Sulfur Or Phosphorus Attached Directly Or Indirectly, By Nonionic Bonding, To Carbon Of An Organic Compound Patents (Class 44/435)
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Patent number: 10000433Abstract: The invention describes a high yield process that utilizes selective catalysts for the conversion of abundant, naturally occurring terpenes into bisphenols, and their derivative bis(cyanate)esters, resins, and polymers. High performance, low-cost composite materials with low moisture uptake and high glass transition temperatures suitable for aerospace applications can be prepared from these renewable starting materials.Type: GrantFiled: September 27, 2016Date of Patent: June 19, 2018Assignee: The United States of America as Represented by the Secretary of the NavyInventor: Benjamin G. Harvey
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Publication number: 20150052802Abstract: Biological source oils, including, but not limited to, algae oil, stabilize the presence of asphaltenes in petroleum feedstocks, such as crude oil, to help avoid or prevent problematic issues caused by the asphaltenes, such as sludges, plugging, deposits, fouling and/or corrosion in the production, transferring and processing of the petroleum feedstocks. Chemical additives such as phenol-based resins, and reaction products or combinations of long chain alpha-olefins and/or small chain aldehydes and/or long chain alkyl phenate sulfides and/or metal oxide-based colloidal hydrocarbon-based nanodispersions, may also stabilize the presence of asphaltenes in petroleum feedstocks. By “stabilizing” is meant keeping the asphaltenes in solution in the petroleum feedstocks.Type: ApplicationFiled: August 20, 2014Publication date: February 26, 2015Applicant: BAKER HUGHES INCORPORATEDInventors: SAI REDDY PINAPPU, Lawrence N. Kremer, Corina L. Sandu
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Patent number: 8858838Abstract: An additive formulation suitable for antistatic modification and improving the electrical conductivity of inanimate organic material, consisting essentially of (A) from 1 to 50% by weight of an olefin-sulfur dioxide copolymer, (B) from 1 to 50% by weight of a compound which comprises one or more basic nitrogen atoms and has at least one relatively long-chain linear or branched hydrocarbon radical having at least four carbon atoms or an equivalent structural element which ensures the solubility of component (B) in the inanimate organic material, (C) from 0.1 to 30% by weight of an oil-soluble acid and (D) from 1 to 80% by weight of a high-boiling organic solvent which consists of one or more molecule types, where at least 80% by weight of these molecule types have a boiling point of more than 150° C. at standard pressure, where the sum of all components adds up to 100% by weight.Type: GrantFiled: April 4, 2013Date of Patent: October 14, 2014Assignee: BASF SEInventors: Dietmar Posselt, Frank-Olaf Maehling, Arno Lange, Anja Vinckier, Claudius Kormann
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Publication number: 20140038871Abstract: Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: R—Sn—R[—S—R]m wherein each R is, independently, an aromatic hydrocarbon group having 6-12 carbon atoms, wherein m is 0-20, wherein n is 1-6 when m is 0, and when n is 1, m is 1-20; and wherein at least one of R, R1, and R2 is substituted by at least one such sterically hindered moiety. The preparation of such products and their use as antioxidants in compositions normally susceptible to oxidative degradation in oxygen or air, e.g., liquid fuel and lubricants, are also described.Type: ApplicationFiled: October 8, 2013Publication date: February 6, 2014Applicant: Albemarle CorporationInventor: Mahmood Sabahi
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Publication number: 20130305597Abstract: A hydrocarbon-containing mixture including acetylene and butenyne is disclosed. The hydrocarbon-containing mixture can include 10% to 89% acetylene, 10% to 89% butenyne, and at least 0.25% dimethyl butadiyne. A method and system for producing the hydrocarbon-containing mixture is also disclosed. The system can include an acetylene production subsystem comprising at least one vessel and an acetylene output for delivering acetylene to a finishing vessel via a finishing vessel inlet. The finishing vessel can include a diffuser in fluid communication with the finishing vessel inlet, and gas exiting the diffuser can pass through a reaction chamber filled with solid calcium carbide before passing through a finishing vessel outlet.Type: ApplicationFiled: May 21, 2012Publication date: November 21, 2013Applicant: CM Global Systems, LLCInventors: DOUGLAS O. MAPP, SR., Douglas O. Mapp, II
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Patent number: 8580718Abstract: Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: R—Sn—R[—S—R]m wherein each R is, independently, an aromatic hydrocarbon group having 6-12 carbon atoms, wherein m is 0-20, wherein n is 1-6 when m is 0, and when n is 1, m is 1-20; and wherein at least one of R, R1, and R2 is substituted by at least one such sterically hindered moiety. The preparation of such products and their use as antioxidants in compositions normally susceptible to oxidative degradation in oxygen or air, e.g., liquid fuel and lubricants, are also described.Type: GrantFiled: July 13, 2009Date of Patent: November 12, 2013Assignee: Albermarle CorporationInventor: Mahmood Sabahi
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Patent number: 8551365Abstract: An additive formulation suitable for antistatic modification and improving the electrical conductivity of inanimate organic material, consisting essentially of (A) from 1 to 50% by weight of an olefin-sulfur dioxide copolymer, (B) from 1 to 50% by weight of a compound which comprises one or more basic nitrogen atoms and has at least one relatively long-chain linear or branched hydrocarbon radical having at least four carbon atoms or an equivalent structural element which ensures the solubility of component (B) in the inanimate organic material, (C) from 0.1 to 30% by weight of an oil-soluble acid and (D) from 1 to 80% by weight of a high-boiling organic solvent which consists of one or more molecule types, where at least 80% by weight of these molecule types have a boiling point of more than 150° C. at standard pressure, where the sum of all components adds up to 100% by weight.Type: GrantFiled: February 28, 2008Date of Patent: October 8, 2013Assignee: BASF SEInventors: Dietmar Posselt, Frank-Olaf Maehling, Arno Lange, Anja Vinckier, Claudius Kormann
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Publication number: 20120318716Abstract: A process allowing the removal of contaminants from an unstable oil such as those produced by thermal or catalytic cracking, wherein, in at least one step of the process, mixing of the unstable oil with a pure or impure solvent having a dipole moment greater than 2 is performed. The stabilized diesels thereby obtained exhibit interesting properties among which significant stability features and are useful in numerous applications, some of these stabilized wide range diesels are new as well as their uses.Type: ApplicationFiled: August 22, 2012Publication date: December 20, 2012Inventor: Lucie B. WHEELER
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Patent number: 8137419Abstract: The invention concerns a composition for use in particular as odorant of a gas fuel, more particularly of natural gas, comprising: 0.1 to 49.9 particles by weight of at least one alkyl sulphur (I) of formula: R1—S—R2, wherein R1 and R2, identical or different, represent: an alkyl radical comprising 1 to 4 carbon atom; or R1 and R2 together with the sulfur atom to which they are bound represent a saturated or unsaturated ring including 3 to 5 carbon atoms, optionally substituted by a C1-C4 alkyl or C1-C4 alkenyl; 50 to 99.8 parts by weight of at least two alkyl acrylates (II) the alkyl radicals of which comprise 1 to 12 carbon atoms, preferably 1 to 8: 0.001 parts by weight of at least compound (III) inhibiting polymerization of the alkyl acrylates (II).Type: GrantFiled: October 10, 2006Date of Patent: March 20, 2012Assignee: Arkema FranceInventor: Patrick Charles
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Publication number: 20110277377Abstract: This invention provides low sulfur fuels, particularly low sulfur bunker fuels, comprising hydroprocessed pyrolysis oil. The hydroprocessed pyrolysis oil can be produced using a catalyst suited to processing pyrolysis oils that may be relatively high in water content and under relatively low severity conditions to limit water formation, while making the hydroprocessed pyrolysis oil more stable than prior to hydroprocessing. The pyrolysis oil can be converted to a more stable hydroprocessed product, e.g., by converting at least a majority of the aldehydes, ketones, and/or carboxylic acids in the pyrolysis oil to more highly stable compounds, such as alcohols. The hydroprocessed product can be particularly suited as a blend component for producing a variety of reduced sulfur fuels.Type: ApplicationFiled: May 12, 2011Publication date: November 17, 2011Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: William J. Novak, Randolph J. Smiley, Richard J. Quann, Karlton J. Hickey
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Publication number: 20110219677Abstract: The present invention provides a process of producing an aviation fuel base oil having excellent combustibility, oxidation stability and life cycle characteristics, hydrotreating in the presence of hydrogen a feedstock comprising an oxygen-containing hydrocarbon compound originating from an animal or vegetable fat (preferably an animal or vegetable fat that contains fatty acids each having 10 to 14 carbon atoms in the fatty acid carbon chain in the total amount of 60 percent by mass or more) and a sulfur-containing hydrocarbon compound. The present invention also provides a process for producing an aviation fuel base oil by blending such an aviation fuel base oil and an aviation fuel base oil produced by refining crude oil.Type: ApplicationFiled: November 19, 2009Publication date: September 15, 2011Applicant: JX Nippon Oil & Energy CorporationInventors: Akira Koyama, Tatsuo Hamamatsu, Yasutoshi Iguchi, Hideshi Iki
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Publication number: 20110219676Abstract: The present invention provides an environment friendly aviation fuel base oil having combustibility, oxidation stability and excellent life cycle characteristics and contributing to diversification of primary energy, which is produced by hydrotreating a feedstock comprising a mixed oil of an oxygen-containing hydrocarbon compound originating from an animal or vegetable fat and a sulfur-containing hydrocarbon compound or a feedstock comprising said mixed oil and a petroleum base oil produced by refining crude oil and an aviation fuel composition comprising the aviation fuel base oil, and an aviation fuel composition containing such an aviation fuel base oil.Type: ApplicationFiled: November 19, 2009Publication date: September 15, 2011Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Akira Koyama, Tatsuo Hamamatsu, Yasutoshi Iguchi, Hideshi Iki
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Publication number: 20110131870Abstract: This invention relates to process for increasing color quality and thermal stability of fuel. Fuel that is provided as a feedstock is contacted or treated with an acidic, ion-exchange resin to increase the color quality and stability of the fuel. The process provides the benefit of substantially increasing the long term quality of both color and oxidation (JFTOT) stability.Type: ApplicationFiled: November 15, 2010Publication date: June 9, 2011Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Marc-André Poirier, Ashok Uppal
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Publication number: 20110124540Abstract: Described are multi-ring antioxidant products comprising at least one sulfur-bridged aromatic hydrocarbon compound substituted on at least one of its aromatic rings by at least one sterically hindered 3,5-dihydrocarbyl-4-hydroxybenzyl moiety. Such products have the formula: R—Sn—R[—S—R]m wherein each R is, independently, an aromatic hydrocarbon group having 6-12 carbon atoms, wherein m is 0-20, wherein n is 1-6 when m is 0, and when n is 1, m is 1-20; and wherein at least one of R, R1, and R2 is substituted by at least one such sterically hindered moiety. The preparation of such products and their use as antioxidants in compositions normally susceptible to oxidative degradation in oxygen or air, e.g., liquid fuel and lubricants, are also described.Type: ApplicationFiled: July 13, 2009Publication date: May 26, 2011Applicant: ALBEMARLE CORPORATIONInventor: Mahmood Sabahi
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Patent number: 7776111Abstract: The invention provides compositions comprising at least one alkylphenol-aldehyde resin (constituent I) and, based on the alkylphenol resin, from 0.005 to 10% by weight of at least one oil-soluble organic ammonium sulfonate (constituent II).Type: GrantFiled: July 20, 2005Date of Patent: August 17, 2010Assignee: Clariant Produkte (Deutschland) GmbHInventors: Matthias Krull, Carsten Cohrs, Hildegard Freundl, Stefan Lorenz
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Publication number: 20100146845Abstract: Disclosed herein are methods for correcting fuel oil compositions having excess conductivity. The oil compositions comprise a Petroleum Based Component, a Conductivity additive and a Conductivity Correcting Additive.Type: ApplicationFiled: September 27, 2006Publication date: June 17, 2010Applicant: INNOSPEC FUEL SPECIAL TIES LLCInventors: Cenk R. Burgazli, Cyrus P. Henry
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Patent number: 7608181Abstract: The invention provides distillate fuel blend components with improved seal swell and lubricity properties obtained from Fischer Tropsch products. The blends contain a highly paraffinic distillate fuel component and distillate-boiling alkylcycloparaffins and/or distillate-boiling alkylaromatics. The invention further provides processes for obtaining such blends using the products of Fischer Tropsch processes. Finally, the invention provides methods for improving seal swell and lubricity properties for distillate fuels.Type: GrantFiled: February 15, 2005Date of Patent: October 27, 2009Assignee: Chevron U.S.A. Inc.Inventor: Dennis J. O'Rear
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Patent number: 7524338Abstract: An additive composition for fuels such as diesel oil and fuel oil, used respectively for diesel engines and boilers of various types, containing a metal oxidation catalyst, in which the metal is iron, cerium, calcium, or their binary or ternary mixtures, an organic nitrate and a dispersing agent. The additive composition is able to reduce the formation of particulate emitted by diesel engines and boilers.Type: GrantFiled: August 1, 2001Date of Patent: April 28, 2009Inventor: Cesare Pedrazzini
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Publication number: 20090031614Abstract: Fuel additive packages and fuel compositions having environmentally compatible characteristics as defined by European Council Directive 67/548/EEC is disclosed. Such additive packages and compositions may include components selected from non-persistent materials, non-bioaccumulative materials, or non-toxic materials.Type: ApplicationFiled: August 1, 2007Publication date: February 5, 2009Inventors: Ian MacPherson, Joseph W. Roos, Thomas G. Quinn
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Publication number: 20080307698Abstract: A quaternary ammonium salt detergent made from the reaction product of the reaction of: (a) a hydrocarbyl substituted acylating agent and a compound having an oxygen or nitrogen atom capable of condensing with said acylating agent and further having a tertiary amino group; and (b) a quaternizing agent suitable for converting the tertiary amino group to a quaternary nitrogen and the use of such quaternary ammonium salt detergents in a fuel composition to reduce intake valve deposits.Type: ApplicationFiled: June 13, 2006Publication date: December 18, 2008Applicant: THE LUBRIZOL CORPORATIONInventors: William Barton, Mark C. Davies, David J. Moreton, Paul R. Stevenson, Dean Thetford
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Publication number: 20080010898Abstract: A pellet manufactured from a porous combustible material which is infused with a combustible liquid accelerant. The pellet is preferably made from wood shavings, crushed cocoa shells or coffee grounds that are compressed together. The compressed materials are then soaked in a liquid accelerant, such as a petroleum product, or sprayed with a petroleum product. This results in a pellet that has only an outermost layer that includes the accelerant or the entire pellet is saturated with the accelerant. The pellets are then poured over the wood or briquettes that are to be burned and they tend to filter into the spaces between the wood logs or briquettes. The accelerant is volatile and consequently when a flame is applied to one or more pellets they ignite quickly and the flames spread rapidly from one pellet to another and thereby to the wood logs or briquettes that they surround.Type: ApplicationFiled: July 12, 2006Publication date: January 17, 2008Inventor: Ashok V. Chandaria
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Patent number: 6652609Abstract: This invention relates to fuel oil, especially middle distillate fuel oil, compositions comprising middle distillate fuel oil and at least one fuel-soluble or fuel dispersible calcium and/or magnesium salt.Type: GrantFiled: July 8, 1998Date of Patent: November 25, 2003Assignee: Exxon Chemical Patents IncInventor: Rinaldo Caprotti
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Patent number: 6548462Abstract: The invention relates to bisphenyl thiocompounds of formula (I), wherein X1 to X5 independently represent H, Cl, F, OH, SH, R, —OR and —SR, wherein R is an organic radical with 1 to 18 C atoms, which can be an alkyl or alkenyl radical that can also contain —O—, —S— instead of a one to four non-adjacent CH2 groups and that can be substituted once or multiple times by —OH, —SH or halogen, an unsubstituted phenyl, cyclohexyl or cyclohexylmethyl radical or substituted by one or up to three alkyl groups with a total of 1 to 9 C atoms in which a CH2 group may be replaced by —O—, provided that at least 3 of the radicals X1 to X5 are; Y1 to Y5 independently have the meaning cited for X1 to X5 and Z represents an &agr;, &ohgr;-alkylene group with 2 to 18 C atoms in which one to three CH2 groups may be substituted by —O— or —S— and 1,4-cyclohexandimethyl group or a simple bond.Type: GrantFiled: July 5, 2001Date of Patent: April 15, 2003Assignee: Nematel Dr. Rudolph EidenschinkInventors: Holger Kretzschmann, Rudolf Eidenschink
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Patent number: 6475250Abstract: 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 in which R1 is an alkyl, alkenyl, hydroxyalkyl or aromatic radical having 1 to 50 carbon atoms, X is NH, NR3, O or S, y is 1, 2, 3 or 4, R2 is an alkyl radical carrying hydroxyl groups and having 2 to 10 carbon atoms and R3 is an alkyl radical carrying nitrogen and/or hydroxyl groups and having 2 to 10 carbon atoms or a C1-C20-alkyl radical, and B) 5 to 95% by weight of a terpolymer of ethylene, the vinyl ester of one or more aliphatic, linear or branched monocarboxylic acids which contain 2 to 20 carbon atoms in the molecule and a C5-C7-olefin containing from 9 to 18 mol % of vinyl ester and from 0.5 to 5 mol % of olefin (based in each case on the terpolymer), having a melt viscosity, measured at 140° C., of from 20 to 10,000 mPas.Type: GrantFiled: January 11, 2001Date of Patent: November 5, 2002Assignee: Clariant GmbHInventors: Matthias Krull, Werner Reimann
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Patent number: 6475252Abstract: A liquid hydrocarbon stabilizer including a hindered phenol, and a peroxide decomposer selected from sulfides having a general formula R4—S—R5 and phosphine compounds having a general formula PR6R7R8 where R4, R5, R6, R7, and R8 are the same or different and are each alkyl, aryl, alkylaryl, arylalkyl, hydroxyalkyl, hydroxyaryl, hydroxyalkylaryl, hydroxyarylalkyl groups, or heteroatomic alkyl, aryl, alkylaryl, arylalkyl, hydroxyalkyl, hydroxyaryl, hydroxyalkylaryl, hydroxyarylalkyl groups containing nitrogen, sulfur, or oxygen. A method of treating liquid hydrocarbons with the liquid hydrocarbon is also described.Type: GrantFiled: September 16, 1999Date of Patent: November 5, 2002Assignee: University of DaytonInventors: Shawn P. Heneghan, Steven S. Zabarnick, Mark S. Mick
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Patent number: 6232277Abstract: There are disclosed fuel compositions containing an additive formed by admixture of (i) at least one ethylene polymer, (ii) the product of the condensation reaction between an aldehyde or ketone or reactive equivalent thereof and at least one compound comprising one or more aromatic moieties having at least one substituent of the formula XR1 and one further substituent R2 wherein X is oxygen of sulfur, R1 is hydrogen or a moiety bearing at least one hydrocarbyl group and R2 represents a hydrocarbyl group and (iii) at least one oil soluble polar nitrogen compound different from the condensation product and having one or more substituents of the formula NR13 where R13 represents a hydrocarbyl group containing 8 to 40 carbon atoms.Type: GrantFiled: May 21, 1999Date of Patent: May 15, 2001Assignee: Exxon Chemical Patents IncInventors: Christophe Ledeore, Graham Jackson, Robert Dryden Tack, Iain More
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Patent number: 6096695Abstract: The present invention relates generally to substantially liquid, chlorine-free, sulfur-bridged phenols useful as antioxidants and more specifically to the preparation of a substantially liquid, chlorine-free, sulfur-bridged, hindered phenol compositions which are effective antioxidant(s) in lubricating oils without causing excessive copper corrosion. The invention also includes lubricating oils containing an antioxidant additive of the present invention, as well as a method of reducing oxidation in the lubricating oil used in a machine such as an internal combustion engine.Type: GrantFiled: June 3, 1996Date of Patent: August 1, 2000Assignee: Ethyl CorporationInventors: William Y. Lam, Vincent J. Gatto
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Patent number: 6001786Abstract: The present invention relates generally to substantially liquid, chlorine-free, sulfur-bridged phenols useful as antioxidants and more specifically to the preparation of a substantially liquid, chlorine-free, sulfur-bridged, hindered phenol compositions, using 1-propanol as the reaction solvent, which are effective antioxidant(s) in lubricating oils and liquid organic fuels without causing excessive copper corrosion and which exhibit improved elastomer seal compatibility. The invention also includes lubricating oils and liquid organic fuels containing an antioxidant additive of the present invention, as well as a method of reducing oxidation in the lubricating oil or liquid organic fuel used in a machine such as an internal combustion engine.Type: GrantFiled: February 19, 1997Date of Patent: December 14, 1999Assignee: Ethyl CorporationInventors: Vincent James Gatto, Abbas Kadkhodayan
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Patent number: 5919275Abstract: Fuel or lubricant additives based on reaction products of an ethylenically unsaturated poly-1-alkene derived from one or more 1-alkenes of 3 to 24 carbon atoms and from 0 to 50% by weight of ethene, processes for their preparation and fuel or lubricant compositions containing these additives are described.Type: GrantFiled: October 15, 1996Date of Patent: July 6, 1999Assignee: BASF AktiengesellschaftInventors: Knut Oppenlander, Jurgen Mohr, Hans-Joachim Muller, Dietmar Posselt, Wolfgang Gunther
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Patent number: 5885310Abstract: In the present invention, a solution of synthetic anionic surface active agents is at first prepared by mixing and homogenizing sodium polyoxyethylenealkylether sulfate and sodium alpha-olefin sulfonate (both are anionic surface active agents). Distillated water is added to this solution with mixing such that the mixture becomes a mousse-like emulsion that homogeneously contains a sufficient amount of air bubbles. A condensed emulsion fuel material is then produced by adding petroleum liquid fuel to the mousse-like emulsion with mixing. The concentrated emulsion fuel material and an emulsion fuel has an excellent chemical stability and does not separate to water and oil layers even after a long term storage. In addition, as it can be combusted at a high temperature boiler without requiring so much air, the emission of both soot (dust) and NOx are simultaneously reduced.Type: GrantFiled: December 11, 1997Date of Patent: March 23, 1999Assignees: Makoto Minamidate, Hisayoshi Tanaka, Yutaka HashimotoInventor: Makoto Minamidate
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Patent number: 5709718Abstract: The present invention is directed to the use of sulfur-containing alkoxylate compounds as additives in fuel compositions having a mixture of a major amount of hydrocarbons in the gasoline boiling range and a minor amount of one or more of these compounds. The invention is also directed to the use of these compounds for decreasing intake valve deposits.Type: GrantFiled: August 6, 1996Date of Patent: January 20, 1998Assignee: Shell Oil CompanyInventor: Charles Lee Edwards
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Patent number: 5522906Abstract: A gasoline composition comprising (a) gasoline, (b) a deposit inhibitor or a detergent containing a basic nitrogen atom, (c) a carrier oil, and (d) one or more compounds selected from the group consisting of an ester of a fatty acid and an alkylene oxide addition compound to bisphenol, a compound obtained by the ester exchange reaction of an alcohol and a triglyceride-type fat or oil, an aliphatic or aromatic carboxylic acid, a metal salt of an aliphatic or aromatic carboxylic acid, an ester of an aliphatic or aromatic carboxylic acid and an alcohol, and an ester of boric acid. The composition has superior heat resistance and is excellent in removing deposits in the fuel intake systems and in keeping the systems clean.Type: GrantFiled: April 22, 1994Date of Patent: June 4, 1996Assignee: Kao CorporationInventors: Jiro Hashimoto, Shogo Nomoto, Hitoshi Funada
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Patent number: 5520709Abstract: Alkyl ethers of sulfur containing hydroxyl-derived aromatics have been found to be effective as high-performance synthetic lubricant base stocks with superior catalytic thermal/oxidative stabilities, excellent antiwear and load-carrying properties, as exemplified by bisphenol sulfide (BPS) based products. These ethers are also highly useful in fuel compositions.Type: GrantFiled: September 1, 1994Date of Patent: May 28, 1996Assignee: Mobil Oil CorporationInventors: Liwen Wei, Andrew G. Horodysky, Andrew Jeng, Ross A. Kremer
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Patent number: 5509944Abstract: Gasoline and gasoline mixtures containing unsaturated hydrocarbons are stabilized by the addition thereto of an effective amount of (a) a primary antioxidant of a phenylenediamine, a hindered monophenol, or mixtures thereof, and (b) dimethyl sulfoxide.Type: GrantFiled: August 9, 1994Date of Patent: April 23, 1996Assignee: Exxon Chemical Patents Inc.Inventors: Ramray A. Venkatadri, R. G. Presenti
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Patent number: 5441544Abstract: A fuel additive having the formula: ##STR1## where A.sub.1 is a thioether, a sulfoxide, a sulfone, a sulfonic acid, a sulfonamide, a nitrile, a carboxylic acid or ester, or a carboxamide; R.sub.1 and R.sub.2 are independently hydrogen, hydroxy, lower alkyl, or lower alkoxy; R.sub.3 and R.sub.4 are independently hydrogen or lower alkyl and each R.sub.3 and R.sub.4 is independently selected in each --O--CHR.sub.3 --CHR.sub.4 -- unit; R.sub.5 is hydrogen, alkyl having 1 to 100 carbon atoms, phenyl, aralkyl having 7 to 100 carbon atoms or alkaryl having 7 to 100 carbon atoms, or an acyl group of the formula: ##STR2## where R.sub.6 is alkyl having 1 to 30 carbon atoms, phenyl, aralkyl having 7 to 36 carbon atoms or alkaryl having 7 to 36 carbon atoms; n is an integer from 5 to 100; and x is an integer from 0 to 10.Type: GrantFiled: December 23, 1993Date of Patent: August 15, 1995Assignee: Chevron Chemical CompanyInventor: Richard E. Cherpeck
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Patent number: 5407451Abstract: Lubricant and liquid fuel compositions contain a novel and unobvious friction reducing or antioxidant additive. The additive is a borated hydroxy/hydrocarbyl sulfide containing 2 hydroxy groups.Type: GrantFiled: July 13, 1982Date of Patent: April 18, 1995Assignee: Mobil Oil CorporationInventors: Andrew G. Horodysky, Joan M. Kaminski
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Patent number: 5382266Abstract: The invention relates to inhibiting the degradation of fuel oils by the addition of phosphines and phosphites. Additionally, the invention relates to inhibiting the degradation of fuel oils by drying the fuel oil and adding phosphines and phosphites.Type: GrantFiled: November 25, 1992Date of Patent: January 17, 1995Assignee: Phillips Petroleum CompanyInventors: Fan-Nan Lin, Filippo Pennella
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Patent number: 5336277Abstract: The resistance of in-tank fuel pump copper commutators to become excessively worn by exposure to petroleum fuels containing at least 10 mg/liter of elemental sulfur is substantially increased by the addition of at least about 5 mg/liter of an organomercaptan, compound and at least about 25 mg/liter of a copper metal deactivator capable of forming a sulfur - resistant barrier coating on the copper commutator, to produce a novel fuel composition.Type: GrantFiled: October 26, 1992Date of Patent: August 9, 1994Assignee: Exxon Research & Engineering Co.Inventors: Marc A. Poirier, Robert J. Falkiner
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Patent number: 5271824Abstract: Sulfur containing Mannich reaction product compounds are used as effective antifoulants in liquid hydrocarbonaceous mediums, such as crude and gas oil distillates during processing of such liquids at elevated temperatures.Type: GrantFiled: January 12, 1993Date of Patent: December 21, 1993Assignee: Betz Laboratories, Inc.Inventors: David R. Forester, Paul V. Roling
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Patent number: 5154844Abstract: A product formed by heating (A) a mixture of a carboxylic acid ester and a fatty acid oxyalkylated amine derivative selected from fatty acid amides, fatty acid esters, fatty acid ester-amides of such oxyalkylated amine, and mixtures thereof with (B) sulfur or a sulfur source at an elevated temperature at which sulfurization occurs. Such products are effective as oil additives in inhibiting excessive wear and sludge formation. And they possess excellent compatibility with oils of lubricating viscosity, such as mineral oils used as crankcase lubricating oil base stocks.Type: GrantFiled: September 26, 1990Date of Patent: October 13, 1992Assignee: Ethyl Petroleum Additives, Inc.Inventor: Edmund F. Perozzi
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Patent number: 5045089Abstract: Fuel compositions contain a liquid, partially-sulfurized, hindered phenol antioxidant composition prepared by reacting a liquid mixture of phenols which contains at least 50 weight percent of one or more reactive hindered phenols with sulfur monochloride in proportions to provide from about 0.3 to 0.7 gram atoms of sulfur monochloride per mole of reactive, hindered phenol.Type: GrantFiled: December 3, 1990Date of Patent: September 3, 1991Assignee: Ethyl Petroleum Additives, Inc.Inventors: William Y. Lam, Gregory P. Liesen
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Patent number: 5032144Abstract: The octane value of fuels such as gasoline is increased by adding thereto an organic compound containing a tert-butyl group bonded to a carbon or nitrogen atom, which, in turn, is bonded to yet another atom by double or triple bonds.Type: GrantFiled: August 4, 1988Date of Patent: July 16, 1991Assignee: Union Oil Company of CaliforniaInventors: Peter J. Jessup, Stephen G. Brass, Michael C. Croudace
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Patent number: 5024678Abstract: Process for the prevention of reduction of deposits in carburetors, injection devices or similar devices of engines, which are operated with alcohol fuels comprising 99.9 to 75 Vol.-% methanol, ethanol or a mixture thereof and at least one corrosion inhibitor characterized in that one or several polyol ethers are added to the alcohol fuels in a quantity of 15 ppm up to 1 weight-%, whereby the polyol ether(s) has (have) the general formula ##STR1## wherein R is H, linear or branched C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -alkenyl, polyunsaturated C.sub.1 -C.sub.20 - alkyl, C.sub.1 -C.sub.20 - cycloalkyl, mono- or bicyclo-C.sub.6 -C.sub.14 -aryl, unsubstituted or substituted, R.sub.1 is H, C.sub.1 -C.sub.8 -alkyl, unsubstituted or substituted aryl, R.sub.2 is H, C.sub.1 -C.sub.8 -alkyl, unsubstituted or substituted aryl, and R.sub.3 is OR.sub.5, SR.sub.5, N(R.sub.5).sub.2, wherein R.sub.5 is H, linear or branched C.sub.1 -C.sub.20 -alkyl, C.sub.1 -C.sub.20 -cycloalkyl, mono- and bicyclo-C.sub.6 -C.sub.Type: GrantFiled: April 5, 1988Date of Patent: June 18, 1991Assignee: DEA Mineralol AktiengesellschaftInventors: Dagmar Mertens-Gottselig, Hartmut Hammer, Heinrich Muller, Manfred Wildersohn
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Patent number: 5004481Abstract: Fuel compositions contain a liquid, sulfur-bridged, hindered phenol antioxidant composition prepared by reacting a mixture of hindered phenols with a sulfur chloride in the presence of a polar modifier.Type: GrantFiled: May 4, 1990Date of Patent: April 2, 1991Assignee: Ethyl CorporationInventors: William Y. Lam, Gregory P. Liesen
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Patent number: 4981495Abstract: Oxidative stability of gasoline mixtures is improved by adding to the gasoline an alkyl 1,2-dihydroquinoline compound, dimer, trimer or polymer thereof. Optionally, a hindered phenol may be conjointly used with the quinoline compound.Type: GrantFiled: July 13, 1989Date of Patent: January 1, 1991Assignee: Betz Laboratories, Inc.Inventor: Dwight K. Reid