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| Number | Title | Issue Date |
| 7837748 | Composition for blending of transportation fuels Disclosed are fuel compositions for internal combustion engines comprising as a predominant component organic distillates which exhibit suitable physical properties, and a low-sulfur fraction of an alkylated petroleum feedstock which, for example, consisted of mater... | 11/23/2010 |
| 7815697 | Fuel oils composed of middle distillates and oils of vegetable or animal origin and having improved cold flow properties The invention provides a fuel oil composition comprising a fuel oil of mineral origin and a fuel oil of vegetable and/or animal origin and as a cold additive, the constituents, at least one copolymer composed of ethylene and 8-21 mol % of at least one acrylic and vi... | 10/19/2010 |
| 7713316 | Fuel oils having improved cold flow properties The invention relates to fuel oils comprising a larger proportion of middle distillates having a sulfur content of at most 350 ppm and an aromatics content of at most 22% by weight, and also a smaller proportion of at least one copolymer of ethylene and vinyl esters... | 05/11/2010 |
| 7550019 | Fuel oil additives and additized fuel oils having improved cold properties The invention therefore provides an additive for improving the cold flow performance of middle distillates, comprising I) at least one paraffin dispersant which is a derivative of a fatty amine, II) at least one bl... | 06/23/2009 |
| 7500996 | Cold flow improvers for fuel oils of vegetable or animal origin The present invention provides an additive comprising A) a copolymer of ethylene and 8-21 mol % of at least one acrylic or vinyl ester having a C1-C18-alkyl radical and B) a comb polymer containing structural units of ... | 03/10/2009 |
| 7476264 | Cold flow improvers for fuel oils of vegetable or animal origin The invention provides a fuel oil composition comprising a fuel oil of animal or vegetable origin and an additive comprising A) at least one copolymer of ethylene and 8-21 mol % of at least one acrylic or vinyl ester having a C | 01/13/2009 |
| 7473284 | Fuel oils composed of middle distillates and oils of vegetable or animal origin and having improved cold flow properties The invention provides a fuel oil composition F) comprising F1) a fuel oil of mineral origin and F2) a fuel oil of vegetable and/or animal origin, and, as a cold additive, the constituents A) at least one copolymer composed of ... | 01/06/2009 |
| 7431745 | Additives with a reduced tendency to emulsify, which improve the lubricating action of highly desulphurised fuel oils The present invention relates to an additive for improving the lubrication capacity of fuel oils with a maximum sulfur content of 0.035 wt. %. The additive contains at least one ester of a bivalent or polyvalent alcohol and a mixture of unsaturated and optionally sa... | 10/07/2008 |
| 7377949 | Additives for sulphur-poor mineral oil distillates comprising an ester of an alkoxylated polyol and an alkylphenol-aldehye resin An additive for middle distillates with a maximum sulfur content of 0.05 percent by weight, comprising at least one fatty acid ester of alkoxylated polyols with at least 3 OH groups (A) and at least one alkylphenol-aldehyde resin (C). ... | 05/27/2008 |
| 7354462 | Systems and methods of improving diesel fuel performance in cold climates Embodiments of the present invention are directed toward systems and methods of providing a low-emissions diesel fuel for use in cold climates. Such fuels may be prepared by a Fischer-Tropsch process and include a pour point depressant. Furthermore, the fuel is used... | 04/08/2008 |
| 7354461 | Solid fuels for fuel cells A solid fuel for use in fuel cells is presented. The solid fuel includes solid oxygenates, and mixtures for generating a gaseous fuel from the solid fuel. The solid fuel can be contained in a cartridge and reacted with a liquid reactant for generating a gaseous fuel... | 04/08/2008 |
| 7326262 | Multifunctional additive compositions enabling middle distillates to be operable in cold conditions The invention concerns a multifunctional additive enabling fuels to be operable in cold conditions, consisting of copolymers of at least a dicarboxylic compound with at least an olefin, and whereon are grafted nitrogenous functions and/or esters of general formula (... | 02/05/2008 |
| 7320952 | Additive for viscoelastic fluid Composition and method for shortening the shear recovery time of cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of a co-gelling agent selected from triblock oligomeric compounds having hydrophilic (for exam... | 01/22/2008 |
| 7256242 | Esterified copolymers of polyalkenes/unsaturated acidic reagents useful as lubricant and fuel additives Esterified polyalkene/UAR copolymer reaction products useful as (1) a friction modifier for lubricating oils such as automatic transmission fluids to improve torque capacity and anti-shudder durability and for continuous variable transmissions (CVTs), (2) a friction... | 08/14/2007 |
| 7101928 | Polymeric thickeners for oil-containing compositions Novel thickeners for oil-containing compositions are crystalline polymers, preferably side chain crystalline polymers, which (a) have a crystalline melting point, Tp, and an onset of melting temperature, To, such that Tp−To | 09/05/2006 |
| 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 |
| 6979426 | Biodiesel production unit In a first aspect, systems and methods for producing biodiesel fuel include a modular production unit incorporated onto a single platform or into a housing for ease of relocatability. The modular production unit preferably includes a mixing unit, a reactor unit, a s... | 12/27/2005 |
| 6972084 | Fuel oil composition for diesel engine It is an object of the present invention to provide a fuel oil composition for diesel engines showing good CFPP and lubricity, efficiently controlling PM emissions and containing sulfur at 0.05 wt. % or less. The present invention provides a fuel oil composition for... | 12/06/2005 |
| 6923839 | Fuel blend for an internal combustion engine A fuel blend for use in an internal combustion engine is provided. The fuel blend comprises a hydrocarbon-containing fuel component and an oxygen-containing component capable of providing a portion of the oxygen needed for combustion of the fuel component under cond... | 08/02/2005 |
| 6846338 | Fuel oils based on middle distillates and copolymers of ethylene and unsaturated carboxylic esters A fuel oil comprising: A) a mineral oil having a cloud point of less than −8° C., a boiling range (90-20%) of less than 120° C. and a difference between CFPP and PP of less than 10° C., and B) one or more copolymers, wherein... | 01/25/2005 |
| 6835218 | Fuel additive compositions A fuel additive composition comprising a sustained release component and an additive component, the additive component is effective to provide at least one benefit to a fuel when released into the fuel, the sustained release component is (1) a polymeric material, (2... | 12/28/2004 |
| 6790913 | Additive compositions Additive compositions comprising: (i) at least one oil-soluble hydrogenated block diene polymer, comprising at least one crystallizable block, obtainable by end-to-end polymerization of a linear diene, and at least one non-crystallizable block, the non-crysta... | 09/14/2004 |
| 6767374 | Fuel oil additives and compositions Hydrogenated block copolymers are used as a component in a cold flow additive composition. ... | 07/27/2004 |
| 6638325 | Oil additives and compositions Compositions comprising (a) an ethylene-mixed unsaturated ester copolymer or (b) two or more ethylene-unsaturated ester copolymers differing, for example, in their ester chains improve the low temperature properties of fuel oils.... | 10/28/2003 |
| 6623536 | Multifunctional additive composition for cold process treatment of middle distillates The invention concerns a composition of mulifunctional additives for cold process treatment obtained by reacting carboxylic compounds with amine compounds, characterized in that it contains at least 50 wt. % of a mixture consisting of 10 to 90 wt. % of an... | 09/23/2003 |
| 6616716 | Method of improving the flow properties of a crude oil or natural gas liquid A method of improving the flow properties of a wax-containing crude oil and natural gas liquids containing a natural pour point depressant wherein a synthetic pour point depressant is added to the crude oil or natural gas liquid when at a temperature of n... | 09/09/2003 |
| 6599335 | Copolymers based on ethylene and unsaturated carboxylic esters and their use as mineral oil additives Copolymers based on ethylene and unsaturated carboxylic esters and their use as mineral oil additives. The invention relates to copolymers of low olefins and vinyl esters, containing a) from 85 to 97 mol % of bivalent structural units of the formula 1 --CH | 07/29/2003 |
| 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 |
| 6592638 | Mixtures of carboxylic acids, their derivatives and hydroxyl-containing polymers and their use for improving the lubricating effect of oils The invention relates to additives for improving lubricating properties of fuel oils, comprising A) 10-95% by weight of at least one oil-soluble amphiphile which comprises nitrogen- or oxygen-containing groups substituted by alkyl, alkenyl, hydroxyalkyl o... | 07/15/2003 |
| 6565616 | Copolymer blends and their use as additives for improving the cold flow properties of middle distillates The invention relates to blends of copolymers containing structural units of olefins, derivatives of dibasic carboxylic acids and, if required, polyolefins and, structural units of ethylene and vinyl esters of tertiary carboxylic acids, and their use as a... | 05/20/2003 |
| 6508848 | Macromolecular materials A macromolecular cold flow improver in which a crystalline moiety and an oil-solubility enhancing moiety are linked by a functional group.... | 01/21/2003 |
| 6475250 | Multifunctional additive for fuel oils The invention relates to additives for improving cold-flow and lubricating properties of fuel oils, comprising A) 5-95% by weight of at least one oil-soluble amphiphile of the formulae ##STR1## in which R1 is an alkyl, alkenyl, hydroxyalkyl or aroma... | 11/05/2002 |
| 6461393 | Mixtures of carboxylic acids, their derivatives and hydroxyl-containing polymers and their use for improving the lubricating effect of oils The invention relates to additives for improving lubricating properties of fuel oils, comprising A) 10-95% by weight of at least one oil-soluble amphiphile of the formulae 1 ##STR1## and/or 2 R1 --X--R2 (2) B) 5-90% by weight of at... | 10/08/2002 |
| 6458175 | Oil additives and compositions Compositions comprising a wax, a nucleator, and a wax growth arrestor improve the low temperature properties of fuel oils, especially high wax content fuels.... | 10/01/2002 |
| 6458174 | Copolymers, and their use as additives for improving the cold-flow properties of middle distillates Copolymers containing A) from 45 to 54 mol % of divalent structural units of the formula 1 ##STR1## in which a and b=0 or 1 and a+b=1, B) from 35 to 53 mol % of divalent structural units of the formula 2 --H2 C--CHR2 -- (2) and C) from 1 to 2... | 10/01/2002 |
| 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 |
| 6391071 | Use of hydroxyl-containing copolymers for the preparation of fuel oils having improved lubricity The present invention relates to the use of oil-soluble copolymers which comprise A) from 5 to 80 mol-% of structural units derived from olefinically unsaturated compounds containing at least one free hydroxyl group, B) from 5 to 95 mol-% of structural units d... | 05/21/2002 |
| 6364918 | Hydroxyl-containing copolymers, and their use for the preparation of fuel oils having improved lubricity Oil-soluble copolymers having an OH number of from 10 to 250 and a molecular weight of from 1000 to 100,000 g/mol, obtained from the reaction of a copolymer precursor which comprises structural units of A) from 5 to 95 mol-% of an olefinically unsaturated carb... | 04/02/2002 |
| 6309431 | Winterized paraffin crystal modifiers Winterized wax crystal modifiers which remain fluid at temperatures ranging from about -40° F. to 160° F. and methods for winterizing wax crystal modifiers are provided.... | 10/30/2001 |
