Nitrogen Attached Directly Or Indirectly To The Hetero Ring By Nonionic Bonding Patents (Class 508/293)
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Patent number: 6043199Abstract: Turbine oils of improved corrosion resistance comprise a synthetic ester base stock and additives comprising a combination of a dibasic carboxylic acid and a second component selected from alkyl or alkenyl succinic acid/anhydride ester or hemi-linear or branched ester and hydroxylated derivatives of such esters or hemi esters, and linear or branched alkyl or alkenyl substituted succinimide or amino substituted succinimide.Type: GrantFiled: November 13, 1998Date of Patent: March 28, 2000Assignee: Exxon Research and Engineering Co.Inventor: Patrick Edward Godici
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Patent number: 6015776Abstract: A polysuccinimide composition is prepared by reacting a mixture of an alkenyl or alkylsuccinic acid derivative, an unsaturated acidic reagent copolymer, and a polyamine under reactive conditions. The alkenyl or alkyl substituent of the alkenyl or alkylsuccinic acid derivative has a Mn of from 140 to 3000. The unsaturated acidic reagent copolymer has an average degree of polymerization of from 2 to 20, and is a copolymer of an unsaturated acidic reagent and an olefin having a Mn of at least 1000. The polyamine has at least three nitrogen atoms and has from 4 to 20 carbon atoms.Type: GrantFiled: September 8, 1998Date of Patent: January 18, 2000Assignee: Chevron Chemical CompanyInventors: James J. Harrison, William R. Ruhe, Jr.
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Patent number: 6001780Abstract: The present invention provides an ashless lubricating oil composition that improves the corrosion properties in natural gas engines. The ashless lubricating oil composition comprises:a) a major amount of base oil of lubricating viscosity;b) from about 1 to 6 wt % of an untreated polyalkylene or polyalkenyl succinimide dispersant; andc) from about 1 to 6 wt % of a borated polyalkylene or polyalkenyl succinimide dispersant.Type: GrantFiled: June 30, 1998Date of Patent: December 14, 1999Assignee: Chevron Chemical Company LLCInventors: Andrew W. Ho, Mark R. Logan, Laura J. Whaley
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Patent number: 5965497Abstract: This invention relates to shear stable multigrade oils for crankcase lubrication of gasoline and diesel engines which oils are substantially free of viscosity modifier additives and comprise a detergent inhibitor package of lubricating oil additives, which package includes an ashless dispersant comprising an oil soluble polymeric hydrocarbon backbone having functional groups in which the hydrocarbon backbone is derived from an ethylene alpha-olefin (EAO) copolymer or alpha-olefin homo- or copolymer an M.sub.n of from 500 to 7000. Such multigrade crankcase oils without viscosity modifiers are more economical and may provide better diesel performance and seal comparability. The oils are also substantially shear stable and may be used in turbocharged engines and racing engines, with reduced mechanical breakdown of the oil.Type: GrantFiled: December 9, 1996Date of Patent: October 12, 1999Assignee: Exxon Chemical Patents, Inc.Inventors: David Robert Adams, Paul Brice
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Patent number: 5962378Abstract: The present invention provides functional fluid compositions containing a major portion of oil of lubricating viscosity and a novel and synergistic combination of an acylated nitrogen-containing compound having an olefinic substituent averaging in carbon number from 20 to 60 and at least one ashless detergent/dispersant.Type: GrantFiled: July 21, 1998Date of Patent: October 5, 1999Assignee: Exxon Chemical Patents Inc.Inventors: George M. Tiffany, Rolfe J. Hartley, Antonio Gutierrez, Emil J. Meny
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Patent number: 5932525Abstract: Multigrade lubricating oils for use in lubricating internal combustion engines, using basestocks with low levels (<75 mass %) of saturated hydrocarbons, comprise less than 3 mass % of ashless dispersant derived from a polymer of number average molecular weight (Mn) of not greater than 5000, and a viscosity modifier package to give the desired viscometrics comprising at least one multifunctional viscosity modifier. These oils meet stringent engine performance requirements and specifically give adequate varnish inhibition without very high treat levels of dispersants and/or use of specific detergent systems so avoiding problems of oxidation stability, compatibility and engine performance debits.Type: GrantFiled: April 3, 1997Date of Patent: August 3, 1999Assignee: Exxon Chemical Patents, Inc.Inventors: Johan Ney, Robert Robson, Trevor Russell
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Patent number: 5872084Abstract: A Koch functionalized product, which is the reaction product of at least one hydrocarbon with carbon monoxide and a nucleophilic trapping agent, is derivatized with a heavy polyamine and a second amine. The hydrocarbon is a hydrocarbon compound or a hydrocarbon polymer. A heavy polyamine is a mixture of polyamines containing small amounts of lower polyamine oligomers such as tetraethylene pentamine and pentaethylenehexamine and containing primarily oligomers with more than 6 nitrogens and more extensive branching. Rubber seals embrittlement is reduced or minimized.Type: GrantFiled: January 15, 1998Date of Patent: February 16, 1999Assignee: Exxon Chemical Patents, Inc.Inventors: Jacob I. Emert, Joseph V. Cusumano, David C. Dankworth, William D. Diana, William B. Eckstrom, Keith R. Gorda, Antonio Gutierrez, Jon E. Stanat, Warren A. Thaler, Stephen Zushma
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Patent number: 5872082Abstract: A method of increasing the static coefficient of friction of an oleaginous composition, such as an ATF, comprising adding to a major portion of an oil of lubricating viscosity a friction increasing amount of an oil soluble friction increasing reaction product comprising (a) an oil soluble substituted or unsubstituted, saturated or unsaturated, branched hydrocarbyl group containing from about 12 to about 50 total carbon atoms, (b) a linking group, and (c) a nitrogen-containing polar group, wherein the polar group contains at least one nitrogen atom and, optionally, contains at least one atom selected from the group consisting of boron, oxygen and sulfur atoms, and wherein the polar group is linked to the branched hydrocarbyl group through the linking group.Type: GrantFiled: October 21, 1997Date of Patent: February 16, 1999Assignee: Exxon Chemical Patents Inc.Inventors: Raymond Frederick Watts, Ricardo Alfredo Bloch, Antonio Gutierrez, Roger Keith Nibert, Jack Ryer
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Patent number: 5866519Abstract: This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.Type: GrantFiled: July 7, 1997Date of Patent: February 2, 1999Assignee: Exxon Chemical Patents Inc.Inventors: Raymond Frederick Watts, Ricardo Alfredo Bloch
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Patent number: 5821205Abstract: A succinimide composition is prepared by reacting a mixture of an alkenyl or alkylsuccinic acid derivative, an unsaturated acidic reagent copolymer, and a polyamine under reactive conditions. The alkenyl or alkyl substituent of the alkenyl or alkylsuccinic acid derivative has a Mn of from 1000 to 5000. The unsaturated acidic reagent copolymer is a copolymer of an unsaturated acidic reagent and an alkylene group. That alkylene group can be an .alpha.-olefin having 8 to 42 carbon atoms, a polyalkylene having from 8 to 28 carbon atoms, ethylene, styrene, 1,3-butadiene, vinyl alkyl ether having at least 3 carbon atoms, or vinyl alkanoate having at least 4 carbon atoms. The polyamine has at least three nitrogen atoms and 4 to 20 carbon atoms. The mixture contains from 0.5 to 10 equivalents of the alkenyl or alkylsuccinic acid derivative per equivalent of unsaturated acidic reagent copolymer and from 0.4 to 1.Type: GrantFiled: December 1, 1995Date of Patent: October 13, 1998Assignee: Chevron Chemical CompanyInventors: James J. Harrison, William R. Ruhe, Jr.
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Patent number: 5792730Abstract: A succinimide dispersant, which is the reaction product of hydrocarbons or polymers functionalized by halogenation (e.g. chlorination), thermal "ene" reaction or free radical grafting and derivatized with a heavy polyamine. A heavy polyamine is a mixture of polyalkylenepolyamines comprising small amounts of lower polyamine oligomers such as tetraethylene pentamine and pentahexamine but primarily oligomers with 7 or more nitrogens, 2 or more primary amines per molecule, and more extensive branching than conventional polyamine mixtures.Type: GrantFiled: July 16, 1997Date of Patent: August 11, 1998Assignee: Exxon Chemical Patents, Inc.Inventors: Antonio Gutierrez, Jacob I. Emert, Robert D. Lundberg, Eric Bannister
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Patent number: 5792729Abstract: A terpolymer having an average M.sub.n of from 600 to 100,000 is obtained by the terpolymerization of a 1-olefin having from 10 to 30 carbon atoms, maleic anhydride, and a 1,1 -disubstituted polyisobutylene having an average M.sub.n of from 500 to 5,000.Type: GrantFiled: August 20, 1996Date of Patent: August 11, 1998Assignee: Chevron Chemical CorporationInventors: James J. Harrison, William R. Ruhe, Jr.
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Patent number: 5789355Abstract: This invention relates to low volatility 5W20, 5W30, 10W40, 10W50, 15W40 or 15W50 multigrade oils for crankcase lubrication of gasoline and diesel engines, the oils comprising:a) basestock having an average basestock neutral number of not less than 105 for a 5W multigrade, not less than 145 for a 10W multigrade and not less than 200 for a 15W multigrade,b) a detergent inhibitor package including an ashless dispersant comprising an oil soluble polymeric hydrocarbon backbone having functional groups in which the hydrocarbon backbone is derived from an ethylene alpha-olefin (EAO) copolymer or alpha-olefin homo- or copolymer having an M.sub.n of from 500 to 7000, and preferably having >30% of terminal vinylidene unsaturation, andc) a viscosity modifier.These multigrade crankcase oils provide better volatility with reduced use or even without the need for expensive light neutral basestocks or non-conventional lubricant basestocks, while at the same time providing adequate control of sludge and varnish.Type: GrantFiled: December 20, 1996Date of Patent: August 4, 1998Assignee: Exxon Chemical LimitedInventors: David Robert Adams, Paul Brice
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Patent number: 5789356Abstract: The present invention provides functional fluid compositions containing a major portion of oil of lubricating viscosity and a novel and synergistic combination of an acylated nitrogen-containing compound having an olefinic substituent averaging in carbon number from 20 to 60 and at least one ashless detergent/dispersant.Type: GrantFiled: February 11, 1997Date of Patent: August 4, 1998Assignee: Exxon Chemical Patents IncInventor: George Mortimer Tiffany, III
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Patent number: 5783735Abstract: A process for preparing polymeric amides is disclosed. The process comprises sequentially reacting a hydrocarbon polymer functionalized (e.g., via the Koch reaction) to contain acid, ester, thioacid and/or thioester groups with a heavy polyamine to form a partially derivatized product in which at least about 85% of the functional groups are converted to heavy (thio)amide groups, and then reacting the partially derivatized product with an excess of light amine to complete the derivatization by converting substantially all of the remaining functional groups to light (thio)amide groups. Products of the foregoing process are also disclosed, which products are useful as additives in fuels and in lubricants.Type: GrantFiled: May 25, 1995Date of Patent: July 21, 1998Assignee: Exxon Chemical Patents Inc.Inventors: Jacob I. Emert, Joseph V. Cusumano, David C. Dankworth, William D. Diana, William B. Eckstrom, Keith R. Gorda, Antonio Gutierrez, Jon E. Stanat, Warren A. Thaler, Stephen Zushma
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Patent number: 5756431Abstract: A Koch functionalized product, which is the reaction product of at least one hydrocarbon with carbon monoxide and a nucleophilic trapping agent, is derivatized with a heavy polyamine and a second amine. The hydrocarbon is a hydrocarbon compound or a hydrocarbon polymer. A heavy polyamine is a mixture of polyamines containing small amounts of lower polyamine oligomers such as tetraethylene pentamine and pentaethylenehexamine and containing primarily oligomers with more than 6 nitrogens and more extensive branching. Rubber seals embrittlement is reduced or minimized.Type: GrantFiled: May 25, 1995Date of Patent: May 26, 1998Assignee: Exxon Chemical Patents IncInventors: Jacob I. Emert, Joseph V. Cusumano, David C.. Dankworth, William D. Diana, William B. Eckstrom, Keith R. Gorda, Antonio Gutierrez, Jon E. Stanat, Warren A. Thaler, Stephen Zushma
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Patent number: 5756428Abstract: Hydrocarbyl substituted C.sub.4 to C.sub.10 monounsaturated dicarboxylic acid, anhydrides or esters, e.g. polyisobutenyl succinic anhydride, preferably made by reacting polymer of C.sub.2 to C.sub.10 monoolefin, preferably polyisobutylene, having a number arrange molecular weight of about 700 to 1200, preferably with a C.sub.4 to C.sub.10 monounsaturated acid, anhydride or ester, preferably maleic anhydride, such that there are 1.2 to 2.0 dicarboxylic acid producing moieties per molecule of said olefin polymer used in the reaction mixture. The resulting materials may be further reacted with amines, alcohols, amino alcohols, boric acid, etc. to form dispersants.Type: GrantFiled: September 29, 1988Date of Patent: May 26, 1998Assignee: Exxon Chemical Patents Inc.Inventors: Jack Emert, Robert Dean Lundberg
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Patent number: 5753597Abstract: A polysuccinimide composition is prepared by reacting a mixture of a copolymer of a first unsaturated acidic reagent and a 1,1-disubstituted olefin; a copolymer of a second unsaturated acidic reagent and a 1-olefin, and a polyamine under reactive conditions; then treating the reaction product with either a cyclic carbonate or a linear mono- or polycarbonate or boron compound under reactive conditions. The two unsaturated acidic reagents can be the same or different. The mixture contains from 0.1 to 1.5 equivalents of polyamine per equivalent of acidic groups of the first and second copolymers.Type: GrantFiled: August 20, 1996Date of Patent: May 19, 1998Assignee: Chevron Chemical CompanyInventors: James J. Harrison, William R. Ruhe, Jr.
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Patent number: 5735915Abstract: A simplified process for preparation of an alkenylsuccinimide or a polyalkenylsuccinimide is described, characterized in that it comprises successively: a stage (a) in which an alkenylsuccinic anhydride or a polyalkenylsuccinic anhydride is prepared by bringing about an ene-synthesis reaction between at least one olefin or one polyolefin and at least one unsaturated dicarboxylic anhydride that is selected from maleic anhydride and the maleic anhydrides that are substituted by 1 or 2 methyl groups, characterized in that said reaction is carried out within at least one aromatic solvent that is selected from toluene and the xylenes that are used at a ratio of between 30 to 70% by weight of the reaction mixture and in which a fraction of said unsaturated dicarboxylic anhydride does not react with said olefin or polyolefin; a stage (b) in which the product of stage (a) that contains unsaturated, unreacted dicarboxylic anhydride is reacted with at least one alcohol or an amine; and a stage (c) in which the productType: GrantFiled: January 17, 1997Date of Patent: April 7, 1998Assignee: Institut Francais du PetroleInventors: Patrick Gateau, Daniel Binet, Fabrice Paille, Jean-Pierre Durand
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Patent number: 5646099Abstract: This invention provides a composition and method for producing partial synthetic automatic transmission fluids having improved shear-stability and low temperature properties without the need to incorporate polymeric viscosity modifiers.Type: GrantFiled: July 17, 1995Date of Patent: July 8, 1997Assignee: Exxon Chemical Patents Inc.Inventors: Raymond Frederick Watts, Ricardo Alfredo Bloch
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Patent number: 5641732Abstract: This invention provides compositions and methods for producing partial synthetic automatic transmission fluids capable of improved viscometric properties and capable of achieving -40.degree. C. Brookfield viscosities not greater than 15,000 centipoise.Type: GrantFiled: July 17, 1995Date of Patent: June 24, 1997Assignee: Exxon Chemical Patents Inc.Inventors: Ricardo Altredo Bloch, Christopher William Cornish, Raymond Frederick Watts
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Patent number: 5641733Abstract: This invention provides compositions and methods for producing partial synthetic automatic transmission fluids capable of improved viscometric properties and capable of achieving -40.degree. C. Brookfield viscosities not greater than 15,000 centipoise.Type: GrantFiled: September 1, 1995Date of Patent: June 24, 1997Assignee: Exxon Chemical Patents Inc.Inventors: Ricardo Alfredo Bloch, Christopher William Cornish, Raymond Frederick Watts
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Patent number: 5639716Abstract: Oil-soluble dispersant additives are disclosed. The additives comprise the reaction product of a functionalized 1-butene copolymer and at least one nucleophilic reactant selected from amines, amino alcohols, alcohols, and reactive metal compounds. The functionalized copolymer has within its structure at least one acyl functional group selected from the group consisting of C.sub.4 to C.sub.10 dicarboxylic acids and derivatives thereof and C.sub.3 to C.sub.10 monocarboxylic acids and derivatives thereof. The 1-butene copolymer is derived from 1-butene and at least one other .alpha.-olefin of formula CH.sub.2 .dbd.CHR', wherein R' is methyl or a C.sub.3 to C.sub.12 linear or branched alkyl group. The copolymer has a number average molecular weight of at least about 700, a molecular weight distribution of less than 5, and ethenylidene groups terminating at least about 30% of all polymer chains.Type: GrantFiled: June 9, 1994Date of Patent: June 17, 1997Assignee: Exxon Chemical Patents Inc.Inventors: Albert Rossi, Jacob I. Emert, Warren A. Thaler
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Patent number: 5614480Abstract: A lubricating oil composition is described which comprises a major amount of an oil of lubricating viscosity and(A) at least about 1% by weight of at least one carboxylic derivative composition produced by reacting(A-1) at least one substituted succinic acylating agent containing at least about 50 carbon atoms in the substituent with(A-2) from about 0.5 equivalent up to about 2 moles, per equivalent of acylating agent (A-1), of at least one amine compound characterized by the presence within its structure of at least one HN<group; and(B) at least one alkali metal overbased salt of a hydrocarbyl-substituted carboxylic acid or a mixture of a hydrocarbyl carboxylic acid and a hydrocarbyl-substituted sulfonic acid having a metal ratio of greater than 2 in an amount sufficient to provide at least about 0.Type: GrantFiled: July 25, 1994Date of Patent: March 25, 1997Assignee: The Lubrizol CorporationInventors: Mary F. Salomon, Kirk E. Davis, Jack L. Karn, John Cahoon