Plural Nitrogens Attached Indirectly To Each Other By Acyclic Nonionic Bonding Patents (Class 44/432)
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Patent number: 10683379Abstract: Described herein are polymers, polymeric gels, or a composition thereof, for drug delivery. The polymers, which include boronic-acid containing moieties (e.g., and polyol-containing moieties (e.g., are prepared by free-radical polymerization and can self-assemble into polymeric gels such as hydrogels. Also provided are methods or preparing the polymers, kits involving the polymers and/or polymeric gels or a composition thereof, for use as materials or delivery applications of an agent to a subject.Type: GrantFiled: March 23, 2016Date of Patent: June 16, 2020Assignee: Massachusetts Institute of TechnologyInventors: Daniel Griffith Anderson, Eric Andrew Appel, Yizhou Dong, Robert S. Langer, Benjamin C. Tang, Omid Veiseh, Weiheng Wang, Matthew J. Webber, Kun Xue
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Patent number: 10059897Abstract: Problem A detergent friction modifying agent having both a detergent performance that ameliorates and prevents degradation over time that is caused by deposits in the engine, and a friction reducing effect that lowers frictional resistance in the engine; a fuel additive that improves drivability with a good balance over the entire range of engine speeds, and provides engine characteristics such that, over the entire range of driving speeds, the engine-braking characteristics are such that the feeling of free running will be strongly produced, such that a fuel consumption improvement effect is produced in actual vehicles that is greater than the values produced on the test bench, and which also has storage stability; and a fuel composition containing the same. Solution The present invention is characterized by containing a polyetheramine carboxylic acid salt; the fuel additive of the present invention is added to fuel at 0.5 wt % or less.Type: GrantFiled: November 2, 2015Date of Patent: August 28, 2018Assignee: TURBULENCE LTD.Inventor: Shigeru Sugimoto
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Patent number: 9957455Abstract: The use of a polyalkylene glycol of formula HO-(A-O)p—(CH2CH2—O)m-(A-O)q—H wherein A is a C3- to C20-alkylene group or a mixture of such alkylene groups, m is a number of from 2 to 100 and p and q are each numbers of from 1 to 100, as an additive in a fuel.Type: GrantFiled: October 14, 2014Date of Patent: May 1, 2018Assignee: BASF SEInventors: Ludwig Voelkel, Markus Hansch, Thomas Hayden, Marc Walter, Nawid Kashani-Shirazi, Thomas Weiss
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Patent number: 9482656Abstract: Provided is a method of identifying authenticity of oil by reacting oil marked by a Oil Marker Composition with a developer to develop a color and then measuring absorbance. According to the present invention, an oil maker capable of quantitatively and qualitatively measuring authenticity of oil due to a rapid reaction rate, excellent reproducibility, and distinct color development that may be observed by the naked eyes, and a method of identifying oil using the same.Type: GrantFiled: December 2, 2014Date of Patent: November 1, 2016Assignees: SK Innovation Co., Ltd., SK Energy Co., Ltd.Inventors: Su Jin Lee, Dong Seok Jang, Eun Hee Park, Jin Su Ham, Joon Sik Lee, Jong Ho Lim
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Publication number: 20150113859Abstract: The use of a polyalkylene glycol of formula HO—(A—O)p—(CH2CH2—O)m—(A—O)q—H wherein A is a C3- to C20-alkylene group or a mixture of such alkylene groups, m is a number of from 2 to 100 and p and q are each numbers of from 1 to 100, as an additive in a fuel for reducing fuel consumption in the operation of an internal combustion engine with this fuel.Type: ApplicationFiled: October 24, 2013Publication date: April 30, 2015Applicant: BASF SEInventors: Ludwig VOELKEL, Markus HANSCH, Thomas HAYDEN, Marc WALTER, Nawid KASHANI-SHIRAZI, Thomas WEISS
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Patent number: 8852297Abstract: A method cleaning up internal components of a fuel injector for a diesel engine. The method includes operating a fuel injected diesel engine on a fuel composition that includes a major amount of diesel fuel and from about 5 to about 500 ppm by weight of a reaction product derived from (a) a hydrocarbyl substituted dicarboxylic acid, anhydride, or ester and (b) an amine compound or salt thereof of the formula wherein R is selected from the group consisting of hydrogen and a hydrocarbyl group containing from about 1 to about 15 carbon atoms, and R1 is selected from the group consisting of hydrogen and a hydrocarbyl group containing from about 1 to about 20 carbon atoms. The reaction product is characterized by a particular FTIR spectrum.Type: GrantFiled: April 24, 2012Date of Patent: October 7, 2014Assignee: Afton Chemical CorporationInventors: Xinggao Fang, Scott D. Schwab, Julienne M. Galante-Fox
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Publication number: 20140034004Abstract: The present invention refers to a process to improve the thermostability of lubricant oils contained in an internal combustion engine, which process comprises operating the said engine with a fuel containing one or more ashless thermostability boosters selected from aromatic amines, substituted phenols and polycyclic phenolic compounds or mixtures thereof. The present invention further refers to a fuel additive composition and to a fuel composition comprising specific nitrogen-containing dispersants, carrier oils, the said ashless thermostability boosters, and optionally corrosion inhibitors and friction modifiers.Type: ApplicationFiled: July 30, 2013Publication date: February 6, 2014Applicant: BASF SEInventors: Marc WALTER, Wolfgang Grabarse, Thomas Hayden
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Publication number: 20130312320Abstract: Use of a tertiary hydrocarbyl amine with C1- to C20-hydrocarbyl residues, the overall number of carbon atoms not exceeding 30, as an additive in gasoline for reducing injector nozzle fouling in direct injection spark ignition engines. A fuel additive composition essentially comprising nitrogen-containing dispersants, carrier oils, the above tertiary hydrocarbyl amines and optionally friction modifiers. A fuel composition comprising a major amount of gasoline and a minor amount of the above fuel additive composition.Type: ApplicationFiled: May 21, 2013Publication date: November 28, 2013Applicant: BASF SEInventor: Marc WALTER
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Publication number: 20130247450Abstract: A gasoline deposit control additive composition for use in a fuel comprising from about 70 to about 95 volume percent of hydrocarbons in the gasoline boiling range and from about 5 to about 30 volume percent of at least one alcohol, comprising the imine or tertiary amine product of the reaction between (a) at least one aldehyde or ketone or mixture thereof having the formula R16CHO, R16CH2CHO, R17(C=0)R18 or R17CH2(C=0)R18, wherein R16, R17, and R18 are the same or different and are each independently a straight or branched chain hydrocarbyl or aryl group that contains from 1 to 18 carbon atoms, and (b) a primary or secondary amine functionality.Type: ApplicationFiled: May 16, 2013Publication date: September 26, 2013Applicant: BUTAMAX ADVANCED BIOFUELS LLCInventor: Leslie R. Wolf
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Patent number: 8530397Abstract: Compositions in the form of lubricating oil compositions, greases, fuels or functional fluids containing, in the form of Michael adducts, N-substituted phenylenediamine additives in which at least one of the substituents on the N atoms carries a carbonyl group that is connected to an alkyl, alkoxyalkyl, or alkylthioalkyl group either directly or via an oxygen atom.Type: GrantFiled: December 12, 2007Date of Patent: September 10, 2013Assignees: Infineum International Limited, Chemtura CorporationInventors: Tushar Kanti Bera, Rolfe J. Hartley, Jacob Emert, Jie Cheng, Theodore E. Nalesnik, Robert G. Rowland
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Publication number: 20130227878Abstract: This invention relates to corrosion inhibitor additive combinations giving long acting performance in oxygenated gasoline blends comprising either low carbon number (<3) or high carbon number (greater than or equal to 4) alcohols or mixtures thereof and adapted for use in fuel delivery systems and internal combustion engines. The invention also is concerned with a process for conferring anti-corrosion properties to oxygenates in gasoline fuel mixtures wherein the oxygenate comprises biologically-derived butanol.Type: ApplicationFiled: December 28, 2012Publication date: September 5, 2013Applicant: Butamax (TM) Advanced Biofuels LLCInventors: Leslie R. WOLF, James J. Baustian
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Publication number: 20130055626Abstract: The present invention provides a liquid fuel composition comprising a distillation fraction of a component having at least one C4+ compound derived from a water-soluble oxygenated hydrocarbon prepared by a method comprising: providing water and a water-soluble oxygenated hydrocarbon comprising a C1+O1+ hydrocarbon in an aqueous liquid phase and/or a vapor phase; providing H2; catalytically reacting in the liquid and/or vapor phase the oxygenated hydrocarbon with the H2 in the presence of a deoxygenation catalyst at a deoxygenation temperature and deoxygenation pressure to produce an oxygenate comprising a C1+O1-3 hydrocarbon in a reaction stream; and catalytically reacting in the liquid and/or vapor phase the oxygenate in the presence of a condensation catalyst at a condensation temperature and condensation pressure to produce the C4+ compound, wherein the C4+ compound comprises a member selected from the group consisting of C4+ alcohol, C4+ ketone, C4+ alkane, C4+ alkene, C5+ cycloalkane, C5+ cycloalkene,Type: ApplicationFiled: August 24, 2012Publication date: March 7, 2013Applicants: VIRENT, INC., SHELL OIL COMPANYInventors: Joanna Margaret BAULDREAY, Paul George BLOMMEL, Randy Douglas CORTRIGHT, Richard John PRICE
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Patent number: 8313542Abstract: A synergistic combination antioxidant mixture that provides excellent characteristics for biodiesel fuel compositions, when incorporated therein.Type: GrantFiled: May 11, 2011Date of Patent: November 20, 2012Assignee: Chemtura CorporationInventors: Frank J. DeBlase, Brian E. Fox, Cyril A. Migdal
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Patent number: 8197560Abstract: Disclosed is a fuel for fuel cells which contains at least one organic compound selected from the group consisting of methanol, ethanol, dimethyl ether and formic acid, and 1-200 ppm of a hydrocarbon compound in terms of a single component as determined by gas chromatography mass spectrometry. Also disclosed are a fuel cartridge for fuel cells and a fuel cell.Type: GrantFiled: June 14, 2006Date of Patent: June 12, 2012Assignees: Kabushiki Kaisha Toshiba, Toyo Seikan Kaisha, Ltd.Inventors: Yumiko Takizawa, Daisuke Imoda, Kyoko Yoshino
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Patent number: 8056529Abstract: This invention presents a compact, light, efficient and high power output rotary internal combustion engine utilizing the waste heat. The engine has a rotor rotatable within a housing, but has no piston. The rotor has a plurality of combustion chambers, with inlets for introduction of fuel and outlets for exhaust of combustion products. The exhaust imparts rotation to the rotor within the housing. Fixed end caps are provided at each end of the housing. The engine is cooled with steam, air and water. The engine is suitable for applications that require efficient, high power to weight ratio, such as aircrafts, ships, and heavy duty transportation. The engine may use low grade fuel with a low cetane number, by using specially treated pulverized coal.Type: GrantFiled: July 20, 2009Date of Patent: November 15, 2011Inventor: Ziyad A. Qamhiyeh
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Publication number: 20100205852Abstract: The present invention relates to the use of polyamines having at least one terminal secondary or tertiary amine function as a detergent additive for fuels and lubricants; to additive concentrates comprising such polyamines; to fuels and lubricants additized with these polyamines and to processes for their preparation.Type: ApplicationFiled: January 29, 2010Publication date: August 19, 2010Applicant: BASF SEInventors: Jörn KARL, Marco Bergemann, Mirjam Herrlich-Loos, Georg Schäper
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Patent number: 7704289Abstract: The present invention is directed to a method to clean up or keep clean the fuel system of a direct injection spark-ignited engine by operating the engine with a fuel composition that includes a liquid fuel and a fuel additive composition. The fuel additive composition useful in the present invention has at least one nitrogen-containing dispersant and optionally a fluidizer where the dispersant has a specific lipophilic parameter and the dispersant or the dispersant and the fluidizer have a specific hydrophilic-lipophilic parameter, the dispersant provides about 0.15 to about 50 ppm by weight nitrogen in the fuel composition, and the fluidizer and/or the dispersant provide about 10 to about 10,000 ppm by weight active components in the fuel composition. The method of the present invention is effective in controlling deposits in fuel injectors and combustion chambers of a direct injection spark-ignited engine.Type: GrantFiled: September 13, 2005Date of Patent: April 27, 2010Assignee: The Lubrizol CorporationInventors: David C. Arters, Mitchell M. Jackson, Daniel T. Daly, Malcolm G. J. Macduff
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Patent number: 7479168Abstract: The present invention relates to a stable blended diesel fuel comprising an olefinic diesel fuel blending stock. The olefinic diesel fuel blending stock of the invention comprises olefins in an amount of 2 to 80 weight percent, non-olefins in an amount of 20 to 98 weight percent wherein the non-olefins are substantially comprised of paraffins, oxygenates in an amount of at least 0.012 weight percent and sulfur in an amount of less than 1 ppm. To provide acceptable stability, the blended diesel fuel comprising the olefinic diesel fuel blending stock comprises a sulfur-free antioxidant. The blended diesel fuel comprising the olefinic diesel fuel blending stock and sulfur-free antioxidant added has a peroxide content of less than 5 ppm when stored at 60° C. for 4 weeks. The present invention also relates to processes for making the stable blended diesel fuel and olefinic diesel fuel blending stocks as defined above.Type: GrantFiled: January 31, 2003Date of Patent: January 20, 2009Assignee: Chevron U.S.A. Inc.Inventors: Dennis J. O'Rear, John E. Sundberg
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Publication number: 20080168708Abstract: The present disclosure provides compositions and methods for reducing deposit formation in engines combusting a fuel containing ethanol and a corrosion inhibitor.Type: ApplicationFiled: January 11, 2007Publication date: July 17, 2008Inventors: Lawrence J. Cunningham, Richard J. Dumont
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Patent number: 7179311Abstract: The present invention relates to a stable blended diesel fuel comprising an olefinic diesel fuel blending stock. The olefinic diesel fuel blending stock of the invention comprises olefins in an amount of 2 to 80 weight percent, non-olefins in an amount of 20 to 98 weight percent wherein the non-olefins are substantially comprised of paraffins, oxygenates in an amount of at least 0.012 weight percent and sulfur in an amount of less than 1 ppm. To provide acceptable stability, the blended diesel fuel comprising the olefinic diesel fuel blending stock comprises a sulfur-free antioxidant. The blended diesel fuel comprising the olefinic diesel fuel blending stock and sulfur-free antioxidant added has a peroxide content of less than 5 ppm when stored at 60° C. for 4 weeks. The present invention also relates to processes for making the stable blended diesel fuel and olefinic diesel fuel blending stocks as defined above.Type: GrantFiled: January 31, 2003Date of Patent: February 20, 2007Assignee: Chevron U.S.A. Inc.Inventors: Dennis J. O'Rear, John E. Sundberg
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Patent number: 7112230Abstract: Injector deposits in a direct injection gasoline engine are reduced by providing as fuel for the operation of said direct injection engine a fuel composition comprising a fuel-soluble compound having the formula (I): wherein R1 and R2 are independently C1-4 alkyl, R3 is a radical of the formula CmH2m wherein m is an integer of 2 to 6, R4 and R5 are each independently (i) hydrogen (ii) C1-4 alkyl, wherein R6 is selected from the group consisting of hydrogen and C1-4 alkyls and R7 is selected from the group consisting of hydrogen and C1-30 alkyl, (iv) wherein R8 is a saturated or unsaturated, linear, branched or cyclic, C7-23 hydrocarbyl group or (v) wherein R4 and R5 together with the nitrogen atom to which they are bonded, form a cyclic ring in which further hetero atoms.Type: GrantFiled: September 14, 2001Date of Patent: September 26, 2006Assignee: Afton Chemical Intangibles LLCInventors: Dennis J. Malfer, Scott D. Schwab, Timothy J. Henly
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Patent number: 6909018Abstract: Polyalkeneamines of the formula (I) where R1, R2, R3, R4, R5 and R6 may have different meanings, are prepared by a process in which a polyalkene epoxide is reacted with an amine and the amino alcohol is dehydrated and reduced to give the compound of the formula (I).Type: GrantFiled: September 21, 2000Date of Patent: June 21, 2005Assignee: BASF AktiengesellschaftInventors: Johann-Peter Melder, Gerhard Blum, Wolfgang Günther, Dietmar Posselt, Knut Oppenländer
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Patent number: 6872230Abstract: The present invention relates to additives for enhancing the lubricity of hydrocarbon fuel oils, the inventive additive composition including one or more of the reaction products of (i) an alkylated polyamine and (ii) urea or isocyanate, or the salt adducts of these reaction products. More particularly, the present invention provides for a process for improving the lubricity of hydrocarbon fuel oils, which are low in inherent lubricity due to treatment to reduce sulfur and aromatic components for improved emissions.Type: GrantFiled: July 16, 2002Date of Patent: March 29, 2005Assignee: Betzdearborn, Inc.Inventors: Collin W. Cross, Zen-Yu Chang, S. Blake Pruett, Alan E. Goliaszewski
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Patent number: 6840970Abstract: The invention relates to fuel additive compositions for internal combustion engines and to fuels that contain the corresponding additives for internal combustion engines. The inventive fuel additive compositions for internal combustion engines have an excellent performance in keeping the inlet system clean and improved viscosity properties, especially at low temperatures.Type: GrantFiled: May 4, 2001Date of Patent: January 11, 2005Assignee: BASF AktiengesellschaftInventors: Harald Schwahn, Dietmar Posselt
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Patent number: 6793695Abstract: A fuel composition exhibiting improved anti-static properties, comprises a liquid fuel which contains less than 500 parts per million by weight sulfur; 0.001 to 1 ppm of a hydrecarbyl monoamine or hydrocarbyl-substituted poly(alkylenieamine); and 10 to 500 ppm of at least one fatty acid containing 8 to 24 carbon atoms, or an ester thereof.Type: GrantFiled: August 28, 2002Date of Patent: September 21, 2004Assignee: The Lubrizol CorporationInventors: Mark F. Wilkes, David A. Duncan, Shaun P. Carney
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Patent number: 6660050Abstract: A method for controlling the deposits in the fuel vaporizer of a fuel reformer used to prepare a liquid hydrocarbon for use as a fuel in a fuel cell which comprises introducing into the fuel vaporizer a liquid hydrocarbon containing an effective deposit controlling amount of a nitrogen-containing detergent additive and a fuel composition suitable for use in a fuel cell which comprises a liquid hydrocarbon having a boiling range at atmospheric pressure falling between about 77 degrees F. (25 degrees C.) and about 437 degrees F. (225 degrees C.), a total sulfur content of less than 3 ppm, and containing an effective deposit controlling amount of a nitrogen-containing detergent additive.Type: GrantFiled: May 23, 2002Date of Patent: December 9, 2003Assignee: Chevron U.S.A. Inc.Inventors: Gunther H. Dieckmann, James D. Kramer, Richard E. Cherpeck
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Publication number: 20030140552Abstract: The invention relates to fuel additive compositions for internal combustion engines and to fuels that contain the corresponding additives for internal combustion engines. The inventive fuel additive compositions for internal combustion engines have an excellent performance in keeping the inlet system clean and improved viscosity properties, especially at low temperatures.Type: ApplicationFiled: October 29, 2002Publication date: July 31, 2003Inventors: Harald Schwahn, Dietmar Posselt
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Publication number: 20030079399Abstract: Injector deposits in a direct injection gasoline engine are reduced by providing as fuel for the operation of said direct injection engine a fuel composition comprising a fuel-soluble compound having the formula (I): 1Type: ApplicationFiled: September 14, 2001Publication date: May 1, 2003Inventors: Dennis J. Malfer, Scott D. Schwab, Timothy J. Henly
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Patent number: 6488723Abstract: A motor fuel additive composition comprises a mixture of: (a) from about 5 to about 50 weight percent, based upon the total weight of the additive, of a detergent component selected from the group consisting of (i) a reaction product of a substituted hydrocarbon and an amino compound, and (ii) a polybutylamine or polyisobutylamine; and (b) a fuel conditioner component comprising (i) from about 2 to about 50 weight percent, based upon the total weight of the additive, of a polar oxygenated hydrocarbon compound and (ii) from about 2 to about 50 weight percent, based upon the total weight of the additive, of an oxygenated compatibilizing agent. The fuel conditioner component may additionally comprise a hydrophilic separant, an aromatic hydrocarbon, or mixtures thereof. Additionally, in some cases the hydrophilic separant may also act as the compatibilizing agent. The additive may also additionally comprise a carrier oil or fluidizer.Type: GrantFiled: February 2, 2001Date of Patent: December 3, 2002Inventors: Alfred Richard Nelson, Mark L. Nelson, Otis L. Nelson, Jr.
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Patent number: 6458172Abstract: The present invention is directed to fuel additive compositions of detergents combined with fluidizers and to hydrocarbon fuel compositions containing these fuel additive compositions. The fuel additive compositions of the present invention combine a Mannich detergent, formed from reaction of an alkylphenol with an aldehyde and an amine, with a fluidizer that can be a polyetheramine or a polyether or a mixture thereof and, optionally, with a succinimide detergent. Fuel compositions containing these fuel additive compositions are very effective in reducing intake valve deposits in gasoline fueled engines, especially when the weight ratio of detergent(s) to fluidizer(s) is about 1:1 on an actives basis.Type: GrantFiled: March 3, 2000Date of Patent: October 1, 2002Assignee: The Lubrizol CorporationInventors: Malcolm G. J. Macduff, Mitchell M. Jackson, David C. Arters, Rodney J. McAtee
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Publication number: 20020083645Abstract: An improved feedstock for fuel processing systems, and fuel processing systems incorporating the same. The fuel processing system includes a fuel processor adapted to produce a product hydrogen stream from a carbon-containing feedstock. The fuel processing system may also include a fuel cell stack adapted to produce an electric current from the product hydrogen stream. The feedstock is at least substantially formed of a hydrocarbon or alcohol. In an exemplary embodiment, the feedstock includes methanol. The feedstock also includes at least one odorant adapted to produce a strong and characteristic odor, even when present in only low concentrations. The odorant, or odorants, are selected to be free or at least sufficiently free from compounds that will poison the catalyst used in the fuel processor.Type: ApplicationFiled: November 1, 2001Publication date: July 4, 2002Inventor: David J. Edlund
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Patent number: 6371999Abstract: Fuels for internal combustion engines or lubricants contain small amounts of polyisobutylaminoalcohols of the formulae Ia and Ib where R is polyisobutyl having a number average molecular weight of 500 to 5,000 and in each of the two formulae one of the radicals X is OH and the other is the group where the radicals R1 may be identical or different and are each hydrogen, alkyl, hydroxyalkyl or aminoalkyl which may be substituted by further hydroxyl- or amino-carrying alkyl radicals, or the two radicals R1 may form a nonaromatic ring.Type: GrantFiled: August 21, 1996Date of Patent: April 16, 2002Assignee: BASF AktiengesellschaftInventors: Juergen Mohr, Knut Oppenlaender, Charalampos Gousetis, Ralf Kaestner, Norbert Rieber, Martin Fischer, Juergen Thomas
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Patent number: 6348075Abstract: The present invention is directed to a composition containing A) at least one polyalkenene substituted amine; and B) at least one hydrocarbyl-terminated poly(oxypropylene) monool represented by the formula wherein in formula (B-I), R is an alkyl or an alkyl-substituted aromatic group of about 8 to about 20 carbon atoms; x is a number from about 13 to about 28; and wherein the weight ratio of component (A) to component (B) ranges from about 10:1 to about 1:10. The composition is useful as a fuel additive for reducing intake valve deposits or for improving the valve stick performance of an internal combustion engine. The invention also relates to concentrates and fuel compositions containing the foregoing fuel additive composition and to a method for reducing intake valve deposits or for improving the valve stick performance of an internal combustion engine.Type: GrantFiled: April 14, 1998Date of Patent: February 19, 2002Assignee: The Lubrizol CorporationInventor: Mitchell M. Jackson
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Patent number: 6261327Abstract: The present invention is directed to an additive concentrate for reducing octane requirement comprising a cyclic amide alkoxylate compound of the formula I: wherein x is from 3 to 11; y is from 1 to 50; R1 and R2 are each independently hydrogen, hydrocarbyl of 1 to 100 carbon atoms and substituted hydrocarbyl of 1 to 100 carbon atoms; R3 is hydrocarbyl of 1 to 100 carbon atoms or substituted hydrocarbyl of 1 to 100 carbon atoms; each R4 is independently hydrocarbyl of 2 to 100 carbon atoms or substituted hydrocarbyl of 2 to 100 carbon atoms; R5 is hydrogen, hydrocarbyl of 1 to 100 carbon atoms, substituted hydrocarbyl of 1 to 100 carbon atoms or acyl of 1 to 20 carbon atoms; a detergent selected from polyalkenylamines, Mannich amines, polyalkenylsuccinimides, poly(oxyalkylene) carbamates and poly(alkenyl)-N-substituted carbamates and an optional solvent.Type: GrantFiled: May 28, 1998Date of Patent: July 17, 2001Assignee: Shell Oil CompanyInventors: Joseph Graham, Robert Peter Aiello, Earl Jon Haury
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Patent number: 6203584Abstract: A fuel composition comprising a major amount of hydrocarbons boiling in the gasoline range and a fuel consumption reducing amount of a fuel additive composition comprising: (a) at least one amine compound selected from the group consisting of: (1) a fuel-soluble aliphatic hydrocarbyl-substituted amine having at least one basic nitrogen atom where the hydrocarbyl group has a number average molecular weight of about 700 to 3,000, and (2) a poly(oxyalkylene)amine having at least one basic nitrogen atom and a sufficient number of oxyalkylene units to render the poly(oxyalkylene)amine soluble in hydrocarbons boiling in the gasoline range; and (b) an ester of a carboxylic acid and a polyhydric alcohol, wherein the carboxylic acid has from one to about four carboxylic acid groups and from about 8 to about 50 carbon atoms and the polyhydric alcohol has from about 2 to about 50 carbon atoms and from about 2 to about 6 hydroxy groups.Type: GrantFiled: March 31, 1998Date of Patent: March 20, 2001Assignee: Chevron Chemical Company LLCInventors: Peter A. Fuentes-Afflick, Jeffrey A. Gething
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Patent number: 6193767Abstract: A fuel additive composition comprising at least one amine, whereun said at least one amine contains at least one polyolefin group and at least one polyetheramine. These compositions are useful as fuel additives for reducing intake valve deposits. In addition, these compositions do not contribute to an increase in combustion chamber deposits in port fuel injected internal combustion engines.Type: GrantFiled: September 28, 1999Date of Patent: February 27, 2001Assignee: The Lubrizol CorporationInventors: David Arters, Daniel T. Daly, Mitchell M. Jackson
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Patent number: 6162768Abstract: The invention provides dispersants and dispersant viscosity index improvers which include polymers of conjugated dienes which have been hydrogenated, functionalized, optionally modified and post treated. The dispersant substances include a copolymer of two different conjugated dienes. The polymers are selectively hydrogenated to produce polymers which have highly controlled amounts of unsaturation, permitting highly selective functionalization. The polymers may be functionalized by grafting of heteroatom-containing olefins. Also provided are lubricant fluids, such as mineral and synthetic oils, which have been modified in their dispersancy and/or viscometric properties by means of the dispersant substances of the invention. Also provided are methods of modifying the dispersancy and/or viscometric properties of lubricating fluids such as mineral and synthetic lubricating oils. The dispersant substances may also include a carrier fluid to provide dispersant concentrates.Type: GrantFiled: June 23, 1998Date of Patent: December 19, 2000Assignee: Mobil Oil CorporationInventors: Thomas S. Coolbaugh, Frederick C. Loveless, John E. Marlin, II, Demetreos N. Matthews
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Patent number: 6136051Abstract: A fuel composition has a major portion of hydrocarbons boiling in the gasoline range, at least 1,200 ppm by weight of a detergent, and at least 2,400 ppm by weight of a mineral carrier fluid. The detergent is a hydrocarbyl-substituted amine or polyamine having at least one basic nitrogen. The weight ratio of mineral carrier fluid to detergent of the fuel composition is at least 2:1. Preferably, the detergent is present at a concentration of at least 2,000 ppm by weight, and the weight ratio of mineral carrier fluid to detergent is at least 4:1. Preferably, the detergent is either a polybutene amine or a polybutene succinimide.Type: GrantFiled: July 5, 1996Date of Patent: October 24, 2000Assignee: Chevron Chemical CompanyInventors: Ralph M. Forde, Majid R. Ahmadi, Richard E. Cherpeck
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Patent number: 6071319Abstract: A fuel additive composition comprising:(a) an aromatic ester compound of the formula: ##STR1## or a fuel soluble salt thereof, wherein R is hydroxy, nitro or --(CH.sub.2).sub.x --NR.sub.5 R.sub.6, wherein R.sub.5 and R.sub.6 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms and x is 0 or 1;R.sub.1 is hydrogen, hydroxy, nitro or --NR.sub.7 R.sub.8, wherein R.sub.7 and R.sub.8 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms;R.sub.2 and R.sub.3 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; andR.sub.4 is a polyalkyl group having an average molecular weight in the range of about 450 to 5,000; and(b) an aliphatic hydrocarbyl-substituted amine having at least one basic nitrogen atom, wherein the hydrocarbyl group has a number average molecular weight of about 400 to about 1,000.The fuel additive compositions of this invention are useful as fuel additives for the prevention and control of engine deposits.Type: GrantFiled: December 22, 1998Date of Patent: June 6, 2000Assignee: Chevron Chemical Company LLCInventors: Jack E. Morris, Majid R. Ahmadi
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Patent number: 6051039Abstract: This invention relates to a diesel fuel composition containing an additive composition made by admixing at least two components: A) at least one dicarboxylic acid having about 8 to about 500 carbon atoms or a reactive equivalent thereof; and B) at least one amine having about 6 to about 80 carbon atoms. In one embodiment, the additive composition also contains: C) at least one monocarboxylic acid of about 8 to about 28 carbon atoms or a reactive equivalent thereof. The additive composition is useful as a lubricity additive for diesel fuel, especially low sulfur diesel fuel and provide excellent storage stability, rust-inhibiting and anti-wear performance to diesel fuel.Type: GrantFiled: September 14, 1998Date of Patent: April 18, 2000Assignee: The Lubrizol CorporationInventor: Shigeru Sugimoto
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Patent number: 6005144Abstract: Reaction products of polyisobutenes having an average degree of polymerization P of from 10 to 100 and a content E of from 60 to 90% of double bonds which can react with maleic anhydride, E=100% corresponding to the theoretical value for the case where each molecule of the polyisobutene has such a reactive double bond, with oxides of nitrogen or mixtures of oxides of nitrogen and oxygen, are suitable as additives for fuels, in particular for gasoline engines, and for lubricants.Type: GrantFiled: November 5, 1998Date of Patent: December 21, 1999Assignee: BASF AktiengesellschaftInventors: Rudolf Kropp, Eckhard Hickmann, Klaus Ebel, Wolfgang Gunther, Hans Peter Rath, Harald Schwahn
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Patent number: 5993499Abstract: A fuel composition comprising a major amount of hydrocarbons boiling in the gasoline or diesel range and (a) about 50 to 70 parts per million by weight of a fuel-soluble aliphatic hydrocarbyl-substituted amine having at least one basic nitrogen atom wherein the hydrocarbyl group has a number average molecular weight of about 700 to 3,000; and (b) about 35 to below about 75 parts per million by weight of a hydrocarbyl-terminated poly(oxyalkylene) monool having an average molecular weight of about 500 to about 5,000, wherein the oxyalkylene group is a C.sub.2 to C.sub.5 oxyalkylene group and the hydrocarbyl group is a C.sub.1 to C.sub.30 hydrocarbyl group.Type: GrantFiled: June 27, 1997Date of Patent: November 30, 1999Assignee: Chevron Chemical CompanyInventor: Keith R. Houser
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Patent number: 5984984Abstract: A composition suitable for use as a fuel additive is disclosed which comprises at least about 40% by volume of a paraffin which is selected from n-hexane and n-heptane, about 1% to about 20% by volume of aliphatic amine and at least about 5% by volume of cyclic hydrocarbon which has at least five carbon atoms and is liquid at 20.degree. C., said aliphatic amine and cyclohexane having boiling points less than that of said paraffin. The additive improves the combustion process of the fuel such that particulate emission is reduced.Type: GrantFiled: January 20, 1998Date of Patent: November 16, 1999Inventor: Syed Habib Ahmed
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Patent number: 5980594Abstract: Reaction products of polymers of C.sub.2 -C.sub.6 -olefins having an average degree of polymerization P of from 5 to 100 and oxides of nitrogen or mixtures of oxides of nitrogen and oxygen are used as additives for fuels, in particular for fuels for gasoline engines.Type: GrantFiled: January 21, 1997Date of Patent: November 9, 1999Assignee: BASF AktiengesellschaftInventors: Rudolf Kropp, Eckhard Hickmann, Klaus Ebel, Wolfgang Gunther, Hans Peter Rath, Harald Schwahn
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Patent number: 5976202Abstract: Reaction products of polyolefins having predominantly a terminal double bond and a number average molecular weight of from 250 to 10,000, which possess an aliphatic hydrocarbon skeleton which is straight-chain or carries C.sub.1 -C.sub.4 -alkyl side chains, with from 1 to 10 mol, per equivalent of double bond, of one or more vinyl esters I ##STR1## are obtainable by reacting the stated polyolefins with the vinyl esters I in the presence of a free radical initiator at from 80 to 200.degree. C., it being possible for these reaction products subsequently to have been hydrolyzed to the corresponding alcohols or converted into the corresponding amines by reductive amination with amines II ##STR2## .Type: GrantFiled: July 20, 1995Date of Patent: November 2, 1999Assignee: BASF AktiengesellschaftInventors: Hans Peter Rath, Helmut Mach, Harald Schwahn, Hans-Joachim Muller, Wolfgang Reif, Thomas Ruhl
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Patent number: 5962738Abstract: The present invention relates to an improved method of synthesizing polyamines, the improvement comprising producing polyamines having an increased nitrogen content. It concerns the improved fuel additives thereby produced, and the resultant improved fuel composition which comprises an admixture of said fuel additive and a gasoline.Type: GrantFiled: June 16, 1998Date of Patent: October 5, 1999Assignee: Petrokleen, Ltd.Inventors: Donald E. Koehler, William J. Claffey
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Patent number: 5945388Abstract: A lubricating oil composition suitable for use in a low or medium speed diesel engine comprising a fuel oil with a residual oil content is characterised in that the lubricating oil composition further comprises a hydrocarbyl substituted amine or polyamine. The effect of such an amine is to reduce deposits due to the residual oil. A method of reducing deposits in a low or medium speed diesel engine is also disclosed.Type: GrantFiled: April 23, 1996Date of Patent: August 31, 1999Assignee: Lubrizol Adibis Holdings (UK) Ltd.Inventors: Stephen J. Cook, Sean P. O'Connor
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Patent number: 5906970Abstract: A dendrimer-based cold flow additive material.Type: GrantFiled: March 20, 1997Date of Patent: May 25, 1999Assignee: Exxon Chemical Patents Inc.Inventor: Robert Dryden Tack
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Patent number: 5855630Abstract: Multiple amide polyether alcohol compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are each independently selected from the group consisting of hydrocarbyl of 2 to 100 carbon atoms and substituted hydrocarbyl of 2 to 100 carbon atoms; R.sub.3 and R.sub.4 are each independently selected from the group consisting of hydrocarbyl of 1 to 100 carbon atoms, substituted hydrocarbyl of 1 to 100 carbon atoms and polyoxyalkylene alcohol of 2 to 200 carbon atoms; R.sub.5 is selected from the group consisting of alkylene of 2 to 20 carbon atoms and alkylene of 2 to 20 carbon atoms having at least one methylene group replaced by at least one oxygen atom or at least one acylated nitrogen atom; x and y are each from 1 to 50 and the weight average molecular weight of the additive compound is greater than about 600 when used as gasoline additives are found to decrease intake valve deposits.Type: GrantFiled: September 19, 1997Date of Patent: January 5, 1999Assignee: Shell Oil CompanyInventors: Jiang-Jen Lin, Sarah Louise Weaver
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Patent number: 5853435Abstract: Polymeric amine sulfur-containing heterocyclic reaction products have been found to be effective antiwear and corrosion inhibiting additives for fuels, including gasolines, and lubricants with excellent high temperature decomposing, cleanliness and detergency/dispersancy features.Type: GrantFiled: December 30, 1994Date of Patent: December 29, 1998Assignee: Mobil Oil CorporationInventors: Noyes L. Avery, Joan C. Axelrod, James T. Carey, Liehpao O. Farng, Andrew G. Horodysky