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).

  • Patent number: 9567547
    Abstract: 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: Grant
    Filed: January 3, 2012
    Date of Patent: February 14, 2017
    Assignee: The Lubrizol Corporation
    Inventors: James L. Sumiejski, William D. Abraham, Richard J. Vickerman
  • Publication number: 20140031268
    Abstract: 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: Application
    Filed: January 3, 2012
    Publication date: January 30, 2014
    Applicant: The Lubrizol Corporation
    Inventors: James L. Sumiejski, William D. Abraham, Richard J. Vickerman
  • Patent number: 8598099
    Abstract: 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: Grant
    Filed: February 6, 2012
    Date of Patent: December 3, 2013
    Assignee: The Lubrizol Corporation
    Inventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
  • Patent number: 8450255
    Abstract: 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: Grant
    Filed: December 13, 2007
    Date of Patent: May 28, 2013
    Assignee: The Lubrizol Corporation
    Inventors: Masahiko Ikeda, Susie Hurley, William D. Abraham, James L. Sumiejski, Craig D. Tipton
  • Publication number: 20120178661
    Abstract: 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: Application
    Filed: March 27, 2012
    Publication date: July 12, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Susie Hurley, James L. Sumiejski
  • Publication number: 20120135898
    Abstract: 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: Application
    Filed: February 6, 2012
    Publication date: May 31, 2012
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
  • Patent number: 8183187
    Abstract: 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: Grant
    Filed: February 8, 2006
    Date of Patent: May 22, 2012
    Assignee: The Lubrizol Corporation
    Inventors: James L. Sumiejski, Craig D. Tipton
  • Publication number: 20100144565
    Abstract: 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: Application
    Filed: December 13, 2007
    Publication date: June 10, 2010
    Inventors: Masahiko Ikeda, Susie Hurley, William D. Abraham, James L. Sumiejski, Craig D. Tipton
  • Publication number: 20100130390
    Abstract: 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: Application
    Filed: March 12, 2008
    Publication date: May 27, 2010
    Applicant: The Lubrizol Corporation
    Inventors: Craig D. Tipton, James L. Sumiejski, Shreyasi Lahiri
  • Publication number: 20100101519
    Abstract: 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: Application
    Filed: January 6, 2010
    Publication date: April 29, 2010
    Applicant: The Lubrizol Corporation
    Inventors: Virginia A. Carrick, Jayram D. Patel, Roy Sambuchino, Mark F. Wilkes, James L. Sumiejski
  • Publication number: 20100099593
    Abstract: 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: Application
    Filed: March 11, 2008
    Publication date: April 22, 2010
    Inventors: Susie Hurley, James L. Sumiejski
  • Publication number: 20090305919
    Abstract: 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: Application
    Filed: July 25, 2007
    Publication date: December 10, 2009
    Applicant: The Lubrizol Corporation
    Inventors: Craig D. Tipton, James L. Sumiejski, William D. Abraham
  • Publication number: 20080248980
    Abstract: 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: Application
    Filed: February 8, 2006
    Publication date: October 9, 2008
    Applicant: The Lubrizol Corporation
    Inventors: James L. Sumiejski, Craig D. Tipton
  • Patent number: 6730640
    Abstract: 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: Grant
    Filed: June 10, 2002
    Date of Patent: May 4, 2004
    Assignee: The Lubrizol Corporation
    Inventors: Roger L. Sowerby, Craig D. Tipton, James L. Sumiejski
  • Publication number: 20020183210
    Abstract: 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: Application
    Filed: June 10, 2002
    Publication date: December 5, 2002
    Inventors: Roger L. Sowerby, Craig D. Tipton, James L. Sumiejski
  • Patent number: 6103673
    Abstract: 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: Grant
    Filed: September 14, 1998
    Date of Patent: August 15, 2000
    Assignee: The Lubrizol Corporation
    Inventors: James L. Sumiejski, William C. Ward, Jr.
  • Patent number: 5880074
    Abstract: 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: Grant
    Filed: January 9, 1997
    Date of Patent: March 9, 1999
    Inventors: Dennis M. Dishong, James L. Sumiejski
  • Patent number: 5858929
    Abstract: 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: Grant
    Filed: December 21, 1995
    Date of Patent: January 12, 1999
    Assignee: The Lubrizol Corporation
    Inventors: James L. Sumiejski, William C. Ward, Mitsuo Higashi, Craig D. Tipton
  • Patent number: 5759965
    Abstract: 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: Grant
    Filed: October 17, 1996
    Date of Patent: June 2, 1998
    Assignee: The Lubrizol Corporation
    Inventor: James L. Sumiejski
  • Patent number: 5750477
    Abstract: 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: Grant
    Filed: July 10, 1995
    Date of Patent: May 12, 1998
    Assignee: The Lubrizol Corporation
    Inventors: James L. Sumiejski, Roy Fewkes, Craig Daniel Tipton