Patents by Inventor Thomas S. Derevjanik

Thomas S. Derevjanik 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).

  • Lubricant additive booster system
    Patent number: 9909082
    Abstract: The disclosed technology relates to additive packages for lubricating compositions in diesel and gasoline powered vehicles. In particular, the disclosed technology provides an additive package that can be added to a lubricating composition with oil of lubricating viscosity to improve at least one of (A) piston deposit, (B) piston cleanliness, (C) soot induced viscosity thickening, and (D) oxidation induced viscosity thickening.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: March 6, 2018
    Assignee: The Lubrizol Corporation
    Inventors: Craig J. Jones, Thomas S. Derevjanik, Jack C. Kelley, Mark C. Davies
  • Lubricating compositions containing a carboxylic functionalised polymer and dispersant
    Patent number: 9644167
    Abstract: The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalized additive, wherein the amine-functionalized additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricating composition in an internal combustion engine.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 9, 2017
    Assignee: The Lubrizol Corporation
    Inventors: Matthew D. Gieselman, John K. Pudelski, Mary Galic Raguz, Thomas S. Derevjanik
  • LUBRICATING COMPOSITIONS CONTAINING A CARBOXYLIC FUNCTIONALISED POLYMER AND DISPERSANT
    Publication number: 20160075966
    Abstract: The invention provides an oil of lubricating viscosity, a dispersant and an amine-functionalised additive, wherein the amine-functionalised additive is derived from an amine having at least 3 or 4 aromatic groups. The invention further relates to the use of the lubricating composition in an internal combustion engine.
    Type: Application
    Filed: November 25, 2015
    Publication date: March 17, 2016
    Inventors: Matthew D. Gieselman, John K. Pudelski, Mary Galic Raguz, Thomas S. Derevjanik
  • LUBRICANT ADDITIVE BOOSTER SYSTEM
    Publication number: 20150005210
    Abstract: The disclosed technology relates to additive packages for lubricating compositions in diesel and gasoline powered vehicles. In particular, the disclosed technology provides an additive package that can be added to a lubricating composition with oil of lubricating viscosity to improve at least one of (A) piston deposit, (B) piston cleanliness, (C) soot induced viscosity thickening, and (D) oxidation induced viscosity thickening.
    Type: Application
    Filed: February 12, 2013
    Publication date: January 1, 2015
    Inventors: Craig J. Jones, Thomas S. Derevjanik, Jack C. Kelley, Mark C. Davies