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| Number | Title | Issue Date |
| 8133289 | Method for the synthesis of 5-alkoxymethyl furfural ethers and their use Method for the manufacture of 5-alkoxymethylfurfural derivatives by reacting a fructose and/or glucose-containing starting material with an alcohol in the presence of a catalytic or sub-stoechiometric amount of solid (“heterogeneous”) acid catalyst. The catalyst... | 03/13/2012 |
| 7713315 | Mineral oils with improved conductivity and cold flowability The invention provides mineral oil distillates having a water content of less than 150 ppm and a conductivity of at least 50 pS/m, which comprise from 0.1 to 200 ppm of at least one alkylphenol-aldehyde resin and from 0.1 to 200 ppm of at least one nitrogen-containi... | 05/11/2010 |
| 7208022 | Ethanol-diesel fuel composition and methods thereof A fuel composition for use in an internal combustion engine containing (a) a diesel fuel, (b) ethanol, (c) a surfactant, and optionally (d) a combustion improver, which provides lubricity to the engine and reduces exhaust emissions. ... | 04/24/2007 |
| 7195653 | Fuel additive This invention relates to a method for improving the efficiency with which fuel is burnt in a fuel burning apparatus, particularly an internal combustion engine, comprising dispersing an amount of at least one particulate lanthanide oxide, particularly cerium oxide,... | 03/27/2007 |
| 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 wherein R1 ... | 02/13/2007 |
| 7083690 | Catalyst system for rendering organic propellants hypergolic with hydrogen peroxide Novel catalysts capable of rendering both polar and non-polar organic fuels hypergolic with rocket-grade hydrogen peroxide are disclosed. These catalysts are complexes formed by reacting alkyl-substituted diamines or triamines, with metal salts of an aliphatic carbo... | 08/01/2006 |
| 7041738 | Cold flow improvers for fuel oils of vegetable or animal origin The present invention provides an additive for improving the cold flow properties of vegetable or animal fuel oil. The additive comprises A) a copolymer of ethylene and 8–21 mol % of at least one acrylic or vinyl ester having a C1–C1... | 05/09/2006 |
| 7014667 | Preparation of additive mixtures for mineral oils and mineral oil distillates The present invention provides a continuous process for preparing additive mixtures for mineral oils and mineral oil distillates, comprising A) a cold flow improver for middle distillates, and at least one further component selecte... | 03/21/2006 |
| 6890364 | Diesel fuel compounds containing glycerol acetals 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... | 05/10/2005 |
| 6867171 | Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to about 32 carbon atoms, and wherein at least about 50% of the olefini... | 03/15/2005 |
| 6786940 | Paraffin dispersants with a lubricity effect for distillates of petroleum products The mixture contains (a) from 5 to 95% by weight of at least one reaction product of a poly(C2-20-carboxylic acid) having at least one tertiary amino group with secondary amines and (b) from 5 to 95% by weight of at least one reaction produc... | 09/07/2004 |
| 6780209 | Partially dehydrated reaction product process for making same, and emulsion containing same The disclosed invention relates to a composition comprising a partially dehydrated product made by: (I) reacting (A) a hydrocarbyl substituted succinic acid or anhydride with (B) a polyol, a polyamine, a hydroxyamine, or a mixture of two or more thereof, to f... | 08/24/2004 |
| 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 stabiliser is a compound of the formula wherein H is a gr... | 01/13/2004 |
| 6596037 | Fatty acid mixtures of improved low-temperature stability which comprise comb polymers, and their use in fuel oils The invention relates to low-temperature-stabilized fatty acid mixtures comprising A) from 10 to 99.99% by weight of fatty acid mixtures comprising: A1) from 1 to 99% by weight of at least one saturated mono- or dicarboxylic acid having 6 to 50 carbon ato... | 07/22/2003 |
| 6527816 | Isosorbide derivatives that can be used in detergent compositions for gasoline-type fuels Compositions that comprise at least one compound that corresponds to the general formula in which R1, R2, R3 and R4 each represent a hydrogen atom or a ##STR1## hydrocarbon radical, for example alkyl, with 1 to ... | 03/04/2003 |
| 6391070 | Anti-static additive compositions for hydrocarbon fuels It has been discovered that less expensive, and in some cases synergistically effective anti-static additive blends may be added to hydrocarbon fuels to improve the conductivity thereof. The blend includes an anti-static amount of at least one hydrocarbon... | 05/21/2002 |
| 6355074 | Oil soluble dispersant additives useful in oleaginous compositions Hydrocarbyl substituted C4 to C10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C2 to C10 monoolefin, preferably polyisob... | 03/12/2002 |
| 6342081 | Cloud point depressants for middle distillate fuels An additive for distillate and a fuel composition having improved cloud point depressant properties. The additive is incorporated into a major proportion of distillate fuel and is a maleic anhydride -olefin copolymer or a polyimide having the follo... | 01/29/2002 |
| 6203583 | Cold flow improvers for distillate fuel compositions An additive combination for distillate fuels and a fuel composition having improved cold flow properties. The additive combination is incorporated into a major proportion of distillate fuel and is comprised of an ethylene vinyl acetate isobutylene terpoly... | 03/20/2001 |
| 6156081 | Combustion catalyst The invention relates to combustion catalyst compositions which when blended into liquid hydrocarbon-base fuels reduce deposits in fuel combustion systems, inhibit corrosion in fuel systems and facilitate a more efficient oxidation of fuel. The combustion... | 12/05/2000 |
| 6002056 | Colorless petroleum markers 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.... | 12/14/1999 |
| 5885944 | Low chlorine polyalkylene substituted carboxylic acylating agent compositions and compounds derived therefrom Polyalkylene substituted carboxylic acylating agents which contain chlorine are synthesized by chlorine induced condensation of polyalkylenes and -ଲ unsaturated carboxylic groups are treated with sulfur to reduce chlorine content of the carbo... | 03/23/1999 |
| 5672182 | Developer system for base reactable petroleum fuel markers Colorless markers for petroleum products and methods of detecting them.... | 09/30/1997 |
| 5527364 | Fuel additive and motor fuel composition An alkylphenoxypolyoxyalkylene amine lactone composition obtained by reacting: (a) a lactone represented by the formula: ##STR1## where n is a number between about 1 and about 5; and (b) an alkylphenoxypolyoxyalkylene amine represented by the formula... | 06/18/1996 |
| 5454964 | Substituted acylating agents This invention relates to a process for producing substituted acylating agents by the reaction of an enophile with an ene by the thermal route wherein (a) the molar ratio of the enophile to the ene is at least 3:1 and (b) the reaction pressure is raised t... | 10/03/1995 |
| 5366516 | Heterocyclic compounds useful as additives for lubricant and fuel compositions Various heterocyclic compounds have been discovered that impart improved fuel economy and friction modification to lubricant and fuel compositions. These heterocyclic compounds of the invention preferably contain nitrogen and may be further reacted with h... | 11/22/1994 |
| 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 having from 4 to about 30 carbon atoms and from 0 to... | 08/09/1994 |
| 5186720 | Use of products of the reaction of alkenyl-spiro-bislactones with amines as paraffin-dispersants The use of products of the reaction of alkenyl-spirobislactones of the formula ##STR1## in which R is in each case C8 -C200 -alkenyl, with amines of the formula NR1 R2 R3 in which R1, ... | 02/16/1993 |
| 5112507 | Polymeric dispersants having alternating polyalkylene and succinic groups Novel copolymers of unsaturated acidic reactants and high molecular weight olefins wherein at least 20 percent of the total high molecular weight olefin comprises the alkylvinylidene isomer are useful as dispersants in lubricating oils and fuels and also ... | 05/12/1992 |
| 5080686 | Alkyl or alkenyl succinic acids as corrosion inhibitors for oxygenated fuels This invention relates to a corrosion inhibited system comprising (1) an oxygenated fuel, and (2) an alkenyl or alkyl succinic acid or a polymer thereof.... | 01/14/1992 |
| 5039308 | Multifunctional fuel additives Additives which improve the low-temperature properties of distillate fuels are the reaction products of (1) diaminodiols, and (2) the product of benzophenone tetracarboxylic dianhydride and aminoalcohols and/or amines with long-chain hydrocarbyl groups at... | 08/13/1991 |
| 4904279 | Hydrocarbon fuel composition containing carbonate additive Hydrocarbon fuels heavier than gasoline, especially diesel fuel compositions, contain carbonate additives, preferably non-aromatic, metals-free carbonates, to reduce particulate emissions therefrom when combusted in an internal combustion engine.... | 02/27/1990 |
| 4900332 | Nitrogenous copolymers, their preparation and use as additives for improving the pour properties of hydrocarbon middle distillates Copolymers of average number molecular weight from about 300 to 5,000 comprising recurrent units originating (A) from alpha olefins, (B) from ,ଲ unsaturated , γ dicarboxylic compounds, (C) from unsaturated acid esters of 1,2-diols, op... | 02/13/1990 |
| 4891049 | Hydrocarbon fuel composition containing carbonate additive Hydrocarbon fuels heavier than gasoline, especially diesel fuel compositions, contain carbonate additives, preferably non-aromatic, metals-free carbonates, to reduce particulate emissions therefrom when combusted in an internal combustion engine.... | 01/02/1990 |
| 4866187 | Thio-bis(alkyl lactone acid esters) and thio-bis-(hydrocarbyl diacid esters) are useful additives for lubricating compositions Thio-bis-(hydrocarbyl substituted diacid materials), such as thio-bis-(polyalkyl lactone acid) and/or their precursors the adducts of sulfur chloride and unsaturated diacid materials, e.g., 4,8-bis-polyalkyl-4,8-dichloro-5-thiaundecane-1,2,10,11-tetracarb... | 09/12/1989 |
| 4664676 | Additives compositions useful in particular for improving the cold filterability properties of oil middle distillates Additive compositions, useful in particular for improving the cold filterability properties of oil middle distillates, comprise: (A) at least one ethylene polymer; and (B) at least one polymeric compound resulting from the condensation of at least one compound... | 05/12/1987 |
| 4654050 | Esters of carboxy-containing interpolymers An ester of a carboxy-containing interpolymer is disclosed, said interpolymer having an RSV of from about 0.05 to about 2. The esterified polymer will include at least an ester group (A) which is a carboxylic ester group having at least about 8 aliphatic ... | 03/31/1987 |
| 4608057 | Clear stable motor fuel composition A process for converting a hazy water saturated alcohol-gasoline blend into a clear, stable gasoline composition having an improved octane rating. The conversion is made by adding to and blending with the hazy gasoline, a nonionic surfactant of an alkanoi... | 08/26/1986 |
| 4604102 | Fuel compositions Coking in and around the injector nozzles of indirect injection compression ignition engines is reduced by means of distillate fuel with which has been blended suitable concentrations of (i) organic nitrate ignition accelerator and (ii) sorbitan esters. A... | 08/05/1986 |
| 4569679 | Additive concentrates for distillate fuels An additive concentrate for incorporation into wax containing petroleum fuel oil compositions to improve low temperature flow properties comprising an oil solution containing: (A) a C30 -C300 oil-soluble nitrogen salt and/or amide compoun... | 02/11/1986 |
