With Organic -c(=x)x- Compound, Wherein The Xs May Be The Same Or Diverse Chalcogens Patents (Class 508/374)
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Patent number: 10479956Abstract: Provided is a non-Newtonian engine oil lubricant composition with improved fuel efficiency and engine wear protection. The lubricant composition includes a major amount of a base oil including a Group II base stock and an optional Group V base stock, from 0.1 to 9.0 wt. % of at least one viscosity modifier and from 0.1 to 1.2 wt. % of at least one friction modifier. The non-Newtonian engine oil lubricant composition has a kinematic viscosity at 100 deg. C. of less than or equal to 10 cSt and an HTHS (ASTM D4683) of less than or equal to 2.2 cP at 150° C. Also provided are methods of using the lubricant composition in internal combustion engines and methods of making the lubricant composition.Type: GrantFiled: September 13, 2017Date of Patent: November 19, 2019Assignee: ExxonMobil Research and Engineering CompanyInventors: Nancy Ortiz, Douglas E. Deckman, Kevin J. Kelly, David G. L. Holt, Haris Junuzovic, Camille A. Killian
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Publication number: 20130137617Abstract: A method for improving fuel efficiency, while maintaining or improving wear protection, in an engine lubricated with a lubricating oil by using as the lubricating oil a formulated oil having a HTHS viscosity of less than 2.6 cP at 150° C. In one form, the formulated oil has a composition that includes a lubricating oil base stock as a major component, and zinc dialkyl dithio phosphate, a mixture of (i) at least two alkali metal detergents, (ii) at least two alkaline earth metal detergents, or (iii) one or more alkali metal detergents and one or more alkaline earth metal detergents; and a viscosity index improver, as minor components. The lubricating oil has a HTHS viscosity of less than 2.6 cP at 150° C. The composition contains less than 2 weight percent of the viscosity index improver, based on the total weight of the formulated oil or lubricating engine oil.Type: ApplicationFiled: November 13, 2012Publication date: May 30, 2013Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventor: ExxonMobil Research and Engineering Company
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Patent number: 8318646Abstract: A lubricating oil composition comprising (A) an oil of lubricating viscosity in a major amount; and, (B) as an additive component in a minor amount, an oil-soluble zinc salt of a dithiophosphoric acid, the dithiophosphoric acid being the reaction product of phosphorus pentasulphide with a mixture of at least one first alcohol of the formula ROH where R is an aliphatic hydrocarbyl group having at least four carbon atoms or is an alkaryl group, and at least one second alcohol which is an ester of a polyhydric alcohol.Type: GrantFiled: September 3, 2009Date of Patent: November 27, 2012Assignee: Infineum International LimitedInventors: Mark D. Andrews, Benjamin R. Elvidge
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Patent number: 7285516Abstract: Lubricating oils containing an additive formulation including at least one sulphonate, saligenin and salixarate detergent provide improved wear performance and decreased sulphur and phosphorus emissions.Type: GrantFiled: November 25, 2002Date of Patent: October 23, 2007Assignee: The Lubrizol CorporationInventors: Virginia A. Carrick, William D. Abraham, Gordon D. Lamb, R. Ian Wilby, James P Roski
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Patent number: 7183241Abstract: A lubricating oil with very low phosphorus content, and having long life as evidenced by a reduction in viscosity increase, oxidation and nitration, comprises a major amount of a base oil of lubricating viscosity and a minor amount of a mixture of neutral and overbased metallic detergents, at least a zinc dialkyldithiocarbamate and a zinc dialkyldithiophosphate antiwear additive and at least a dihydrocarbylthiocarbamoyl.Type: GrantFiled: September 19, 2003Date of Patent: February 27, 2007Assignee: ExxonMobil Research and Engineering CompanyInventor: Stanley James Cartwright
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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: 6723685Abstract: A lubricating oil composition comprising a) an oil of lubricating viscosity having a viscosity index of at least 95; b) at least one calcium detergent; c) at least one oil soluble molybdenum compound; d) at least one organic ashless nitrogen-free friction modifier; and e) at least one metal dihydrocarbyldithiophosphate compound, the composition having a Noack volatility of about 15 wt. % or less, from 0.05 to 0.6 wt. % calcium from the calcium detergent, molybdenum in an amount of at least 10 ppm from the molybdenum compound, and phosphorus from the metal dihydrocarbyldithiophosphate compound in an amount up to about 0.1 wt. %.Type: GrantFiled: April 5, 2002Date of Patent: April 20, 2004Assignee: Infineum International Ltd.Inventors: Rolfe J. Hartley, Malcolm Waddoups
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Publication number: 20040014613Abstract: 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: ApplicationFiled: July 2, 2002Publication date: January 22, 2004Applicant: ASHLAND INC.Inventors: Michael A. Dituro, Richard J. Baumgart, Mandeep S. Saini, Christopher J. Nonevski
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Publication number: 20030199399Abstract: A lubricating oil composition comprising a) an oil of lubricating viscosity having a viscosity index of at least 95; b) at least one calcium detergent; c) at least one oil soluble molybdenum compound; d) at least one organic ashless nitrogen-free friction modifier; and e) at least one metal dihydrocarbyldithiophosphate compound, the composition having a Noack volatility of about 15 wt. % or less, from 0.05 to 0.6 wt. % calcium from the calcium detergent, molybdenum in an amount of at least 10 ppm from the molybdenum compound, and phosphorus from the metal dihydrocarbyldithiophosphate compound in an amount up to about 0.1 wt. %.Type: ApplicationFiled: April 5, 2002Publication date: October 23, 2003Inventors: Rolfe J. Hartley, Malcolm Waddoups
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Publication number: 20020142922Abstract: Lubricating oil compositions comprise a lubricating base oil and (A) at least one compound selected from the group consisting of compounds represented by formula (1) below and compounds represented by formula (2) below: 1Type: ApplicationFiled: January 23, 2002Publication date: October 3, 2002Applicant: Nippon Mitsubishi Oil CorporationInventors: Kazuhiro Yagishita, Jinichi Igarashi, Takeo Koizumi
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Publication number: 20020107152Abstract: A low-phosphorus lubricant comprises:Type: ApplicationFiled: December 5, 2001Publication date: August 8, 2002Inventor: Robert Robson
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Patent number: 6413916Abstract: 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: June 30, 2000Date of Patent: July 2, 2002Assignee: Ashland Inc.Inventors: Richard J. Baumgart, Michael A. Dituro, Christopher J. Nonevski, Mandeep S. Saini
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Patent number: 6265360Abstract: The present invention relates to a wax-containing liquid hydrocarbon fuel composition comprising (a) at least one wax-containing liquid hydrocarbon; and b) a transesterified acrylate polymer obtained by transesterifying a starting acrylate polymer with at least one higher alcohol, the transesterified acrylate polymer being present in an amount sufficient to modify the cold flow properties of the wax containing liquid hydrocarbon fuel.Type: GrantFiled: November 12, 1999Date of Patent: July 24, 2001Assignee: The Lubrizol CorporationInventors: Marvin B. DeTar, Richard M. Lange, John S. Manka
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Patent number: 5885942Abstract: The multifunctional lubricant additive compositions of the invention preferably contain a methylene bis(dibutyldithiocarbamate) as an antiwear and extreme pressure additive, a 2,5-dimercapto-1,3,4-thiadiazole derivative as an antioxidant and antiwear additive, a tolutriazole compound as an antioxidant and corrosion inhibitor, a glycerol monooleate as a friction modifier, a calcium sulfonate as a detergent and extreme pressure additive, a zinc dialkyl dithiophosphate as an antiwear and antioxidant additive, a polymethylacrylate as a dispersant, a polyol ester as a carrier and friction modifier, a red dye for leak detection, and optionally, solvent neutral oil and a pour point depressant.Type: GrantFiled: September 23, 1997Date of Patent: March 23, 1999Assignee: NCH CorporationInventors: Ruiming Zhang, Robert M. Hooks
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Patent number: 5672572Abstract: A lubricating oil composition having a total base number of 2 to 13 and comprising (A) 0.04 to 0.12% by weight (in terms of phosphorus), based on the whole composition, of a zinc dialkyldithiophosphate, (B) 1.0 to 3.0% by weight of a calcium sulfonate (TBN 200 to 300) and 0.3 to 2.5% by weight of a calcium salicylate (TBN 10 to 100) and (C) 50 to 2,000 ppm (in terms of molybdenum) of sulfurized oxymolybdenum dithiocarbamate containing a hydrocarbyl group having 8 to 23 carbon atoms.Type: GrantFiled: March 19, 1996Date of Patent: September 30, 1997Inventors: Katsuya Arai, Satoshi Asano, Sadao Wada
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Patent number: 5595962Abstract: A lubricant composition is disclosed which provides good antiwear characteristics in air at .gtoreq.100.degree. C. and exhibits a low friction coefficient, said composition comprising:(A) a fluorosilicone oil;(B) at least one compound selected from the group consisting of ferrocene, 1,1'-bis(diphenylphosphino) ferrocene and an N,N-disalicylidene-diaminoalkane in which the alkane portion has 3-6 carbon atoms; and(C) at least one phosphorous compound selected from the group consisting of triphenylphosphine, tri-o-tolylphosphine, 1,5-bis-diphenylphosphinopentane and a dialkyldithiophosphate salt in which the alkyl groups have 1-14 carbon atoms, wherein said components (B) and said component (C) is each present at a level of 0.01 to 0.3 percent based on the total weight of said composition.Type: GrantFiled: January 16, 1996Date of Patent: January 21, 1997Assignee: Dow Corning CorporationInventors: Gerardo Caporiccio, Hugh A. Spikes