Patents by Inventor Mark T. Devlin
Mark T. Devlin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9701921Abstract: A lubricating oil composition, method for reducing a boundary friction coefficient of a lubricant composition, and method for improving fuel economy. The lubricating oil composition includes a base oil; a) a metal-containing phosphorus antiwear compound in an amount sufficient to provide from about 100 to about 1000 ppm by weight phosphorus based on a total weight of the lubricant composition, and b) a heat bodied vegetable oil, different from the base oil. The base oil is present in the lubricant composition in an amount from about 50 wt. % to about 99 wt. % based on the total weight of the lubricant composition.Type: GrantFiled: April 8, 2016Date of Patent: July 11, 2017Assignee: AFTON CHEMICAL CORPORATIONInventors: Carl W. Bennett, Mark T. Devlin
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Patent number: 9677026Abstract: A lubricant composition, method for reducing a boundary friction coefficient of a lubricant composition, and method for improving fuel economy. The lubricant composition includes a base oil, a) a metal-containing phosphorus antiwear compound in an amount sufficient to provide from about 100 to about 1000 ppm by weight phosphorus based on a total weight of the lubricant composition, and b) an oxygen-polymerized vegetable oil, different from the base oil. The base oil is present in the lubricant composition in an amount from about 50 wt. % to about 99 wt. % based on the total weight of the lubricant composition.Type: GrantFiled: April 8, 2016Date of Patent: June 13, 2017Assignee: AFTON CHEMICAL CORPORATIONInventors: Carl W. Bennett, Mark T. Devlin
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Patent number: 9657252Abstract: A lubricant additive, method for reducing a boundary friction coefficient of a lubricant composition, and method for improving fuel economy. The additive includes a synergistic mixture of a) a metal-containing phosphorus antiwear compound derived from at least one secondary alcohol in an amount sufficient to provide the lubricant composition with from about 200 to about 1000 ppm by weight phosphorus, and b) a polyol derived from a diol and a mono-ol having a diol to mono-ol molar ratio ranging from about 0.3:1 to about 2.0:1, wherein the diol contains from 6 to 36 carbon atoms and the mono-ol contains from 12 to 16 carbon atoms. The polyol is present in the lubricant additive in an amount sufficient to provide a synergistic reduction in the boundary friction coefficient of the lubricant composition in combination with component (a).Type: GrantFiled: April 17, 2014Date of Patent: May 23, 2017Assignee: Afton Chemical CorporationInventors: Carl W. Bennett, Mark T. Devlin
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Publication number: 20150299601Abstract: A lubricant additive, method for reducing a boundary friction coefficient of a lubricant composition, and method for improving fuel economy. The additive includes a synergistic mixture of a) a metal-containing phosphorus antiwear compound derived from at least one secondary alcohol in an amount sufficient to provide the lubricant composition with from about 200 to about 1000 ppm by weight phosphorus, and b) a polyol derived from a diol and a mono-ol having a diol to mono-ol molar ratio ranging from about 0.3:1 to about 2.0:1, wherein the diol contains from 6 to 36 carbon atoms and the mono-ol contains from 12 to 16 carbon atoms. The polyol is present in the lubricant additive in an amount sufficient to provide a synergistic reduction in the boundary friction coefficient of the lubricant composition in combination with component (a).Type: ApplicationFiled: April 17, 2014Publication date: October 22, 2015Applicant: Afton Chemical CorporationInventors: Carl W. BENNETT, Mark T. DEVLIN
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Publication number: 20150141306Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.Type: ApplicationFiled: January 27, 2015Publication date: May 21, 2015Inventors: Mark T. Devlin, Helen T. RYAN, Katie A. HUDSON
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Patent number: 8962539Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.Type: GrantFiled: October 28, 2013Date of Patent: February 24, 2015Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, Helen T. Ryan, Katie A. Hudson
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Patent number: 8741821Abstract: A method for reducing a friction coefficient adjacent a lubricated surface, and a lubricant composition for reducing a friction coefficient between lubricated surfaces. The method includes providing an amount of metal-containing dispersed in a fully formulated lubricant composition containing a base oil of lubricating viscosity, wherein the nanoparticles have an average particles size ranging from about 1 to about 10 nanometers. The lubricant composition containing the metal-containing nanoparticles is applied to a surface to be lubricated.Type: GrantFiled: January 3, 2007Date of Patent: June 3, 2014Assignee: Afton Chemical CorporationInventors: Tze-Chi Jao, Mark T. Devlin, Allen A. Aradi
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Patent number: 8709985Abstract: There is disclosed a lubricant composition comprising a base oil comprising a reduced total amount of cyclobenzene as compared to another base oil. Methods of using the lubricant composition for preventing and/or reducing the deposit formation in an engine are also disclosed.Type: GrantFiled: November 17, 2006Date of Patent: April 29, 2014Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, John T. Loper, Roger M. Sheets, Todd M. Dvorak
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Publication number: 20140051616Abstract: A slideway lubricating oil composition, additive concentrate, method of lubricating sliding parts. The lubricating oil includes a base oil; a metal-free friction modifier; and a metal-free, sulfur-free, phosphorus containing anti-wear/extreme pressure agent. The lubricating oil provides a lower coefficient of friction for non-metal sliding surfaces than for metal sliding surfaces.Type: ApplicationFiled: October 28, 2013Publication date: February 20, 2014Applicant: Afton Chemical CorporationInventors: Mark T. DEVLIN, Helen T. RYAN, Katie A. HUDSON
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Patent number: 8400030Abstract: A dispersant additive composition, a lubricant composition containing the dispersant additive, a transmission containing the dispersant additive, and a method of providing a versatile lubricating fluid. The dispersant includes a reaction product of a hydrocarbyl substituted carboxylic acid or anhydride and an amine. The reaction product has a nitrogen content up to 10,000 ppm by weight, and a boron plus phosphorus to nitrogen ((B+P)/N) weight ratio of from 0:1 to about 0.8:1. The dispersant additive composition is effective to provide an electrical conductivity to a lubricant composition containing the dispersant additive composition and a metal detergent of less than about 1700 pS/m.Type: GrantFiled: June 11, 2012Date of Patent: March 19, 2013Assignee: Afton Chemical CorporationInventors: Hong-Zhi Tang, Mark T. Devlin, Naresh Mathur, Lee D. Saathoff, Timothy J. Henly
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Patent number: 8278254Abstract: Lubricated surfaces, lubricant compositions for lubricating a surface, and methods for increasing antiwear properties in lubricants. The lubricated surface is provided by a lubricant composition including a base oil of lubricating viscosity, at least one metal salt of phosphorothioic acid, and an amount of at least one hydrocarbon soluble titanium compound effective to provide an increase in antiwear properties of the lubricant composition. A ratio of titanium metal to phosphorus in the antiwear agent ranges from about 0.3:1 to about 1.5:1.Type: GrantFiled: September 10, 2007Date of Patent: October 2, 2012Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, Kenneth J. Garelick, Naresh C. Mathur, Jeffrey M. Guevremont
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Patent number: 8211840Abstract: Lubricated surfaces and lubricant compositions for lubricating a surface. The lubricated surface is provided by a lubricant composition including a base oil of lubricating viscosity, at least one metal salt of phosphorothioic acid, and an ashless, sulfur-free organophosphorus compound providing a metal to phosphorus weight ratio ranging from about 0.25:1 to about 1.0:1 by weight. The lubricant composition is substantially devoid of molybdenum.Type: GrantFiled: December 9, 2008Date of Patent: July 3, 2012Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, John T. Loper, Roger M. Sheets, Gregory H. Guinther, Jeffrey M. Guevremont
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Patent number: 8202829Abstract: There is provided a lubricating composition having a major amount of a lubricating oil having less than about 40% by weight alkylcycloparaffins and a minor amount of at least one diarylamine, and processes for making and using thereof.Type: GrantFiled: November 4, 2004Date of Patent: June 19, 2012Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, Randall Eugene Baren, Tze-Chi Jao, Samuel H. Tersigni
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Patent number: 8003584Abstract: There is disclosed a lubricating composition comprising a friction modifier and a base oil comprising less than about 3% by weight of tetracycloparaffins. Methods of making and using the composition are also disclosed.Type: GrantFiled: July 14, 2006Date of Patent: August 23, 2011Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, Tze-chi Jao, John T. Loper, Helen T. Ryan, Carl K. Esche
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Patent number: 7906465Abstract: A lubricant composition comprising a detergent and a base oil comprising less than about 3% by weight of tetracycloparaffins is disclosed. Methods of making and using the composition are also disclosed.Type: GrantFiled: July 14, 2006Date of Patent: March 15, 2011Assignee: Afton Chemical Corp.Inventors: Mark T. Devlin, Tze-chi Jao
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Patent number: 7902133Abstract: A lubricant composition comprising a dispersant and a base oil comprising less than about 3% by weight of tetracycloparaffins is disclosed. Methods of making and using the lubricant composition are also disclosed.Type: GrantFiled: July 14, 2006Date of Patent: March 8, 2011Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, Tze-chi Jao
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Patent number: 7897548Abstract: A lubricated surface, a method for reducing wear between moving parts, and lubricants, and lubricant additive concentrates containing a wear reducing agent. The lubricated surface contains a base oil of lubricating viscosity, a hydrocarbon soluble titanium compound, a metal-free friction modifier and an amount of at least one hydrocarbon soluble magnesium compound effective to provide a reduction in surface wear greater than a reduction surface wear for a lubricant composition devoid of the titanium compound, metal-free friction modifier, and magnesium compound. The lubricant composition contains no more than about 800 ppm phosphorus and is devoid of calcium detergents and organic molybdenum compound.Type: GrantFiled: March 15, 2007Date of Patent: March 1, 2011Assignee: Afton Chemical CorporationInventors: William Y. Lam, Mark T. Devlin
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Patent number: 7879775Abstract: A lubricant composition comprising a phosphorus-containing compound and a base oil comprising less than about 3% by weight of tetracycloparaffins is disclosed. Methods of making and using the lubricant composition are also disclosed.Type: GrantFiled: July 14, 2006Date of Patent: February 1, 2011Assignee: Afton Chemical CorporationInventors: Mark T. Devlin, Tze-chi Jao, John T. Loper, Roger M. Sheets, Gregory H. Guinther
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Patent number: 7867958Abstract: A method for reducing friction coefficients and wear between lubricated surfaces. The method includes providing an amount of an oil-soluble or oil-dispersible component selected from the group consisting of a photo-crosslinkable poly(2-cinnamoyloxyalkyl acrylate) core and a diblock acrylate copolymer corona in a fully formulated lubricant composition containing a base oil of lubricating viscosity. The lubricant composition containing the component is applied to a surface to be lubricated.Type: GrantFiled: December 11, 2006Date of Patent: January 11, 2011Assignee: Afton Chemical CorporationInventors: Tze-Chi Jao, Mark T. Devlin
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Publication number: 20100292113Abstract: The embodiments described herein relate to particular formulations and methods that may provide improved fuel economy characteristics for an engine lubricant. The compositions and methods include a (a) a base oil; (b) a zinc dialkyldithiophosphate compound; and (c) a hydrocarbon soluble metal compound. The hydrocarbon soluble metal compound is devoid of phosphorus and sulfur atoms and the metal is selected from the group consisting essentially of selected from the group consisting essentially of cobalt, nickel, zinc, zirconium, manganese, vanadium, scandium, yttrium, tungsten, gold, platinum, and iron. A weight ratio of total metal in the lubricant composition from the zinc dialkyl-dithiophosphate compound and the hydrocarbon soluble metal compound to phosphorus in the lubricant composition ranges from greater than about 1.5 to 1 to about 15 to 1.Type: ApplicationFiled: March 16, 2010Publication date: November 18, 2010Applicant: AFTON CHEMICAL CORPORATIONInventors: Jeffrey M. GUEVREMONT, Mark T. DEVLIN, Naresh C. MATHUR, Jason A. LAGONA