Patents by Inventor JoRuetta R. Ellington

JoRuetta R. Ellington 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).

  • Additives and lubricant formulations for improved antioxidant properties
    Patent number: 7897552
    Abstract: A lubricating oil composition, additive concentrate, method of lubricating moving parts, a method of improving the oxidation stability of a lubricant formulation. The lubricating oil composition includes a base oil, a hydrocarbon soluble molybdenum compound, and an antioxidant effective amount of one or more polymeric compounds devoid of ester linkages. The polymeric compound may be represented by of the formula: wherein R and R1 are independently selected from C1 to C12 hydrocarbyl groups, n is an integer ranging from about 0 to about 10; and A is a hydrocarbyl group having from about 1 to about 30 carbon atoms.
    Type: Grant
    Filed: November 30, 2007
    Date of Patent: March 1, 2011
    Assignee: Afton Chemical Corporation
    Inventors: JoRuetta R. Ellington, John T. Loper, Naresh C. Mathur
  • ADDITIVES AND LUBRICANT FORMULATIONS FOR IMPROVED ANTIOXIDANT PROPERTIES
    Publication number: 20090143265
    Abstract: A lubricating oil composition, additive concentrate, method of lubricating moving parts, a method of improving the oxidation stability of a lubricant formulation. The lubricating oil composition includes a base oil, a hydrocarbon soluble molybdenum compound, and an antioxidant effective amount of one or more polymeric compounds devoid of ester linkages. The polymeric compound may be represented by of the formula: wherein R and R1 are independently selected from C1 to C12 hydrocarbyl groups, n is an integer ranging from about 0 to about 10; and A is a hydrocarbyl group having from about 1 to about 30 carbon atoms.
    Type: Application
    Filed: November 30, 2007
    Publication date: June 4, 2009
    Inventors: JoRuetta R. Ellington, John T. Loper, Naresh C. Mathur