Three Or Four Nitrogens In The Hetero Ring (e.g., 1,2,4-triazole, Tetrazole, Etc.) Patents (Class 508/279)
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Patent number: 7772168Abstract: A lubricating composition includes, in weight %, at least 90 percent of a vegetable oil, and an additive composition including: (a) about 1.5 to 2 percent triphenylphosphorothionate (TPPT), (b) about 0.1 to 3 percent hindered phenolic antioxidant, (c) about 0.05 to 0.25 percent 1-[di(phenyl)aminomethyl]tolutriazole, and (d) about 0.05 to 0.5 percent alkyl succinic acid half ester rust inhibitor.Type: GrantFiled: November 29, 2007Date of Patent: August 10, 2010Assignee: R.T. Vanderbilt Company, Inc.Inventors: Brian Stunkel, Gaston A. Aguilar
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Publication number: 20100152076Abstract: A Lubricant comprises a carboxylic-acid-amide which is based on aliphatic unbranched, alicylic and/or aromatic chains with chain lengths from 2 to 60 carbon atoms.Type: ApplicationFiled: November 23, 2005Publication date: June 17, 2010Applicant: AB SKFInventors: Ebbe Malmstedt, Walter Holweger, Hurbertus Peek, Ingemar Strandell, Arno Stubenrauch, Bernhard Bauer, Frank Fiddelaers, Albert Van Den Kommer
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Publication number: 20100144568Abstract: The present invention provides novel organic molybdenum compounds, the use thereof as friction-modifiers and lubricating compositions which contain said compounds. The organic molybdenum compounds can be represented by the general formula (1) which is indicated below, wherein A1 and A2 are heterocyclic rings which may have substituent groups.Type: ApplicationFiled: February 1, 2008Publication date: June 10, 2010Inventors: Eiji Nagatomi, Noriaki Shinoda, Yoshihiko Aihara
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Publication number: 20100137174Abstract: Provided is a functional fluid including a tetrazole compound (A) and a base oil (B), which may further include a triazole compound (C).Type: ApplicationFiled: May 24, 2007Publication date: June 3, 2010Applicant: CHIYODA CHEMICAL CO., LTD.Inventors: Akio Maeda, Satoshi Yamamoto
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Publication number: 20100099589Abstract: A lubricant composition that is particularly suited for use in steam and gas turbine oils and in circulating oils has a balance of excellent oxidative stability and reduced sludge formation and comprises a blended mixture of alkylated phenyl-?-naphthylamine and at least oil soluble triazole or triazole derivative in an oil of lubricating viscosity, such compositions being capable of a residual RPVOT of 25% after at least 500 hours test duration test duration 120° C. in Dry TOST test or, alternatively 50% after 700 hours or 25% after 1000 hours.Type: ApplicationFiled: October 17, 2008Publication date: April 22, 2010Inventors: Helen Ryan, Ricky Shyam Prasad, John M. Taylor
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Publication number: 20100081593Abstract: The invention relates to compositions suitable as additive packages for lubricants and other functional fluids, the composition comprising sulfur-containing extreme pressure components, phosphorus-containing anti-wear additives, a triazole-containing species. A preferred use is in industrial gear oils. In embodiments, enhance protection in the areas of bearing wear and micropitting are obtained.Type: ApplicationFiled: December 4, 2009Publication date: April 1, 2010Inventors: Shi-Ming Wu, William T. Sullivan, Ellen Bernice Brandes
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Publication number: 20100037648Abstract: The present invention provides a lubricating oil for a compression type refrigerator including a polyvinyl ether-based compound containing an alkylene glycol or polyoxyalkylene glycol unit and a vinyl ether unit in a molecule and having a molecular weight in a range of 300 to 3,000, a metal deactivator, and at least one kind phosphorous compound selected from a phosphate and a phosphite. The lubricating oil for a compression type refrigerator of the present invention has high miscibility and high viscosity index, and is excellent in anti-seizure property and corrosion stability under carbon dioxide atmosphere.Type: ApplicationFiled: September 21, 2007Publication date: February 18, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventors: Masato Kaneko, Harutomo Ikeda
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Patent number: 7648948Abstract: The invention relates to compositions suitable as additive packages for lubricants and other functional fluids, the composition comprising sulfur-containing extreme pressure components, phosphorus-containing anti-wear additives, a triazole-containing species. A preferred use is in industrial gear oils. In embodiments, enhance protection in the areas of bearing wear and micropitting are obtained.Type: GrantFiled: April 8, 2005Date of Patent: January 19, 2010Assignee: ExxonMobil Chemical Patents Inc.Inventors: Shi-Ming Wu, William T. Sullivan, Ellen Bernice Brandes
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Publication number: 20090318316Abstract: This invention relates to a lubricating oil composition being excellent in oxidation stability and low-temperature flowability, and more particularly to a lubricating oil composition characterized by using as a base oil a diester obtained from a straight-chain dihydric alcohol having a carbon number of 6 to 12 and having a hydroxyl group at both terminal carbon atoms respectively and a branched-chain saturated monovalent fatty acid having a carbon number of 6 to 12.Type: ApplicationFiled: August 23, 2007Publication date: December 24, 2009Applicant: JAPAN ENERGY CORPORATIONInventor: Yoshiyuki Morishima
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Publication number: 20090318317Abstract: Disclosed is a lubricating oil for a fluid bearing, which has a low viscosity, a reduced amount of evaporation, and superior low-temperature flowability. The lubricating oil includes, as a base oil, a high-purity diester synthesized from a carboxylic acid material containing 90 mass % or more of azelaic acid and an alcohol material containing 90 mass % or more of 2-ethyl-1-hexanol. The carboxylic acid material contains glutaric acid, adipic acid, pimelic acid, suberic acid, sebacic acid and 1,9-nanomethylenedicarboxylic acid in a total amount of 5 mass % or less.Type: ApplicationFiled: August 31, 2007Publication date: December 24, 2009Applicants: JAPAN ENERGY CORPORATION, NIDEC CORPORATIONInventor: Yoshiyuki MORISHIMA
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Publication number: 20090291867Abstract: Aqueous alkaline metal working fluids and concentrates thereof and processes for their use are disclosed. Processes to reduce the presence of Mycobacteria in a metal working environment are also disclosed.Type: ApplicationFiled: August 3, 2009Publication date: November 26, 2009Inventors: Mark J. Fretz, Paul Kutzko
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Patent number: 7595288Abstract: Aqueous alkaline metal working fluids and concentrates thereof and processes for their use are disclosed. Processes to reduce the presence of Mycobacteria in a metal working environment are also disclosed.Type: GrantFiled: February 4, 2005Date of Patent: September 29, 2009Assignee: Henkel Kommanditgesellschaft Auf AktienInventors: Mark J. Fretz, Paul Kutzko
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Publication number: 20090137435Abstract: Electrical oil formulation comprising a base oil component and an additive, wherein (i) at least 80 wt % of the base oil component is a paraffin base oil having a paraffin content of greater than 80 wt % paraffins and a saturates content of greater than 98 wt % and comprising a series of iso-paraffins having n, n+1, n+2, n+3 and n+4 carbon atoms and wherein n is between 20 and 35; and (ii) an anti-oxidant additive; wherein the base oil component has a flash point of at least 170° C., as determined by ISO 2592.Type: ApplicationFiled: June 22, 2006Publication date: May 28, 2009Inventors: Andree Hilker, Volker Klaus Null
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Publication number: 20090082235Abstract: Oxidation stable oil formulation comprising a base oil composition comprising a mineral-derived naphthenic base oil, a mineral-derived paraffinic base oil, and/or a Fischer-Tropsch derived paraffinic base oil, a copper passivator and at most 0.1 wt % of an organic sulphur or phosphorus anti-wear additive.Type: ApplicationFiled: June 22, 2006Publication date: March 26, 2009Inventors: Andree Hilker, Volker Klaus Null
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Publication number: 20090036337Abstract: An electrical insulating oil composition comprising a heavy reformate as an anti-gassing agent is provided with excellent gassing tendency. In one embodiment, the composition displays a gassing performance of <30 ?L per minute as measured according to ASTM D-2300-1976. In a second embodiment, the composition displays a gassing performance of <0 ?L per minute. In a third embodiment, the composition displays a negative gassing tendency as low as <?70 ?L per minute.Type: ApplicationFiled: July 31, 2007Publication date: February 5, 2009Applicant: Chevron U.S.A. Inc.Inventors: Scott C. Deskin, John M. Rosenbaum, Nancy J. Bertrand, Doran Y. Lum, Thomas D'Amico, Ravindra Shah
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Publication number: 20080312113Abstract: Novel non-aqueous water soluble food grade lubricant compositions comprising: (a) About 5% to about 50% of a polyalkylene glycol comprised of an ethylene oxide/propylene oxide copolymer, or polymer of propylene oxide, having molecular weight greater than 1,500; and (b) About 50% to about 95% of a polyethylene glycol having molecular weight of from about 200 to about 600; wherein said lubricating compositions have viscosities of about 28 to about 100% at 40° C. The novel non-aqueous water soluble food grade lubricant compositions are particularly useful in food processing and packaging equipment applications where low viscosity food grade lubricants with low pour points are desired, and in applications where there is a need for equipment and spill cleanup. These food grade lubricant compositions are also environmentally friendly due to their water solubility, rapid biodegradability, and low aquatic toxicity.Type: ApplicationFiled: July 13, 2005Publication date: December 18, 2008Inventors: Daryl L. Beatty, Martin R. Greaves
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Publication number: 20080312115Abstract: The invention relates to an additive composition, which comprises an additive mixture that essentially consists of a) At least one ammonium phosphate ester; b) At least one thiophosphoric acid ester, and c) At least one dithiophosphoric acid derivative; in combination with sulphur containing oil additives; and a process for the reduction of wear in combustion engines, such as spark ignition or Diesel motor engines.Type: ApplicationFiled: March 13, 2006Publication date: December 18, 2008Inventor: Marc Ribeaud
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Publication number: 20080287328Abstract: There is disclosed a lubricant composition comprising major amount of a base oil and a minor amount of an additive composition comprising (i) a triazole compound substituted with an aryl moiety; (ii) at least one nitrogen containing compound chosen from an alkylated phenothiazine and a compound represented by the formula (I): wherein R0, R1 and R2 are each independently selected from the group consisting of an aryl moiety comprising from about 6 to about 30 carbon atoms, hydrogen, halogen, hydroxy, hydrocarbyl substituted hydrocarbyl, amino, amido, phosphoro, and sulfono, with the proviso that at least one of R0, R1 and R2 are chosen to be an aryl moiety comprising from about 6 to about 30 carbon atoms; ana (iii) a metal detergent with a soap/TBN ratio ranging from about 0.05 to about 1.5.Type: ApplicationFiled: May 16, 2007Publication date: November 20, 2008Inventors: John T. Loper, Paul G. Griffin, Naresh C. Mathur, David A. Hutchison
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Publication number: 20080194442Abstract: The present invention discloses a method for lubricating a transmission having at least one electromechanical component and at least one mechanical component in a single housing. The method includes supplying a lubricant composition made up of (a) a base oil; (b) an oil soluble, phosphorus-containing compound; and (c) a corrosion inhibitor to the transmission.Type: ApplicationFiled: February 13, 2007Publication date: August 14, 2008Inventors: Raymond F. Watts, Joe R. Noles
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Publication number: 20080171676Abstract: A grease composition using lubricating base oil that is biodegradable by microorganisms in nature and has an affinity to the human body is provided. More particularly, a distillation residue secondarily generated in production of biodiesel from vegetable oil (soybean oil and canola oil) is used as the lubricating base oil. The grease composition is produced by adding 1 to 20 wt % of additives to 100 to 95 wt % of distillation residues, which is generated in production of biodiesel, and 1 to 30 wt % of thickeners.Type: ApplicationFiled: September 20, 2007Publication date: July 17, 2008Inventors: Kwang Soon Kim, Moon Sik Lee
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Publication number: 20080139422Abstract: There is disclosed a lubricant composition comprising major amount of a base oil and a minor amount of an additive composition comprising (i) a triazole compound substituted with an aryl moiety; (ii) a nitrogen-containing compound represented by the formula (I): wherein R1 and R2 are each independently selected from the group consisting of at least one aryl moiety comprising from about 6 to about 30 atoms, hydrogen, halogen, hydroxy, hydrocarbyl, substituted hydrocarbyl, amino, amido, phosphoro, and sulfono; and (iii) a sulfurized compound.Type: ApplicationFiled: December 6, 2006Publication date: June 12, 2008Inventors: John T. Loper, Naresh C. Mathur, Paul G. Griffin, David A. Hutchison
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Publication number: 20080139421Abstract: There is disclosed a lubricant composition comprising a major amount of a base oil and a minor amount of an additive composition comprising (i) a triazole compound substituted with an aryl moiety; (ii) a nitrogen-containing compound represented by the formula (I): wherein R1 and R2 are each independently selected from the group consisting of at least one aryl moiety comprising from about 6 to about 30 atoms, hydrogen, halogen, hydroxy, hydrocarbyl, substituted hydrocarbyl, amino, amido, phosphoro, and sulfono; and (iii) a phenolic compound.Type: ApplicationFiled: December 6, 2006Publication date: June 12, 2008Inventors: John T. Loper, Naresh C. Mathur, Paul G. Griffin, David A. Hutchison
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Publication number: 20080139426Abstract: The present application is directed to additive package compositions including a diluent; a hydrocarbyl substituted triazole compound; and an amide formed by reacting an amine compound chosen from guanidines, ureas and thioureas with a C5 to C60 aliphatic carboxylic acid, with the proviso that the triazole compound is not an alkyl bis-3-amino-1,2,4-triazole or an oleyl-1,2,4-triazole-3-amine. Lubricant compositions and methods of employing the lubricant compositions are also disclosed.Type: ApplicationFiled: August 21, 2007Publication date: June 12, 2008Applicant: Afton Chemical CorporationInventor: David A. Hutchison
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Publication number: 20080139425Abstract: The present application is directed to additive package compositions and lubricant compositions comprising a hydrocarbyl substituted triazole compound. Methods of using the compositions to lubricate a machine and provide lead corrosion protection are also disclosed.Type: ApplicationFiled: December 11, 2006Publication date: June 12, 2008Inventors: David A. Hutchison, Robert T. Dittmeier
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Publication number: 20080139427Abstract: There is disclosed a lubricant composition comprising a major amount of a base oil; and a minor amount of a synergistic additive composition comprising: (i) a triazole compound substituted with an aryl moiety, with the proviso that the triazole compound is not an alkyl bis-3-amino-1,2,4-triazole; and (ii) a nitrogen-containing compound represented by the formula: wherein R1 and R2 are each independently selected from the group consisting of at least one aryl moiety comprising from about 6 to about 30 carbon atoms, hydrogen, halogen, hydroxy, hydrocarbyl, substituted hydrocarbyl, amino, amido, phosphoro, and sulfono.Type: ApplicationFiled: August 22, 2007Publication date: June 12, 2008Inventors: David A. Hutchison, Robert T. Dittmeier
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Publication number: 20080132434Abstract: A lubricating composition includes, in weight %, at least 90 percent of a vegetable oil, and an additive composition including: (a) about 1.5 to 2 percent triphenylphosphorothionate (TPPT), (b) about 0.1 to 3 percent hindered phenolic antioxidant, (c) about 0.05 to 0.25 percent 1-[di(phenyl)aminomethyl]tolutriazole, and (d) about 0.05 to 0.5 percent alkyl succinic acid half ester rust inhibitor.Type: ApplicationFiled: November 29, 2007Publication date: June 5, 2008Applicant: R. T. VANDERBILT COMPANY, INC.Inventors: Brian Stunkel, Gaston A. Aguilar
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Publication number: 20080064615Abstract: Lubricating oil compositions are provided that inhibit coolant-induced oil filter plugging in heavy-duty diesel engines, and particularly CJ-4 and CI-4 PLUS compliant lubricating oil compositions that inhibit coolant-induced oil filter plugging in exhaust gas recirculation or recycle engines.Type: ApplicationFiled: September 7, 2006Publication date: March 13, 2008Inventors: Cathy C. Devlin, Charles A. Passut, Paul G. Griffin
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Patent number: 7214648Abstract: An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination thereof, an oil soluble molybdenum additive, a dispersant inhibitor containing zinc dithiophosphate, and viscosity index improvers and one or more seal swelling agents to lubricate the engine and recondition the seals of new and/or high mileage engines. Addition of a polyalphaolefin and/or one or more esters such as a diester or polyolester may also be utilized therein. The lubricant may be formulated as a complete engine oil crankcase lubricant, or concentrated into an additive for addition to conventional mineral oil based engine oil, synthetic engine oils, or blends thereof in an effective amount of up to 30 percent volume percent, typically from 20 to 25 percent by volume.Type: GrantFiled: July 29, 2002Date of Patent: May 8, 2007Assignee: Ashland Licensing and Intellectual Property, LLCInventors: Mandeep S. Saini, Thomas R. Smith, Michael A. Dituro, Richard J. Baumgart, Frances E. Lockwood
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Patent number: 6919300Abstract: A protective lubricating composition is provided which will penetrate readily to closely fitting frictional parts and form a protective non-migrating lubricating film improving lubrication between the moving parts reducing friction and wear and preventing corrosion. The lubricant composition may be combined with solvents and propellants to make a sprayable lubricant composition.Type: GrantFiled: July 2, 2002Date of Patent: July 19, 2005Assignee: Ashland Inc.Inventors: Michael A. Dituro, Richard J. Baumgart, Mandeep S. Saini, Christopher J. Nonevski
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Patent number: 6780824Abstract: Emulsifier system containing a) ethoxylates/propoxylates of fatty alcohols with 8 to 18 C atoms in the alcohol with 2 to 6 ethylene oxide units and 4 to 8 propylene oxide units, b) fatty alcohols and/or fatty alcohol propoxylates with 12 to 24 C atoms in the alcohol and 0 to 3 propylene oxide units and/or distillation residue of these fatty alcohols and c) phosphates, selected from: c1) mono- and/or diesters of phosphoric acid with alkanols with 10-20 C atoms, c2) mono- and/or diesters of phosphoric acid with ethoxylated and/or propoxylated alkanols with 10-20 C atoms and/or c3) phosphates of polyethylene glycol ethers and/or polypropylene glycol ethers, and the water-soluble salts of each of these, in a weight ratio a:b:c=1:0.3:0.1 to 1:4:1; anti-corrosive and emulsifier system with these components, emulsion concentrate with these components, oil-in-water emulsion obtainable therefrom and use thereof as a cleaning, anti-corrosive and low-temperature lubricant emulsion.Type: GrantFiled: October 31, 2002Date of Patent: August 24, 2004Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)Inventors: Hans-Peter Oelscher, Juergen Geke
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Publication number: 20040116306Abstract: Hydraulic fluids, in particular brake fluids for motor vehicles, having improved corrosion protection, comprisingType: ApplicationFiled: September 4, 2003Publication date: June 17, 2004Inventors: Bernd Wenderoth, Michael Roida, Bayram Aydin, Uwe Fidorra
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Publication number: 20040038835Abstract: Formulated engine oils that comprise certain 1,2,4-triazole metal deactivators are especially non-aggressive towards lead engine parts such as bearings. The inclusion of certain 1,2,4-triazole compounds allows the co-use of corrosive additives such as sulfur-containing additives and vegetable oil-derived friction modifiers while at the same time meeting ASTM D 4485 specifications.Type: ApplicationFiled: June 19, 2003Publication date: February 26, 2004Inventors: David E. Chasan, Sunray Difrancesco
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Patent number: 6620772Abstract: A biodegradable penetrating lubricant, comprised of: (A) at least one triglyceride oil of the formula: wherein R1, R2, and R3 are aliphatic hydrocarbyl groups containing from about 7 to about 23 carbon atoms; (B) an organic solvent selected from the group comprising: (1) ethyl lactate, (2) methyl ester, and (3) combinations of 1 and 2; (C) an antioxidant; and, (D) a corrosion inhibitor. Optionally, the lubricant may further an additive selected from the group comprising: (E) a viscosity modifier; (F) an anti-wear inhibitor; and, (G) an emulsifier.Type: GrantFiled: June 12, 2002Date of Patent: September 16, 2003Assignee: Renewable Lubricants, Inc.Inventor: William Garmier
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Publication number: 20030119682Abstract: An engine lubricant formulated as a complete crankcase motor oil or additive concentrate composed of a combination of chemical constituents including a base oil selected from a synthetic oil, a mineral oil or semi-synthetic base oil (hydrogenated oil) or combination thereof, an oil soluble molybdenum additive, a dispersant inhibitor containing zinc dithiophosphate, and viscosity index improvers and one or more seal swelling agents to lubricate the engine and recondition the seals of new and/or high mileage engines. Addition of a polyalphaolefin and/or one or more esters such as a diester or polyolester may also be utilized therein. The lubricant may be formulated as a complete engine oil crankcase lubricant, or concentrated into an additive for addition to conventional mineral oil based engine oil, synthetic engine oils, or blends thereof in an effective amount of up to 30 percent volume percent, typically from 20 to 25 percent by volume.Type: ApplicationFiled: July 29, 2002Publication date: June 26, 2003Applicant: ASHLAND INC.Inventors: Mandeep S. Saini, Thomas R. Smith, Michael A. Dituro, Richard J. Baumgart, Frances E. Lockwood
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Patent number: 6558569Abstract: Low viscosity functional fluid compositions particularly useful as brake fluids in anti-lock brake systems comprising a borate ester component, an alkoxy glycol component and an additive package which includes a corrosion inhibitor.Type: GrantFiled: November 10, 2000Date of Patent: May 6, 2003Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Tammy Tyler Shannon, Brian Terry Keen, James Leonard Hansen, Pearl Lesley Crossen
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Patent number: 6559107Abstract: Disclosed herein is a composition comprising: (A) a lubricant, and (B) at least one 5-alkyl-2-thione-1,3,4-thiadiazolidine compound of the formula: wherein R1 is a hydrocarbon or functionalized hydrocarbon of from 1 to 30 carbon atoms, R2 and R3 are independently selected from the group consisting of hydrocarbon or functionalized hydrocarbons of from 1 to 30 carbon atoms and hydrogen, and X is oxygen, sulfur or nitrogen.Type: GrantFiled: May 31, 2001Date of Patent: May 6, 2003Assignee: Crompton CorporationInventor: Theodore E. Nalesnik
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Publication number: 20020193258Abstract: Disclosed herein is a composition comprising:Type: ApplicationFiled: May 31, 2001Publication date: December 19, 2002Applicant: CROMPTON CORPORATIONInventor: Theodore E. Nalesnik
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Patent number: 6492306Abstract: A composition comprising a hydrocarbon polymer having attached thereto pendant groups Aa and Bb wherein each A is independently selected from members of the group consisting of: groups of the formula and each B is independently selected from members of the group of formula: wherein each X is independently O, S, or NRb, and each Z is independently a group of the formula Ra is an ethylene group, a propylene group, which groups optionally have hydrocarbyl or hydroxyhydrocarbyl substituents, or wherein J is H, SH, NH2, or OH, and tautomers thereof; a is 0 or a number ranging from 1 to about 50, and b is a number ranging from 1 to about 30; wherein each of the groups is defined in greater detail herein.Type: GrantFiled: March 23, 2001Date of Patent: December 10, 2002Assignee: The Lubrizol CorporationInventors: Matthew R. Sivik, Richard M. Lange, Daniel M. Vargo, Paul E. Adams
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Patent number: 6486101Abstract: A composition comprising a hydrocarbon polymer having {overscore (M)}n ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached thereto pendant groups Aa and Bb wherein each A is independently a member of the group of formula —Q—Kk wherein each Q is independently an aliphatic or aromatic hydrocarbon group, each K is independently a member selected from the group consisting of amide groups, nitrile groups, ester groups and carboxylic acid groups, and each k is independently a number ranging from 1 to about 3, and when k≧2, groups —K on adjacent carbon atoms, taken together, may constitute a succinimide group, and a is 0 or a number ranging from 1 to about 50; and each B is independently a member of the group of formula: wherein each X is independently O, S, or NRb, each Rb is independently H, NH2, hydrocarbyl, hydroxyhydrocarbyl, or aminohydrocarbType: GrantFiled: April 30, 2001Date of Patent: November 26, 2002Assignee: The Lubrizol CorporationInventors: Carmen V. Luciani, Richard M. Lange, Daniel M. Vargo
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Patent number: 6436881Abstract: Improved synthetic lubricants based on a 100% polyol ester composition suitable for use in high temperature static chain oil applications is provided. The lubricant includes a base stock based on a polyol ester that is the reaction product of a neopentyl polyol including a major proportion of dipentaerythritol and a mixture of C5 to C12 carboxylic acids. The preferred carboxylic acid mixture includes heptanoic (C7) acid, caprylic/capric (C8-10) acid and isononanoic (3, 5, 5-trimethylhyxanoic acid (iso-C9). The polyol base stock is mixed with an additive package that includes a viscosity index improver (tackifier), antioxidants, extreme pressure/antiwear agents and a corrosion inhibitor. The additive package may be added in up to about 20 percent by weight of the lubricant to provide a viscosity of the lubricant at 40° C. of at least about 275 cSt and at 100° C. of no less than about 25.0 cSt.Type: GrantFiled: June 1, 2001Date of Patent: August 20, 2002Assignee: Hatco CorporationInventors: Michael A. McHenry, Dale D. Carr, Jeffrey A. Hutter
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Publication number: 20020103089Abstract: A lubricant composition for a surface treatment of a steel filament comprises at least one specified compound as a lubricant component and a rubber-steel filament composite body is prepared by using a steel filament treated with the lubricant composition.Type: ApplicationFiled: June 29, 2001Publication date: August 1, 2002Applicant: BRIDGESTONE CORPORATIONInventors: Yasuo Fukushima, Hajime Kondo
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Patent number: 6410490Abstract: The instant invention relates to a lubricant composition stabilized against the deleterious effects of heat and oxygen. The composition comprises a hydrotreated or hydrodewaxed oil and an effective antioxidant stabilizing amount of a mixture of a phenolic antioxidant; an N,N-disubstituted aminomethyl-1,2,4-triazole; an aromatic amine antioxidant; an alkyl phenoxy alkanoic acid; and an N-acyl sarcosine derivative. Optionally, further additives are added to the subject lubricant compositions.Type: GrantFiled: May 18, 2000Date of Patent: June 25, 2002Assignee: Ciba Specialty Chemicals CorporationInventors: Jose L. Reyes-Gavilan, Frederick T. Lichtenberg, Adesola O. Oshode, Miles J. Hutchings, Peter Collen Hamblin, Michael Fletschinger, Peter Rohrbach
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Publication number: 20010044388Abstract: A composition comprising a hydrocarbon polymer having attached thereto pendant groups Aa and Bb wherein each A is independently selected from members of the group consisting of:Type: ApplicationFiled: March 23, 2001Publication date: November 22, 2001Applicant: The Lubrizol CorporationInventors: Matthew R. Sivik, Richard M. Lange, Daniel M. Vargo, Paul E. Adams
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Patent number: 6288013Abstract: A composition comprising a hydrocarbon polymer having {overscore (M)}n ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached thereto pendant groups Aa and Bb wherein each A is independently selected from members of the group consisting of: groups of the formula wherein R3 is H or hydrocarbyl, R4 is a divalent hydrocarbylene group, n=0 or 1, and each of R9 and R10 is independently H, alkoxyhydrocarbyl, hydroxyhydrocarbyl, hydrocarbyl, aminohydrocarbyl, N-alkoxyalkyl- or hydroxyalkyl-substituted aminohydrocarbyl, or a group of the formula &Parenopenst;Y&Parenclosest;cR11—M, wherein each Y is independently a group of the formula each R11 is a divalent hydrocarbyl group, R12 is as defined above for R9 and R10, and M is H, hydrocarbyl, amino, an amide group, an amide-containing group, an acylamino group, an imide group, or an imide-contaType: GrantFiled: December 3, 1997Date of Patent: September 11, 2001Assignee: The Lubrizol CorporationInventors: Matthew R. Sivik, Richard M. Lange, Paul E. Adams, Daniel M. Vargo
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Patent number: 6265358Abstract: A composition comprising a hydrocarbon polymer having {overscore (M)}n ranging from 20,000 to about 500,000, when the polymer is not a star polymer, and up to about GPC peak molecular weight of 4,000,000 when the polymer is a star polymer having attached thereto pendant groups Aa and Bb wherein each A is independently a member of the group of formula —Q—Kk wherein each Q is independently an aliphatic or aromatic hydrocarbon group, each K is independently a member selected from the group consisting of amide groups, nitrile groups, ester groups and carboxylic acid groups, and each k is independently a number ranging from 1 to about 3, and when k≧2, groups —K on adjacent carbon atoms, taken together, may constitute a succinimide group, and a is 0 or a number ranging from 1 to about 50; and each B is independently a member of the group of formula: wherein each X is independently O, S, or NRb, each Rb is independently H, NH2, hydrocarbyl, hydroxyhydrocarbyl, or aminohydrocarbType: GrantFiled: December 3, 1997Date of Patent: July 24, 2001Assignee: The Lubrizol CorporationInventors: Carmen V. Luciani, Richard M. Lange, Daniel M. Vargo
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Patent number: 6207623Abstract: A lubricating oil formulation containing a major amount of a base oil of lubricating viscosity and a minor amount of additives comprising a combination of phenyl naphthyl amine, dimercaptothiadiazole or derivative thereof, and triazole or benzotriazole or derivative thereof, exhibiting enhanced resistance to oxidation.Type: GrantFiled: January 14, 2000Date of Patent: March 27, 2001Assignee: ExxonMobil Research and Engineering CompanyInventors: Kevin David Butler, Alison Fiona Miller, Todd Timothy Nadasdi
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Patent number: 6194359Abstract: The operational fluid according to the invention is well suited for the lifelong lubrication and cooling of combustion engines. It comprises as the basic fluid a polyalkylene glycol produced from ethylene oxide and propylene oxide and an additive mixture comprising a) 0.012-1.0 percent by weight of a reaction product of diphenyl amine and 2,4,4-trimethyl pentene; b) 0.01-1.0 percent by weight of a pentaerythritol partially or completely esterified with an alkyl-substituted p-hydroxy propionic acid; c) 0.01-1.0 percent by weight of a mono- or di-(C4-C8) alkyl phosphoric acid (C10-C15) alkyl amide; d) 0.01-1.0 percent by weight of triphenyl thiophosphate; e) 0.01-0.1 percent by weight of a tolutriazol amino-methylated with a straight-chain or branched alkyl group with 2-10 carbon atoms, and/or f) 0.01-0.1 percent by weight of 1H-benzotriazol.Type: GrantFiled: May 14, 1999Date of Patent: February 27, 2001Assignees: Fragol Schmierstoff GmbH & Co. KG, DaimlerChrysler AGInventors: Ludwig Beyer, Herbert Gasthuber, Heiner Müske, Mathias Woydt
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Patent number: 6074992Abstract: Functional fluids comprising at least one compound selected from the group consisting of a glycol, a glycol ether, an ester, a hydrocarbon, and mixtures thereof and an effective amount of benzotriazole, a derivative thereof such as tolyltriazole or mixtures thereof and 1,2,4-triazole, a derivative thereof or mixtures thereof. The functional fluids exhibit increased resistance to corrosion and reduced sediment formation and are useful as brake fluids.Type: GrantFiled: February 2, 1999Date of Patent: June 13, 2000Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventor: Pierre Levesque
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Patent number: 6046144Abstract: Disclosed are synergistic antioxidant compositions composed of (1) amine salts of alkyl phosphates and (2) ethylenediamine, ammonium or metal salts of alkylarylsulfonates.The antioxidant compositions are useful for formulating zinc-free antiwear hydraulic fluids and gear lubricating oils in conjunction with thiophosphate type antiwear agents, corrosion and rust inhibitors.Type: GrantFiled: June 2, 1997Date of Patent: April 4, 2000Assignee: R.T. Vanderbilt Co., Inc.Inventors: Thomas J. Karol, Steven G. Donnelly, Brian W. Stunkel
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Patent number: 5756430Abstract: Mist oil lubricants are disclosed based on polycarboxylic acid esters as the base oil which have added 1 to 5% of polyisobutylene Mn 400-2500 as stray mist suppressants.Type: GrantFiled: May 13, 1997Date of Patent: May 26, 1998Assignee: Exxon Chemical Patents IncInventor: James Zielinski