Patents by Inventor Charles B. Milne

Charles B. Milne 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).

  • Storage-stable grease compositions
    Patent number: 3954638
    Abstract: Grease compositions comprising a mineral lubricating oil thickened to grease consistency having incorporated therein minor amounts of a crude solid N--C.sub.7-8 hydrocarbyl substituted phenothiazine inhibitor have improved storage stability concomitant with desirable high temperature lubricating properties.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: May 4, 1976
    Assignee: Shell Oil Company
    Inventors: John A. Jones, Alexander C. B. MacPhail, Charles B. Milne, Kenneth M. Riches