Patents by Inventor James L. Sumiejski
James L. Sumiejski 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: 9567547Abstract: A lubricant composition comprising (a) an oil of lubricating viscosity; (b) at least two nitrogen-containing materials, comprising (i) at least one amide of the formula R3C(O)NR1R2 and (ii) at least one tertiary amine being represented by the formula R4R5NR6 where R4 and R5 are alkyl groups of at least 6 carbon atoms and R6 is a polyhydroxyl-containing alkyl group or a polyhydroxyl-containing alkoxyalkyl group; (c) a functionalized dispersant component, and (d) at least one diallyl phosphite, provides good lubricant performance for a continuously variable transmission.Type: GrantFiled: January 3, 2012Date of Patent: February 14, 2017Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, William D. Abraham, Richard J. Vickerman
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Publication number: 20140031268Abstract: A lubricant composition comprising (a) an oil of lubricating viscosity; (b) at least two nitrogen-containing materials, comprising (i) at least one amide of the formula R3C(O)NR1R2 and (ii) at least one tertiary amine being represented by the formula R4R5NR6 where R4 and R5 are alkyl groups of at least 6 carbon atoms and R6 is a polyhydroxyl-containing alkyl group or a polyhydroxyl-containing alkoxyalkyl group; (c) a functionalized dispersant component, and (d) at least one diallyl phosphite, provides good lubricant performance for a continuously variable transmission.Type: ApplicationFiled: January 3, 2012Publication date: January 30, 2014Applicant: The Lubrizol CorporationInventors: James L. Sumiejski, William D. Abraham, Richard J. Vickerman
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Patent number: 8598099Abstract: The present invention relates to a lubricating composition containing a corrosion inhibitor compound and a mixture of two or more dispersants, wherein 0 mole % to less than 50 mole % of the second dispersant molecules contain a carbocyclic ring. The invention further provides a method for lubricating a mechanical device using the lubricating composition.Type: GrantFiled: February 6, 2012Date of Patent: December 3, 2013Assignee: The Lubrizol CorporationInventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
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Patent number: 8450255Abstract: The disclosed invention relates to a functional fluid comprising: at least one oil of lubricating viscosity; at least one detergent, the detergent contributing an amount of metal to the functional fluid equal to a concentration in the range from about 0.015 to about 1% by weight of the functional fluid, the detergent contributing an amount of basicity to the functional fluid equal to a total base number in the range from about 0.3 to about 2; and at least one friction modifier, the friction modifier comprising at least two hydrocarbyl groups attached to a polar group or atom (eg., a nitrogen atom).Type: GrantFiled: December 13, 2007Date of Patent: May 28, 2013Assignee: The Lubrizol CorporationInventors: Masahiko Ikeda, Susie Hurley, William D. Abraham, James L. Sumiejski, Craig D. Tipton
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Publication number: 20120178661Abstract: The present invention relates to an additive concentrate comprising a friction modifier, a corrosion inhibitor, and an oil of lubricating viscosity. The invention further provides a method for lubricating a transmission using the additive concentrate.Type: ApplicationFiled: March 27, 2012Publication date: July 12, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: Susie Hurley, James L. Sumiejski
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Publication number: 20120135898Abstract: The present invention relates to a lubricating composition containing a corrosion inhibitor compound and a mixture of two or more dispersants, wherein 0 mole % to less than 50 mole % of the second dispersant molecules contain a carbocyclic ring. The invention further provides a method for lubricating a mechanical device using the lubricating composition.Type: ApplicationFiled: February 6, 2012Publication date: May 31, 2012Applicant: THE LUBRIZOL CORPORATIONInventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
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Patent number: 8183187Abstract: The present invention provides a lubricating composition comprising (a) an oil of lubricating viscosity; (b) a friction modifier; (c) a corrosion inhibitor; (d) an antiwear agent; and (e) a product prepared by heating together: (i) a dispersant; (ii) 2,5-dimercapto-1,3,4-thiadiazole or a hydrocarbyl-substituted 2,5-dimercapto-1,3,4-thiadiazole, or oligomers thereof; (iii) a borating agent;and (iv) optionally a dicarboxylic acid of an aromatic compound selected from the group consisting of 1,3 diacids and 1,4 diacids, or (v) optionally a phosphorus acid compound, said heating being sufficient to provide a product of (i), (ii), (iii) and optionally (iv), which is soluble in an oil of lubricating viscosity. The invention further provides a use for the lubricating composition in a transmission.Type: GrantFiled: February 8, 2006Date of Patent: May 22, 2012Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, Craig D. Tipton
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Publication number: 20100144565Abstract: The disclosed invention relates to a functional fluid comprising: at least one oil of lubricating viscosity; at least one detergent, the detergent contributing an amount of metal to the functional fluid equal to a concentration in the range from about 0.015 to about 1% by weight of the functional fluid, the detergent contributing an amount of basicity to the functional fluid equal to a total base number in the range from about 0.3 to about 2; and at least one friction modifier, the friction modifier comprising at least two hydrocarbyl groups attached to a polar group or atom (eg., a nitrogen atom).Type: ApplicationFiled: December 13, 2007Publication date: June 10, 2010Inventors: Masahiko Ikeda, Susie Hurley, William D. Abraham, James L. Sumiejski, Craig D. Tipton
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Publication number: 20100130390Abstract: A composition including 1 to 20 weight percent of a compound having a traction coefficient of at least about 0.045, at least 50 weight percent of an oil of lubricating viscosity, a phosphorus compound and 2,5-dimercapto-1,3,4-thiadiazole or a derivative thereof, and having a kinematic viscosity at 100° C. of up to about 12 mm2/sec, is suitable for lubricating a transmission.Type: ApplicationFiled: March 12, 2008Publication date: May 27, 2010Applicant: The Lubrizol CorporationInventors: Craig D. Tipton, James L. Sumiejski, Shreyasi Lahiri
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Publication number: 20100101519Abstract: This invention relates to a method of lubricating an internal combustion engine comprising at least one of a crankcase, a gear and a wet-clutch, said method comprising supplying to said crankcase, gear, and wet-clutch a lubricating composition containing: (a) an oil of lubricating viscosity; (b) a boron containing compound; and (c) a friction modifier.Type: ApplicationFiled: January 6, 2010Publication date: April 29, 2010Applicant: The Lubrizol CorporationInventors: Virginia A. Carrick, Jayram D. Patel, Roy Sambuchino, Mark F. Wilkes, James L. Sumiejski
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Publication number: 20100099593Abstract: The present invention relates to an additive concentrate comprising a friction modifier, a corrosion inhibitor, and an oil of lubricating viscosity. The invention further provides a method for lubricating a transmission using the additive concentrate.Type: ApplicationFiled: March 11, 2008Publication date: April 22, 2010Inventors: Susie Hurley, James L. Sumiejski
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Publication number: 20090305919Abstract: The present invention relates to a lubricating composition containing a corrosion inhibitor compound and a mixture of two or more dispersants, wherein 0 mole % to less than 50 mole % of the second dispersant molecules contain a carbocyclic ring. The invention further provides a method for lubricating a mechanical device using the lubricating composition.Type: ApplicationFiled: July 25, 2007Publication date: December 10, 2009Applicant: The Lubrizol CorporationInventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
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Publication number: 20080248980Abstract: The present invention provides a lubricating composition comprising (a) an oil of lubricating viscosity; (b) a friction modifier; (c) a corrosion inhibitor; (d) an antiwear agent; and (e) a product prepared by heating together: (i) a dispersant; (ii) 2,5-dimercapto-1,3,4-thiadiazole or a hydrocarbyl-substituted 2,5-dimercapto-1,3,4-thiadiazole, or oligomers thereof; (iii) a borating agent;and (iv) optionally a dicarboxylic acid of an aromatic compound selected from the group consisting of 1,3 diacids and 1,4 diacids, or (v) optionally a phosphorus acid compound, said heating being sufficient to provide a product of (i), (ii), (iii) and optionally (iv), which is soluble in an oil of lubricating viscosity. The invention further provides a use for the lubricating composition in a transmission.Type: ApplicationFiled: February 8, 2006Publication date: October 9, 2008Applicant: The Lubrizol CorporationInventors: James L. Sumiejski, Craig D. Tipton
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Patent number: 6730640Abstract: Continuously variable transmissions are lubricated by supplying to the transmission a composition of an oil of lubricating viscosity and an oil-soluble zinc salt containing at least one hydrocarbyl group of at least 4 carbon atoms. The amount of the zinc salt is sufficient to provide an increased steel-on-steel dynamic coefficient of friction for the composition, being at least 0.125. The composition is substantially free from thiophosphate salts and exhibits a copper corrosion rating of 1B or better (ASTM-130).Type: GrantFiled: June 10, 2002Date of Patent: May 4, 2004Assignee: The Lubrizol CorporationInventors: Roger L. Sowerby, Craig D. Tipton, James L. Sumiejski
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Publication number: 20020183210Abstract: Continuously variable transmissions are lubricated by supplying to the transmission a composition of an oil of lubricating viscosity and an oil-soluble zinc salt containing at least one hydrocarbyl group of at least 4 carbon atoms. The amount of the zinc salt is sufficient to provide an increased steel-on-steel dynamic coefficient of friction for the composition, being at least 0.125. The composition is substantially free from thiophosphate salts and exhibits a copper corrosion rating of 1B or better (ASTM-130).Type: ApplicationFiled: June 10, 2002Publication date: December 5, 2002Inventors: Roger L. Sowerby, Craig D. Tipton, James L. Sumiejski
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Patent number: 6103673Abstract: A composition comprising of an oil of lubricating viscosity; a shear stable viscosity modifier; at least 0.1 percent by weight of an overbased metal salt; at least 0.1 percent by weight of at least one phosphorus compound; and 0.1 to 0.25 percent by weight of a combination of at least two friction modifiers provides an improved fluid for continuously variable transmissions. At least one of the friction modifiers is selected from the group consisting of zinc salts of fatty acids having at least 10 carbon atoms, hydrocarbyl imidazolines containing at least 12 carbon atoms in the hydrocarbyl group, and borated epoxides. The total amount of the friction modifiers is limited to those amounts which provide a metal-to-metal coefficient of friction of at least about 0.120 as measured at 110.degree. C. by ASTM-G-77.Type: GrantFiled: September 14, 1998Date of Patent: August 15, 2000Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, William C. Ward, Jr.
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Patent number: 5880074Abstract: Additive concentrates comprising from at least one organic diluent selected from the group consisting of naphthenic oils and synthetic oils and from about 95% to about 50% by weight of an ester as defined herein are useful to prepare lubricating oils having good viscosity index and which also have exceptional low temperature characteristics.Type: GrantFiled: January 9, 1997Date of Patent: March 9, 1999Inventors: Dennis M. Dishong, James L. Sumiejski
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Patent number: 5858929Abstract: A composition for use in lubricants and function fluids to provide improved anti-shudder and shudder durability properties to an automatic transmission. The composition comprises alkoxylated fatty amines as well as a mixture of other friction modifiers.Type: GrantFiled: December 21, 1995Date of Patent: January 12, 1999Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, William C. Ward, Mitsuo Higashi, Craig D. Tipton
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Patent number: 5759965Abstract: This invention relates to a composition, comprising: (A) a boron-containing overbased material; (B) a phosphorus acid, ester or derivative thereof; and (C) a borated epoxide or borated fatty acid ester of glycerol. In one embodiment the inventive composition further comprises (D) a thiocarbamate. These compositions are useful in providing lubricants and functional fluids, particularly automatic transmission fluids, with enhanced antiwear properties. In one embodiment these compositions also provide such lubricants and functional fluids with enhanced extreme-pressure and/or friction-modifying.Type: GrantFiled: October 17, 1996Date of Patent: June 2, 1998Assignee: The Lubrizol CorporationInventor: James L. Sumiejski
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Patent number: 5750477Abstract: A shear stable composition for reducing noise in a push belt continuously variable transmission. The composition comprises an oil of lubricating viscosity, an overbased metal salt of an organic acid and a shear stable viscosity index improver.Type: GrantFiled: July 10, 1995Date of Patent: May 12, 1998Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, Roy Fewkes, Craig Daniel Tipton