Patents by Inventor Kathryn M. Pilgrem

Kathryn M. Pilgrem 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).

  • Grease composition
    Patent number: 5385682
    Abstract: A flame retardant grease composition comprising a lubricating base oil, a thickener selected from a simple or complex soap of lithium, calcium or sodium, and a flame retardant additive selected from an oxide, hydroxide, carbonate, bicarbonate, hydrogen carbonate or sulphate of an alkali metal or alkaline earth metal, for example calcium oxide, potassium carbonate, potassium hydrogen carbonate or potassium sulphate, or a mixture of two or more thereof.
    Type: Grant
    Filed: December 24, 1992
    Date of Patent: January 31, 1995
    Assignee: Exxon Research & Engineering Co.
    Inventors: Timothy Hutchings, Kathryn M. Pilgrem