty acid methyl esters as the main component of biodiesel from microalgae and producing biodiesel using the extracts. The method includes a process of extracting vegetable oil including triglyceride from microalgae; a process of adding a catalyst-containing alcohol to the extracted vegetable oil and transesterifying the oil while slowly heating the solution to a suitable temperature; a process of, after the completion of the transesterification, cooling the reaction product so as to be separated into crude biodiesel and the byproduct glycerol; a process of separating and washing the upper crude biodiesel layer; and a process of performing gas chromatography to analyze the content and yield of the washed biodiesel. A process for production of microalgae-derived biodiesel is provided and the process is very useful for producing microalgae-derived biodiesel that is more cost-effective than plant-derived biodiesel.05-16-2013
20120137574SYSTEMS AND METHODS FOR HARVESTING ALGAE - Provided herein are systems and methods for producing biofuel from microalgae that use a population of zooplankton to harvest microalgae in a culture. The methods further comprise gathering the zooplankton, extracting lipids from the zooplankton, and processing the lipids to form biofuel. The systems provided herein comprise at least one enclosure comprising microalgae, means for making the microalgae available to a population of zooplankton, and means for gathering the zooplankton.06-07-2012
20110219675ENZYMATIC PRODUCTION OF FATTY ACID ETHYL ESTERS - The invention relates to a method of producing fatty acid ethyl esters comprising: a) reacting a substrate comprising triglycerides, diglycerides, monoglycerides, free fatty acids, or any combination thereof, with at least one immobilized lipolytenzyme, to provide a reaction mixture wherein the enzyme loading is below 30% w/w with respect to the substrate, and the molar ratio of ethanol to fatty acid (EtOH:FA) is at least 3.0 equivalents; b) separating the immobilized lipolytic enzyme from the resulting reaction mixture; and c) subjecting the immobilized lipolytic enzyme to at least one further reaction directly without modifications.09-15-2011
20130212932SEPARATION SYSTEMS FOR DEWATERING OF FOG AND BIODIESEL FUEL PRODUCTION - The present invention provides for methods and systems that effectively separate dispersed FOG from emulsions and/or free-floating FOG from a waste stream to provide dewatered emulsions and/or separated fats, oils and greases from emulsions thereby providing value added separated product while reducing disposal of solid or liquid waste matter into landfills or water treatment facilities.08-22-2013
20130212933Production of Biodiesel Fuels Which Are Low in Glycerin and Sulfur - The present invention relates to a process and apparatus for the production of carboxylic acid esters and/or biodiesel fuel from feedstocks containing fatty acids, glycerated fatty acids, and glycerin by reactive distillation. Specifically, in one embodiment, the present invention relates to the production of biodiesel fuels having low glycerin, water, and sulfur content on an industrial scale.08-22-2013
20120102828FUEL AND BASE OIL BLENDSTOCKS FROM A SINGLE FEEDSTOCK - A method comprising providing a fatty acyl mixture comprising: (i) a C05-03-2012
20100199549Fuel Composition - A fuel composition includes a lower alkyl monool(s) and C08-12-2010
20100212219Method for Purifying Biodiesel Fuel - A method for purifying a biodiesel fuel includes the use of subjecting a biodiesel fuel to an electric field. The electric field forms a precipitate in the fuel that removes the impurities of excess catalysts and soap that are byproducts of the reaction that forms the biodiesel. This electric field assisted washing process can be applied to a biodiesel fuel in a batch process or, alternatively, in a continuous process.08-26-2010
20100236138BIODIESEL COLD SOAK FILTERING SYSTEM - A system and process of producing a biodiesel product which meets the specifications of the Cold Soak Filtration Test method (ASTM D6751-08).09-23-2010
20100242346PROCESSES FOR THE ESTERIFICATION OF FREE FATTY ACIDS AND THE PRODUCTION OF BIODIESEL - The effluent from an acid esterification of free fatty acid with alkanol to produce alkyl ester of fatty acid is contacted with glycerin to remove water and alkanol. The alkanol separated with the glycerin can be recycled to the acid esterification by contacting the glycerin with fatty acid-containing feed being passed to the acid esterification.09-30-2010
20100242345PRODUCTION OF FATTY ACIDS & DERIVATIVES THEREOF - Genetically engineered microorganisms are provided that produce products from the fatty acid biosynthetic pathway (fatty acid derivatives), as well as methods of their use.09-30-2010
20100126060BIODIESEL PRODUCTION WITH REDUCED WATER EMISSIONS - Waste water emissions from a biodiesel production facility are substantially reduced by recovering water from a spent water stream used in a water washing step in the refining of crude biodiesel which water washing removes glycerin. The water is recovered from the spent water stream is concentrated to provide an aqueous fraction which can be recycled for the water washing. The concentration also provides a glycerin-containing fraction containing that can be blended with crude glycerin by-product generated by transesterification of glycerides to make the biodiesel.05-27-2010
20100313468TREATMENT OF BIOFUELS - A process, adsorbent and apparatus for treating biofuel is disclosed.12-16-2010
20110000125PRODUCTION OF FATTY ALCOHOLS WITH FATTY ALCOHOL FORMING ACYL-COA REDUCTASES (FAR) - The disclosure relates to methods of producing fatty alcohols from recombinant host cells comprising genes encoding heterologous fatty acyl-CoA reductase (FAR) enzymes. The disclosure further relates to FAR enzymes and functional fragments thereof derived from marine bacterium and particularly marine gamma proteobacterium such as 01-06-2011
20120266527Production Of Fatty Acid Alkyl Esters From Various Lipid Feedstocks - Systems and processes for commercial production of fatty acid alkyl esters for fuel applications are disclosed, wherein the fatty acid alkyl esters are produced from a lipid feedstock comprising varying component concentrations. The components may include free fatty acids, glycerides, and physical and chemical contaminants. An operator or control system may select a process route to optimize a process parameter such as a throughput of the system based on the concentration of the components. The selected process route may include transesterification and/or an esterification processes, and preliminary processes, such as pre-treatment processes, fatty-acid stripping processes, and a fatty acid distillation processes.10-25-2012
20110078946COMPOSITIONS AND METHODS FOR PROMOTING FATTY ACID PRODUCTION IN PLANTS - The invention relates to methods and products for producing fatty acids by manipulating metabolic function in plants and fungus. The fatty acids generated according to the invention may be useful in the production of biofuels.04-07-2011
20110239532HYDROCARBON COMPOSITION USEFUL AS A FUEL AND FUEL OIL CONTAINING A PETROLEUM COMPONENT AND A COMPONENT OF A BIOLOGICAL ORIGIN - The invention relates to a hydrocarbon composition, which can be used as a fuel and/or fuel oil, containing a petroleum component (A) and a component of a biological origin (B), wherein the component of a biological origin is present in a quantity of up to 75% by volume with respect to the total composition. Said component of a biological origin (B) is prepared starting from a mix of a biological origin (C) containing esters of fatty acids, with possible aliquots of free fatty acids, by means of a process which comprises the following steps: 1) hydrodeoxygenation of the mix of a biological origin; 2) hydroisomerization of the mix resulting from step (1), after possible water and gas flow separation, wherein said hydroisomerization is preferably carried out in the presence of a catalytic system comprising: a) a carrier of an acidic nature, comprising a completely amorphous micro-mesoporous silica-alumina, with a SiO10-06-2011
20100071260Method and System for Production of Biofuels Using a Fiber Conduit Reactor - A fiber reaction process whereby reactive components contained in immiscible streams are brought into contact to effect chemical reactions and separations. The conduit reactor utilized contains wettable fibers onto which one stream is substantially constrained and a second stream is flowed over to continuously create a new interface there between to efficiently bring about contact of the reactive species and thus promote reactions thereof or extractions thereby. Co-solvents and phase transfer catalysts may be employed to facilitate the process.03-25-2010
20120186143BLENDING FUELS - An additive composition for blending with fuel, the additive composition at least 3% w/w of a viscosity index (VI) improving polymer; and a solvent mixture including in the range of from 10 to 85% v/v of a middle distillate gas oil and at least 15% v/v of one or more components selected from aromatic hydrocarbons and oxygenates.07-26-2012
20100005708PREPARATION OF FATTY ACID ESTERS OF GLYCEROL FORMAL AND ITS USE AS BIOFUEL - This invention describes the preparation of fatty acid esters of glycerol formal either by a triglyceride transesterification process or, alternatively, by an esterification process of fatty acids previously obtained from the hydrolysis of triglycerides (fat splitting), with glycerol formal in the presence of an acid or basic catalyst. Also the invention describes the use of these fatty acid esters of glycerol formal prepared by said process as biofuel. In an embodiment, such biofuel is used in the preparation of other biofuels by its mixture with a product selected from a group formed by: glycerol formal, biodiesel, petrol-derived diesel, and mixtures thereof. The biofuels thus obtained are characterised to allow the complete incorporation of the glycerol obtained in the current biodiesel production process in a biodiesel fuel.01-14-2010
20110252696Fuel And Chemical Production From Oleaginous Yeast - Oleaginous yeast can be used to produce oil that can be extracted from oleaginous yeast biomass and converted into a wide variety of useful products, including fuels, hydrocarbon compositions, and/or oleochemicals.10-20-2011
20110252697METHOD AND SYSTEM FOR PRODUCING BIODIESEL - A process for producing biodiesel from fats, oils or split fatty acids containing steryl glycosides, wherein the fats, oils or split fatty acids are reacted with short-chain alkanols in the presence of a catalyst by transesterification or esterification to a fatty acid alkyl ester to obtain a first product stream, includes washing the first product stream with water in a washing device, so as to form a suspension layer on a phase boundary layer between a heavy phase rich in water and the first light phase rich in the fatty acid alkyl ester. The suspension layer is treated by introducing kinetic energy. A second product stream is withdrawn from the first light phase and intensively mixed with water to obtain a third product stream. A mechanical separation is performed on the third product stream to provide a fourth product stream and a fifth product stream. The fifth product stream is withdrawn as a heavy phase that is enriched in the steryl glycosides. A product conditioning is performed on the fourth product stream to obtain on-spec biodiesel.10-20-2011
20110113679METHODS OF REFINING AND PRODUCING FUEL FROM NATURAL OIL FEEDSTOCKS - Methods are provided for refining natural oil feedstocks. The methods comprise reacting the feedstock in the presence of a metathesis catalyst under conditions sufficient to form a metathesized product comprising olefins and esters. In certain embodiments, the methods further comprise separating the olefins from the esters in the metathesized product. In certain embodiments, the methods further comprise hydrogenating the olefins under conditions sufficient to form a fuel composition. In certain embodiments, the methods further comprise transesterifying the esters in the presence of an alcohol to form a transesterified product.05-19-2011
20110154728FUEL FORMULATIONS - A diesel fuel formulation with improved lubricity is provided containing (i) a fatty alcohol ester, (ii) an acid-based lubricity additive and (iii) an additional diesel fuel component. The ester (i) has the formula R1-C(O)—O—R2, in which R1 is for example either hydrogen or methyl and R2 is for example a C6 to C14 alkyl group.06-30-2011
20110072713Processing Lipids - A method for converting lipids to alkyl esters may include receiving a reactant comprising one or more lipids. In some cases, the reactant may include substantial amounts of polar lipids and/or free fatty acids. Some reactants may be derived from photosynthetic organisms, such as algae and/or diatoms. The reactant may be mixed with an alcohol and a catalyst to form a mixture. The mixture may be heated, for example, to a temperature between 50 and 350 degrees Celsius, including between 80 and 220 degrees Celsius. Pressure may be controlled to be between 1 and 200 bar, including between 10 and 100 bar. At least a portion of the reactant may be converted to one or more alkyl esters. A biofuel may include alkyl esters made from lipids according to various methods.03-31-2011
20090320355PROCESS FOR PRODUCING BIODESIEL - A process for producing biodiesel from natural oils and/or fats, a low molecular weight C12-31-2009
20100024285PROCESS FOR PREPARING A BIO-DIESEL - The present invention relates to a process for preparing a bio-diesel, comprising the steps of, in the presence of an additional free fatty acid source, reacting a raw oil-fat with C02-04-2010
20110296745PRODUCTION OF HIGHER QUALITY BIO-OILS BY IN-LINE ESTERIFICATION OF PYROLYSIS VAPOR - The disclosure encompasses in-line reactive condensation processes via vapor phase esterification of bio-oil to decease reactive species concentration and water content in the oily phase of a two-phase oil, thereby increasing storage stability and heating value. Esterification of the bio-oil vapor occurs via the vapor phase contact and subsequent reaction of organic acids with ethanol during condensation results in the production of water and esters. The pyrolysis oil product can have an increased ester content and an increased stability when compared to a condensed pyrolysis oil product not treated with an atomized alcohol.12-08-2011
20110296744Ethyl Acetate As Fuel Or Fuel Additive - A fuel blend consisting of a hydrocarbon-containing fuel component; and ethyl acetate is provided. The hydrocarbon-containing fuel component may be gasoline, diesel, bioethanol or biodiesel.12-08-2011
20090199463PALM DIESEL WITH LOW POUR POINT FOR COLD CLIMATE COUNTRIES - The processes of producing the low pour point palm diesel particularly but not exclusively via esterification of C18, C18:1 and C18:2 mixed fatty acids with methanol or ethanol, or fractional distillation of methyl or ethyl esters of palm oil, palm kernel oil and palm oil products, or fractional distillation of methyl or ethyl esters of palm oil, palm kernel oil and palm oil products, followed by crystallisation, or crystallisation of methyl or ethyl esters of palm oil, palm kernel oil and palm oil products, or crystallisation of methyl or ethyl esters of palm oil, palm kernel oil and palm oil products, followed by fractional distillation.08-13-2009
20090126262Process for producing mixed esters of fatty acids as biofuels - A process for producing mixed esters of fatty acids as biofuel or additive to a petroleum fuel for use in a compression ignition (CI) engine. The process preferably provides a partial transesterification of a mixture of fatty acid methyl esters with at least one alkyl alcohol containing 2 to 8 carbon atoms in the presence of a heterogeneous solid acid catalyst to produce a mixture of the fatty acid methyl esters and alkyl alcohol esters of the fatty acids.05-21-2009
20110072714PRODUCTION OF FATTY ACID DERIVATIVES - Methods and compositions for producing fatty acid derivatives, for example, fatty esters, and commercial fuel compositions comprising fatty acid derivatives are described.03-31-2011
20110000126TRANSESTERIFICATION OF VEGETABLE OILS - A method for producing diesel grade fuel of plant origin by transesterifying a refined vegetable oil with a charge of a C1-C4 alcohol in the presence of a catalyst and at least 0.2 parts by volume, related to unit volume of refined vegetable oil, of an aliphatic hydrocarbon solvent with a boiling point of −42° C. to 200° C., comprises mixing the oil, alcohol, catalyst and solvent in a single reaction vessel under homogeneous conditions which promote transesterification to 95-98% completion and which suppress reverse glycerolysis, without stopping transesterification to remove by-product polar glycerol, and without subjecting the oil/fuel mixture to a further transesterification step with a fresh charge of alcohol and catalyst.01-06-2011
20120036767CONTINUOUS CULTIVATION, HARVESTING, AND EXTRACTION OF PHOTOSYNTHETIC CULTURES - The presently described invention relates to systems for continuously culturing, harvesting, and oil extraction of algal cultures for the production of algae oils.02-16-2012
20100307051BIODIESEL PRODUCTION USING ULTRA LOW CATALYST CONCENTRATIONS IN A MEMBRANE REACTOR - A method for producing a fuel or fuel additive comprising providing a reaction mixture comprising oil and an alcohol in an oil-in-alcohol emulsion and a catalyst for converting the oil to the fuel or the fuel additive. The oil and the alcohol are reacted in the presence of the catalyst, at a concentration below that used in a conventional batch process, to produce the fuel or fuel additive. This low level of catalyst reduces the formation of diols and oxidation products that can diminish the quality of the fuel or fuel additive. The fuel or fuel additive produced is continuously removed during the reaction, effectively de-coupling the concentration of catalyst used from the rate of the two phase reaction.12-09-2010
20100132251METHOD FOR PURIFICATION OF BIODIESEL - The invention pertains to a method for purifying crude biodiesel, wherein said crude biodiesel is contacted with a clay material, said clay material having: a surface area of more than 120 m2/g; a total pore volume of more than 0.35 ml/g; a silicon content, calculated as Siθ2, of at least 60 wt.-%.06-03-2010
20100186290Method of Producing Alkyl Esters from Vegetable or Animal Oil and an Aliphatic Monoalcohol Using Membrane Separation - The present invention describes a method of producing fatty acid alkyl esters and glycerin implementing a set of transesterification reactions between a vegetable or animal oil and an aliphatic monoalcohol in the presence of a heterogeneous solid catalyst so as to obtain an effluent comprising at least alkyl esters, free glycerol, bonded glycerol and alcohol, wherein at least one stage of separation of at least a portion of the effluent is carried out in order to separate the ester produced and the bonded glycerol, said separation occurring through a membrane.07-29-2010
20110314725METHODS OF PRODUCING LIPIDS - The present invention relates to methods of producing lipids. In particular, the present invention relates to methods of increasing the level of one or more non-polar lipids and/or the total non-polar lipid content in a transgenic organism or part thereof. In one particular embodiment, the present invention relates to the use of an acyltransferase, for example, a monoacylglycerol acyltransferase (MGAT) to increase the level of one or more non-polar lipids and/or the total non-polar lipid content in plants, plant seed and/or leaves, algae and fungi.12-29-2011
20120060411MOBILE BIODIESEL PRODUCTION FACILITY - A mobile biodiesel production facility comprising a shear mixer, a centrifuge, a control unit, and a plurality of pumps needed to pump the feedstocks and reactants. Upon mixing, the feedstock and reactant mixture becomes a reaction product. A residence tank collects the reaction product, where it rests for some time and self-converts to a residence product. The residence product is then pumped to the centrifuge, where the centrifuge separates the residence product into biodiesel and a heavy phase product. The control unit coordinates the operations of the shear mixer, centrifuge, and plurality of pumps.03-15-2012
20120055079Products from step-wise extraction of algal biomasses - A method of making biofuels and valuable food and neutraceutical products includes dewatering intact algal cells to make an algal biomass, extracting neutral lipids along with carotenoids and chlorophylls from the algal biomass, and separating the carotenoids and chlorophylls. The remaining neutral lipids are esterified with a catalyst in the presence of an alcohol. The method also includes separating a water soluble fraction comprising glycerin from a water insoluble fraction comprising fuel esters and distilling the fuel esters under vacuum to obtain a C16 or shorter fuel esters fraction, a C16 or longer fuel ester fraction, and a residue comprising omega-3 fatty acids esters and remaining carotenoids. The method further includes hydrogenating and deoxygenating at least one of (i) the C16 or shorter fuel esters to obtain a jet fuel blend stock and (ii) the C16 or longer fuel esters to obtain a diesel blend stock.03-08-2012
20120055078Low-carbon high-hydrogen fuels - A low-carbon high-hydrogen fuel: which comprises a combination of additives, base oil, diesel fuel.03-08-2012
20120017493METHODS FOR PRODUCING LOW OXYGEN BIOMASS-DERIVED PYROLYSIS OILS - Methods for producing low oxygen biomass-derived pyrolysis oil are provided. Starting biomass-derived pyrolysis oil is deoxygenated by exposing the biomass-derived oil to a first catalyst in the presence of hydrogen-containing gas at first hydroprocessing conditions to produce a partially deoxygenated biomass-derived pyrolysis oil. The first catalyst has a neutral catalyst support. The partially deoxygenated biomass-derived pyrolysis oil is exposed to a second catalyst in the presence of additional hydrogen-containing gas at second hydroprocessing conditions to produce a hydrocarbon product. The biomass-derived pyrolysis oil may be esterified prior to deoxygenation. A portion of the low oxygen biomass-derived pyrolysis oil is recycled.01-26-2012
20110179698Process for producing low sulfur and high cetane number petroleum fuel - The present invention relates to a process for producing clean petroleum fuel by reducing sulfur content, and raising the Cetane Number to a value above 50, in a process that may be carried out at one atmospheric pressure.07-28-2011
20100205853Process for the Preparation of Biodiesel from Vegetable Oils Containing High FFA - The present invention provides an improved process for the preparation of biodiesel from crude vegetable oils especially Jatropha (08-19-2010
20100175309PROCESS FOR IMPROVED BIODIESEL FUEL - A process for preparing biodiesel having improved filterability characteristics including inducing transesterification of a triglyceride feedstock with cavitation to form an intermediate reaction product. Glycerol by product is separated from the intermediate reaction product before finishing the transesterification reaction in a pressurized reaction tank to yield a biodiesel reaction product. The biodiesel reaction product can be further purified by removing glycerol.07-15-2010
20110179699PROCESS FOR THE EXTRACTION OF FATTY ACIDS FROM ALGAL BIOMASS - Process for the extraction of fatty acids from algal biomass comprising: producing an aqueous suspension of algal biomass; subjecting the aqueous suspension of algal biomass to acid hydrolysis and extraction by the addition of at least one non-polar organic solvent and at least one inorganic acid to said aqueous suspension of algal biomass, so as to obtain the following three phases: (i) a semisolid phase comprising a slurry of the algal biomass; (ii) an aqueous phase comprising inorganic compounds and hydrophilic organic compounds; (iii) an organic phase comprising fatty acids and hydrophobic organic compounds other than said fatty acids.07-28-2011
20090077870FUEL ADDITIVE - A fuel additive that provides increased fuel efficiency, while at the same time reduces harmful emissions from combustion engines. The fuel additive is a combination of a synthetic oil blend, ethyl acetate and acetone. In one particular implementation, the amount of acetone is equal to at least 10% of an overall volume of the additive.03-26-2009
20120260565PROCESS AND APPARATUS FOR PRODUCING HYDROCARBONS - The present invention relates to a process for catalytically converting material of biological origin into hydrocarbons useful as fuel components. The process includes hydrodeoxygenation and isomerisation of the material. The present invention relates also to a reactor and an apparatus suitable for use in the process.10-18-2012
20120272566Biological Oils and Production and Uses Thereof - The present invention provides biological oils and methods and uses thereof. The biological oils are preferably produced by heterotrophic fermentation of one or more microorganisms using cellulose-containing feedstock as a main source of carbon. The present invention also provides methods of producing lipid-based biofuels and food, nutritional, and pharmaceutical products using the biological oils.11-01-2012
20110225878PROCESS FOR THE CONVERSION OF LIPID-CONTAINING BIOMASS - A process is disclosed for converting lipid-containing biomass to a liquid fuel and/or platform chemicals.09-22-2011
20120079760METHOD OF PRODUCING BIODIESEL FROM A WET BIOMASS - A method of producing a biodiesel from a wet biomass is provided. The method includes providing the wet biomass that includes water and biomass solids. The method also includes heating the wet biomass at a first temperature and a first pressure for a time period ranging from 10 to 480 minutes to form an aqueous solution and a solid agglomerate containing a hydrolyzed lipid component. The method also includes step of transesterifying the hydrolyzed lipid component to form biodiesel.04-05-2012
20100229460METHOD AND APPARATUS FOR THE BATCH PREPARATION OF BIODIESEL - The invention relates to a method and apparatus for the batch preparation of esters of fatty acids obtained from biological sources. In particular, the invention relates to a method and apparatus for the batch preparation of methyl esters of fatty acids obtained from waste oil or animal fats for use as biodiesel.09-16-2010
20120279111CONTINUOUS PROCESS FOR PRODUCING BIODIESEL FUEL - A continuous process for producing biodiesel fuel with a conversion of triglycerides in biodiesel above 99.90% by weight in the transesterification step, which comprises the following steps:11-08-2012
20120240452PRODUCTION OF BIODIESEL FUELS - The present invention relates to a process and apparatus for the production of improved biodiesel fuel from feedstocks containing both fatty acids and glycerides by reactive distillation. Specifically, in one embodiment, the present invention relates to the production of improved biodiesel fuels meeting or exceeding the ASTM D6751-10 Specification.09-27-2012
20110232169FUEL COMPOSITIONS - A fuel composition having an enhanced thermal stability in a diesel fuel application is provided comprising a base fuel containing: 09-29-2011
20130180163PRODUCTION OF ALKYL ESTERS FROM HIGH FREE FATTY ACID SOURCES - The invention provides a novel system for the conversion of fats, oils, and greases (FOG) from processed food sources, including but not limited to trap greases, FOG separated from prepared foods, waste streams from glycerin separation processes, “black grease” collected from the scum-layer of waste water treatment facilities, and other sources having high free fatty acid content, to their alkyl esters.07-18-2013
20080202021METHODS OF PURIFYING BIODIESEL FUELS - The invention provides methods of synthesizing and purifying methyl esters and specifically biodiesel fuels. The methods include acid-catalyzed transesterification of a triglyceride source followed by formation of an acidic emulsion that is subjected to an electric field to break the emulsion and recover the purified methyl esters. After recovery, the purified methyl esters may be used as a highly purified and stable biodiesel fuel without further treatment. The electric field may be efficiently applied to the acidic emulsion in an electrochemical reactor such as an electrocoagulation chamber.08-28-2008
20110209389Novel nano-catalyst for fast track bio-diesel production from non-edible oils - This invention describes the use of doped nanomaterials for the conversion of non-edible oils into biodiesels with no undesirable products, higher yield and conversion at room temperature and standard atmospheric pressure.09-01-2011
20110271585Method of Producing Biodiesel with Supercritical Alcohol and Apparatus for Same - A method is disclosed for obtaining an alkyl ester fuel, i.e., a biodiesel, and alcohol from a feedstock mixture of free fatty acids and/or glycerides mixed with a simple alcohol, such as methanol. The method uses an electrostatic probe to provide an electrical field within the reactor. This causes the glycerin molecules to precipitate out of the feedstock mixture. A drain is provided in the reactor, to drain the glycerin from the reactor. When the precipitated glycerin reaches a level to make contact with the electrostatic probe, an electrical circuit is closed, which causes the drain to open. When the level drops, the drain closes. Glycerin absorbs water and draining glycerin from the reactor naturally dehydrates the fuel.11-10-2011
20120005951COPOLYMER WITH HIGH CHEMICAL HOMOGENEITY AND USE THEREOF FOR IMPROVING THE COLD FLOW PROPERTIES OF FUEL OILS - A copolymer with high chemical homogeneity, consisting of (A) 50 to 30% by weight of ethylene, (B) 50 to 70% by weight of C01-12-2012
20120017494PROCESSES FOR PRODUCING LOW ACID BIOMASS-DERIVED PYROLYSIS OILS - Processes for producing a low acid biomass-derived pyrolysis oil are provided that include pre-treating a biomass-derived pyrolysis oil to form a treated acid-containing biomass-derived pyrolysis oil. The processes also include esterifying the treated acid-containing biomass-derived pyrolysis oil in the presence of supercritical alcohol and a catalyst composition to form the low-acid biomass-derived pyrolysis oil, the catalyst composition comprising a material selected from the group consisting of an unsupported solid acid catalyst, an unsupported solid base catalyst, and a catalytic metal dispersed on a metal oxide support.01-26-2012
20130192126METHOD FOR PRODUCING BIODIESEL FROM ALGAL LIPID WITH DIMETHYL CARBONATE - The present invention relates to a method for renewable energy production using biomass, more specifically, method for producing eco-friendly biodiesel with algal lipid and dimethyl carbonate.08-01-2013
20120055080ANTIOXIDANT COMPOSITIONS USEFUL IN BIODIESEL AND OTHER FATTY ACID AND ACID ESTER COMPOSITIONS - Compositions containing phenolic antioxidant solutions are provided. The invention further provides methods of making and using such compositions as well as compositions that contain both biodiesel and at least one antioxidant concentrate solutions and blended fuel compositions containing biodiesel blended with other fuels.03-08-2012
20130199084Ethanol Compositions - In one embodiment, the present invention is to an ethanol composition comprising at least 92 wt. % ethanol and from 95 wppm to 1,000 wppm isopropanol.08-08-2013
20120085022Production of Renewable Diesel By Pyrolysis and Esterification - The present invention relates to a process and apparatus for the production of diesel fuel from feedstocks containing fatty acids, glycerated fatty acids, and glycerin by catalytic and/or non-catalytic pyrolysis followed by esterification. Specifically, the present invention relates to the production of Renewable Diesel having low glycerin, water, and sulfur content.04-12-2012

Patent applications in class The single bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon (i.e., carboxylic acid esters)

Patent applications in all subclasses The single bonded oxygen is bonded directly to an additional carbon, which carbon may be single bonded to any element but may be multiple bonded only to carbon (i.e., carboxylic acid esters)