Patents by Inventor Ian A. W. Bell
Ian A. W. Bell 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: 8470751Abstract: An internal combustion engine crankcase lubricating oil composition has a phosphorus content of not greater than 0.08 mass % and a metal detergent additive system comprising a calcium salicylate and a magnesium salicylate and having a mass ratio of magnesium atoms to calcium atoms of greater than one.Type: GrantFiled: May 18, 2006Date of Patent: June 25, 2013Assignee: Infineum International LimitedInventors: Ian A. W. Bell, Robert W. Shaw
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Patent number: 7838470Abstract: A multigrade crankcase lubricating oil composition comprising a mineral oil-based basestock of lubricating viscosity in a major amount and a non-hydrogenated olefin polymer in a minor amount. The lubricating oil composition also comprises a dispersant, a metal detergent, one or more other additives, and a viscosity modifier.Type: GrantFiled: July 30, 2004Date of Patent: November 23, 2010Assignee: Infineum International LimitedInventors: Robert W. Shaw, Ian A. W. Bell, Robert Robson
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Patent number: 7786060Abstract: Lubricating oil additive concentrates containing oil of lubricating viscosity, at least one basic metal complex, an oil-soluble hydrocarbyl phenol aldehyde condensate, and an organic friction modifier containing at least one hydroxyl and/or amino group.Type: GrantFiled: November 4, 2005Date of Patent: August 31, 2010Assignee: Infineum International LimitedInventors: Raymond Fellows, Ian A. W. Bell
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Patent number: 6953771Abstract: A lubricating oil composition comprising, or made by mixing, a major amount of an oil of lubricating viscosity and a minor amount of at least one compound comprising a polynuclear molybdenum core having bonded thereto one or more monoanionic ligands capable of rendering the compound oil-soluble or oil-dispersible, and further comprising at least one ionic species that is not required to confer oil-solubility or oil-dispersibility to the compound, wherein the combination of said one or more monoanionic ligands and said at least one ionic species confers electrical neutrality to the compound and wherein the ratio of the number of molybdenum atoms in the core to the number of said ligands is greater than 1:1.Type: GrantFiled: January 27, 2003Date of Patent: October 11, 2005Assignee: Infineon International LimitedInventors: Jonathan M. McConnachie, Ian A. W. Bell, Alisdair J. Brown, Edward I. Stiefel, Ernestine W. Hill
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Patent number: 6743757Abstract: A dispersant that is a reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, wherein the reaction product has from greater than about 1.3 to less than about 1.7 mono- or di-carboxylic acid producing moieties per polyalkenyl moiety, and the polyalkenyl moiety has a number average molecular weight of at least about 1800, and a molecular weight distribution (Mw/Mn) of from about 1.5 to about 2.0.Type: GrantFiled: December 6, 2001Date of Patent: June 1, 2004Assignee: Infineum International Ltd.Inventors: Ian A. W. Bell, Jacob Emert, Raymond Fellows, Antonio Gutierrez, Robert Robson
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Patent number: 6734148Abstract: A boron-containing dispersant composition containing one or more dispersants that are the reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, in which at least one of the dispersants has a polyalkenyl moiety with a number average molecular weight of at least about 1800, and from greater than about 1.3 to about 1.7 mono- or di-carboxylic acid producing moieties per polyalkenyl moiety; and in which a ratio of wt. % of boron to wt. % of nitrogen (B/N) for the dispersant composition is from about 0.05 to about 0.24.Type: GrantFiled: December 6, 2001Date of Patent: May 11, 2004Assignee: Infineum International Ltd.Inventors: Ian A. W. Bell, Jacob Emert, Raymond Fellows, Antonio Gutierrez, Robert Robson
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Publication number: 20030224951Abstract: A lubricating oil composition comprising, or made by mixing, a major amount of an oil of lubricating viscosity and a minor amount of at least one compound comprising a polynuclear molybdenum core having bonded thereto one or more monoanionic ligands capable of rendering the compound oil-soluble or oil-dispersible, and further comprising at least one ionic species that is not required to confer oil-solubility or oil-dispersibility to the compound, wherein the combination of said one or more monoanionic ligands and said at least one ionic species confers electrical neutrality to the compound and wherein the ratio of the number of molybdenum atoms in the core to the number of said ligands is greater than 1:1Type: ApplicationFiled: January 27, 2003Publication date: December 4, 2003Inventors: Jonathan M. McConnachie, Ian A. W. Bell, Alisdair J. Brown, Edward I. Stiefel, Ernestine W. Hill
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Patent number: 6649576Abstract: A crankcase lubricant containing a Group III basestock in a major amount and a Group V basestock in the form of an ester in a minor amount. The lubricant also comprises a dispersant, a metal detergent, one or more other additives, and a viscosity modifier.Type: GrantFiled: June 5, 2002Date of Patent: November 18, 2003Assignee: Infineum International Inc.Inventors: Ian A. W. Bell, Robert Robson
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Publication number: 20030148898Abstract: A dispersant that is a reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, wherein the reaction product has from greater than about 1.3 to less than about 1.7 mono- or di-carboxylic acid producing moieties per polyalkenyl moiety, and the polyalkenyl moiety has a number average molecular weight of at least about 1800, and a molecular weight distribution (Mw/Mn) of from about 1.5 to about 2.0.Type: ApplicationFiled: December 6, 2001Publication date: August 7, 2003Inventors: Ian A. W. Bell, Jacob Emert, Raymond Fellows, Antonio Gutierrez, Robert Robson
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Publication number: 20030148897Abstract: A boron-containing dispersant composition containing one or more dispersants that are the reaction product of a polyalkenyl-substituted mono- or dicarboxylic acid, anhydride or ester; and a polyamine, in which at least one of the dispersants has a polyalkenyl moiety with a number average molecular weight of at least about 1800, and from greater than about 1.3 to about 1.7 mono- or di-carboxylic acid producing moieties per polyalkenyl moiety; and in which a ratio of wt. % of boron to wt. % of nitrogen (B/N) for the dispersant composition is from about 0.05 to about 0.24.Type: ApplicationFiled: December 6, 2001Publication date: August 7, 2003Inventors: Ian A. W. Bell, Jacob Emert, Raymond Fellows, Antonio Gutierrez, Robert Robson
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Patent number: 6569820Abstract: Oil-soluble or oil-dispersible trinuclear molybdenum-sulfur compounds are made by reacting, in a polar medium, a reactant molybdenum compound containing an anion that possesses a trinuclear molybdenum core, and a dithiocarbamate that is produced in situ.Type: GrantFiled: March 23, 2001Date of Patent: May 27, 2003Assignee: Infineum International Ltd.Inventors: Jonathan M. McConnachie, Ian A. W. Bell, Edward I. Stiefel, Stanley J. Brois, Ernestine W. Hill, Alisdair J. Brown
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Patent number: 6541429Abstract: A lubricating oil composition is provided comprising a major amount of an oil of lubricating viscosity and a minor amount of, as an additive, at least one compound comprising a polynuclear molybdenum core and bonded thereto one or more anionic ligands capable of rendering the compound oil-soluble or oil-dispersible, wherein the ratio of the number of molybdenum atoms in the core to the number of said ligands is 1:1, such as 3:2 or greater.Type: GrantFiled: March 23, 2001Date of Patent: April 1, 2003Assignee: Infineum International Ltd.Inventors: Jonathan M. McConnachie, Ian A.W. Bell, Alisdair J. Brown, Edward I. Stiefel, Ernestine W. Hill
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Publication number: 20030022798Abstract: A crankcase lubricant containing a Group m basestock in a major amount and a Group V basestock in the form of an ester in a minor amount. The lubricant also comprises a dispersant, a metal detergent, one or more other additives, and a viscosity modifier.Type: ApplicationFiled: June 5, 2002Publication date: January 30, 2003Inventors: Ian A. W. Bell, Robert Robson
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Publication number: 20010056043Abstract: A lubricating oil composition is provided comprising a major amount of an oil of lubricating viscosity and a minor amount of, as an additive, at least one compound comprising a polynuclear molybdenum core and bonded thereto one or more anionic ligands capable of rendering the compound oil-soluble or oil-dispersible, wherein the ratio of the number of molybdenum atoms in the core to the number of said ligands is 1:1, such as 3:2 or greater.Type: ApplicationFiled: March 23, 2001Publication date: December 27, 2001Inventors: Jonathan M. McConnachie, Ian A. W. Bell, Alisdair J. Brown, Edward I. Stiefel, Ernestine W. Hill
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Publication number: 20010053751Abstract: Oil-soluble or oil-dispersible trinuclear molybdenum-sulfur compounds are made by reacting, in a polar medium, a reactant molybdenum compound containing an anion that possesses a trinuclear molybdenum core, and a dithiocarbamate that is produced in situ.Type: ApplicationFiled: March 23, 2001Publication date: December 20, 2001Inventors: Jonathan M. McConnachie, Ian A. W. Bell, Edward I. Stiefel, Stanley J. Brois, Ernestine W. Hill, Alisdair J. Brown
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Patent number: 6300291Abstract: A lubricating oil composition exhibiting improved low temperature anti-wear performance and improved fuel economy and fuel economy retention properties, which comprises: (a) an oil of lubricating viscosity; (b) at least one calcium detergent; (c) at least one oil soluble molybdenum compound; (d) at least one nitrogen containing friction modifier; and (e) at least one zinc dihydrocarbyldithiophosphate compound, wherein the composition has a NOACK volatility of about 15.5 wt. % or less and contains from about 0.058 to 0.58 wt. % calcium from the calcium detergent, molybdenum in an amount up to about 350 ppm from a molybdenum compound, and phosphorus in an amount up to about 0.1 wt. % from a zinc dihydrocarbyldithiophosphate compound.Type: GrantFiled: May 19, 1999Date of Patent: October 9, 2001Assignee: Infineum USA L.P.Inventors: Rolfe J. Hartley, Malcolm Waddoups, Ian A. W. Bell, Thomas R. Bidwell, Gordon R. Farnsworth, Taisuke Miyoshi
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Patent number: 6211123Abstract: A lubricating oil composition is provided comprising a major amount of an oil of lubricating viscosity and a minor amount of, as an additive, at least one compound comprising a trinuclear tungsten core and bonded thereto a ligand or ligands capable of rendering the compound oil-soluble or oil-dispersible.Type: GrantFiled: June 17, 1999Date of Patent: April 3, 2001Assignee: Infineum USA L.P.Inventors: Alisdair J. Brown, Ian A. W. Bell, John A. Cleverley, Jose M. G. Gomes, Edward I. Stiefel, Jonathan M. McConnachie
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Patent number: 6153564Abstract: A lubricating oil composition is provided comprising a major amount of an oil of lubricating viscosity and a minor amount of, as an additive, at least one compound comprising a metal core and bonded thereto one or more ligands capable of rendering the compound oil-soluble or oil-dispersible, at least one ligand having at least two hydrocarbyl groups of which one has 1 to 7 carbon atoms and the other or another has more carbon atoms.Type: GrantFiled: June 17, 1999Date of Patent: November 28, 2000Assignee: Infineum USA L.P.Inventors: Velautha-Cumaran Arunasalam, Ian A. W. Bell, John A. Cleverley, Ronald P. Wangner